US Pat. No. 9,303,591

PROPULSION SYSTEM AND ROCKET HAVING THE SAME

AGENCY FOR DEFENSE DEVELO...

1. A propulsion system, comprising:
a combustion tube having a propellant therein;
a nozzle installed at a rear end of the combustion tube, and configured to discharge combustion gas generated when the propellant
is ignited; and

a nozzle separation unit coupled to the combustion tube and the nozzle, respectively, and configured to mount the nozzle to
the combustion tube, and configured to separate the nozzle from the combustion tube as at least part thereof melts when reaching
a preset temperature,

wherein the nozzle separation unit comprises:
at least one fixing member coupled to the combustion tube and configured to melt when reaching the preset temperature;
at least one snap ring coupled to the fixing member and configured to fix the nozzle by being inserted into a mounting groove
formed at a rear end of the combustion tube; and

an elastic member connected to the nozzle and the snap ring in a tensioned state and being configured to separate the snap
ring from the mounting groove when the fixing member melts,

wherein a mounting groove is formed at a rear end of the combustion tube, the mounting groove being stepped towards the combustion
tube to mount the end of the nozzle, and

wherein the snap ring is formed to support, in a covering manner, an end of the nozzle mounted in the mounting groove.

US Pat. No. 9,185,365

APPARATUS AND METHOD FOR CONTROLLING SENSOR NODE USING VIBRATION SENSOR AND MAGNETIC SENSOR

ELECTRONICS AND TELECOMMU...

1. An apparatus for controlling a sensor node, the apparatus comprising:
a calculator to calculate an azimuth angle and a slope of the sensor node, based on magnetic values measured by a 2-axis magnetic
sensor and vibration values measured by a 3-axis acceleration sensor, at least one of a direction and an angle of the sensor
node being controlled based on the calculated azimuth angle and the slope;

a sensor controller to control selective filtering of the magnetic values and the vibration values and selective amplification
of the filtered magnetic values and the filtered vibration values, when the azimuth angle and the slope are calculated;

a first offset switch which receives at least one of the magnetic values measured by the 2-axis magnetic sensor and the vibration
values measured by the-axis acceleration sensor, from the 2-axis magnetic sensor and the 3-axis acceleration sensor, respectively;

a second offset switch which outputs, according to a first connection, at least one of magnetic values and vibration values
received by the first offset switch to the calculator, or, according to a second connection, outputs at least one of filtered
and amplified magnetic values and filtered and amplified vibration values to a detector; and

the detector to detect a target relative to the sensor node based on filtered and amplified magnetic values and filtered and
amplified vibration values which are output by the second offset switch,

wherein the sensor controller determines whether or not to have the magnetic values and the vibration values received by the
first offset switch to be filtered and amplified, and based on the determination selectively controls the first and second
offset switches to be connected according to one of the first connection and the second connection,

wherein in the first connection the first and second offset switches are directly connected to one another such that at least
one of the magnetic values and the vibration values measured by the 2-axis magnetic sensor and 3-axis acceleration sensor,
respectively, pass through the first offset switch directly to the second offset switch, and

in the second connection the first and second offset switches are indirectly connected to one another, such that at least
one of the magnetic values and the vibration values measured by the 2-axis magnetic sensor and 3-axis acceleration sensor,
respectively, pass through the first offset switch to a filter-amplifier and the second offset switch outputs at least one
of filtered and amplified magnetic values and filtered and amplified vibration values to the detector.

US Pat. No. 9,581,683

DELAY DEVICE FOR CHECKING FREQUENCY MODULATED CONTINUOUS WAVE (FMCW) RADAR

AGENCY FOR DEFENSE DEVELO...

1. A delay device for checking a frequency modulated continuous wave (FMCW) radar, comprising:
an input/output unit that is configured to input or output control setting values;
a controller that is configured to output control signals corresponding to the control setting values input by an operator
through the input/output unit;

wherein the control setting values include a time delay value corresponding to the distance of the target, a Doppler frequency
corresponding to a relative velocity with the target, and a variable attenuation value corresponding to a magnitude of a signal
of the target; and

a transceiver that is configured to delay an FMCW radar signal by the time delay value through a programmable single chip
delay line according to the control signal of the controller, and transmit the time-delayed FMCW radar signal to a FMCW radar,

wherein the transceiver is further configured to shift a frequency of the time-delayed FMCW radar signal by the Doppler frequency,
and attenuate the frequency-shifted FMCW radar signal by the variable attenuation value,

wherein the time delay value, the Doppler frequency value and the attenuation value are variable in response to an input of
an operator.

US Pat. No. 9,079,561

APPARATUS FOR CONTROLLING SMART AIRBAG SYSTEM USING DUAL CHAMBER STRUCTURE

AGENCY FOR DEFENSE DEVELO...

1. An apparatus for controlling a smart airbag system using a dual chamber structure, the apparatus comprising:
a gas generator which ejects hot gas when a crash occurs;
a gas chamber which is supplied with the hot gas ejected from the gas generator and transfers the supplied gas into an airbag;
a fluid chamber which cools the hot gas by spraying stored fluid before the hot gas is introduced into the airbag;
a piston which is installed in the chamber and compresses the fluid using the hot gas;
a safety bursting disk which is burst by being pressed by the piston so that the fluid is sprayed and the hot gas is cooled;
a gas hole size adjusting unit which changes a size of a gas hole which is a factor to determine an amount of the cooled gas
injected into the airbag; and

a controller which controls operation of the gas generator or the gas hole size adjusting unit according to an inflation force
for the airbag, which is calculated using occupant information generated by a sensor.

US Pat. No. 9,787,548

FAST SERVICE DISCOVERY METHOD AND APPARATUS IN DYNAMIC RESOURCE ENVIRONMENT USING HIERARCHICAL BLOOM FILTERS

AGENCY FOR DEFENSE DEVELO...

1. A fast service discovery method in a dynamic resource environment using hierarchical Bloom filters, comprising:
(a) when resources are discovered, hierarchically classifying the resources based on multiple levels;
(b) designing multiple hierarchical Bloom filters for respective pieces of level information to respectively correspond to
the multiple levels, and transforming the resources into a resource coordinate system via the Bloom filters; and

(c) identifying an available service using the resource coordinate system,
wherein (b) comprises:
receiving, by each of the multiple hierarchical Bloom filters, a sentence as input; and
transforming the sentence into the resource coordinate system by hashing the sentence using different hash functions of the
corresponding hierarchical Bloom filter, and

wherein the hashing is configured to transform the resources into coordinate values in the resource coordinate system using
the following equation:

Resource Capability A,VA=(p1,p2,p3, . . . ,pk)

Bloom Filter of level l,BFl(A)=(il,1,il,2,il,3, . . . ,il,k)


(where A: resource, BFl: a hierarchical Bloom filter corresponding to resource level l, Dl: a number of digits of a maximum value of hash values of the hierarchical Bloom filter corresponding to resource level l,
L: a lowermost level (number) of the resource levels, and digit of BFj(A)).

US Pat. No. 9,310,458

METHOD FOR CALCULATING SPACING RATIO OF INTERFEROMETER ARRAY ANTENNA FOR DIRECTION FINDER

AGENCY FOR DEFENSE DEVELO...

1. A method for calculating a spacing between antenna elements of an interferometer array antenna, the method comprising:
setting an azimuth of an instantaneous field of view (IFOV) and a distance between phase differences with respect to signals
received via the array antenna, and obtaining the number of phase difference lines and phase difference vectors with respect
to the phase differences of the signals output in a phase comparator of a direction finder;

performing a modular arithmetic for the phase difference vectors to obtain phase difference matrixes;
obtaining a transformation matrix for linearly transforming the phase difference matrixes and performing the linear transformation
using the transformation matrix;

calculating a distance between the phase differences on a new axis generated by the linear transformation; and
calculating an antenna spacing as an array spacing of the array antenna, the antenna spacing meeting that the distance between
the phase differences is greater than a desired distance between phase differences.

US Pat. No. 9,170,327

APPARATUS AND METHOD FOR PROVIDING OBSTACLE INFORMATION IN AUTONOMOUS MOBILE VEHICLE

AGENCY FOR DEFENSE DEVELO...

1. An apparatus for providing obstacle information in an autonomous mobile vehicle, the apparatus comprising:
a laser distance sensor disposed in a center of a front of the autonomous mobile vehicle and configured to detect a target
object placed ahead of the autonomous mobile vehicle;

a sensor driving device configured to drive an elevation angle of the laser distance sensor;
a controller configured to control the sensor driving device;a plurality of radars disposed on a lower front side of the autonomous mobile vehicle and configured to detect the target
object ahead of the autonomous mobile vehicle; andan operation unit disposed within the autonomous mobile vehicle and configured to perform specific data processing,
wherein the operation unit comprises:
a sensor control unit configured to control the laser distance sensor through the controller;
a command generation unit configured to generate a series of commands according to operating environments of the autonomous
mobile vehicle;

a laser distance sensor data acquisition unit connected to the laser distance sensor and configured to receive distance data
for each angle therefrom;

a laser distance sensor data conversion unit configured to convert the distance data for each angle, received from the laser
distance sensor, into virtual distance sensor data having a range of 360°;

a radar data acquisition unit connected to the plurality of radars and configured to receive distance data for each angle;
a radar data conversion unit configured to convert the distance data for each angle, received from the radars, into virtual
distance sensor data having the range of 360°;

a data combination and generation unit configured to determine whether the target object exists by comparing the converted
distance data for each of all the angles, received from the laser distance sensor, and the converted distance data for each
of all the angles, received from the radars, if, as a result of the determination, the target object is determined to exist,
storing the converted distance data for the angles, received from the radars, and if, as a result of the determination, the
target object is determined not to exist, storing the converted virtual distance sensor data and generates distance data for
each of the angles; and

a transmission unit configured to send the generated distance data for the angles to a collision avoidance unit of the autonomous
mobile vehicle; and

wherein the laser distance sensor data acquisition unit compares the distance data for each of angles between 0° and 100°,
received from the laser distance sensor, calculates an inclination of the target object based on results of the comparison,
if the inclination for each angle is smaller than a specific reference value, stores a greatest value from among the distance
data for the angle as a distance value of the corresponding angle, and if the inclination for each angle is greater than the
specific reference value, stores a smallest value from among the distance data for each angle as a distance value of the corresponding
angle.

US Pat. No. 9,354,305

METHOD FOR PRODUCING AT LEAST INFORMATION FOR TRACK FUSION AND ASSOCIATION FOR RADAR TARGET TRACKING, AND STORAGE MEDIUM THEREOF

AGENCY FOR DEFENSE DEVELO...

1. A method for producing information for track association and fusion, comprising:
collecting, by a receiving system, measurement values of targets for each sensing period from a plurality of transmitters;
tracking, by the receiving system, the targets through a target tracking algorithm for predicting and reforming state variables
for the targets and error covariances for the state variables using the collected measurement values;

transmitting, by the receiving system, track information including only data of the error covariance largest occupied among
the error covariances to a server of a fusion center;

calculating, by the server of the fusion center, similarity between pre-stored fused track and the transmitted track information;
sorting, by the server of the fusion center, the track information by using the calculated similarity; and
carrying out, by the server of the fusion center, the track fusion based on the sorted track information.

US Pat. No. 9,368,874

LOG-PERIODIC DIPOLE ARRAY ANTENNA AND SMART SKIN HAVING THE SAME

AGENCY FOR DEFENSE DEVELO...

1. A log-periodic dipole array antenna comprising:
a dielectric substrate;
a radiating element having a plurality of lines extending from a center to an outer side and symmetrically arranged on the
dielectric substrate based on the center, so as to resonate in a first frequency band and a second frequency band, the plurality
of lines being connected at the center or the outer side of the radiating element in an alternating manner, the lines becoming
longer going from up to down of the radiating element fed according to a predetermined log-periodic ratio; and

a band stopper selectively formed on either an upper side or lower side of one point for connecting the lines to each other
to reduce an antenna gain in a first adjacent frequency band or a second adjacent frequency band,

wherein the first frequency band is higher than the second frequency band, and wherein the first adjacent frequency is adjacent
to the first frequency band and the second adjacent frequency is adjacent to the second frequency band.

US Pat. No. 9,322,627

MUNITIONS SAFETY AND ARMING DEVICE FOR ARTILLERY AMMUNITION, AND ARTILLERY AMMUNITION HAVING THE SAME

AGENCY FOR DEFENSE DEVELO...

7. An artillery ammunition comprising:
an artillery ammunition body fired by propellant powder;
a body installed in the artillery ammunition body, a first movement path with a support bar that is bent when the artillery
ammunition body is fired and a second movement path communicating with the first movement path;

a mass body supported by the support bar before the artillery ammunition body is fired, wherein the mass body is housed in
the first movement path as the support bar is bent when the artillery ammunition is fired, wherein the mass body moves from
a first end of the first movement path to a second end of the first movement path upon exertion of a centrifugal force based
on rotation of the artillery ammunition body; and

a slide member movably installed in the second movement path, wherein the slide member is temporarily supported in the body
by a stopping protrusion, wherein the slide member is slidably moveable by a predetermined distance when pressed by the mass
body, wherein the slide member comprising a vertical bar protruding into the first movement path,

wherein the body comprises:
a guide frame having a movement hole and the second movement path, the movement hole forming a portion of the first movement
path;

a cover disposed on one side of the guide frame and having a cover side movement path forming another portion of the first
movement path; and

a base disposed on the other side of the guide frame and having a base side movement path forming said another portion of
the first movement path; and

a movement delay unit configured to delay a time for the mass body to move by reducing the centrifugal force exerted on the
mass body,

wherein the movement delay unit comprises:
a deceleration portion having a thickness increased from the first end of the first movement path to the second end of the
first movement path to reduce a movement speed of the mass body in the first movement path; and

a constant speed portion coupled to the deceleration portion, and protruded into the first movement path such that a distance
from a side wall of the first movement path to a surface of the constant speed portion is increased to maintain the movement
speed of the mass body decelerated by the deceleration portion,

wherein the movement hole, the cover side movement path and the base side movement path overlap one another by coupling the
guide frame, the cover and the base, to form the first movement path through which the mass body is movable, and

wherein the movement delay unit is disposed in one of the guide frame, the cover side movement path, and the base side movement
path.

US Pat. No. 9,482,689

ACCELEROMETER

AGENCY FOR DEFENSE DEVELO...

1. An accelerometer, comprising
a main body;
a channel positioned in the main body to form a predetermined movement space, the movement space having a planarly rectangular
shape;

a conductive droplet positioned in the movement space to be moved within the movement space according to an inertial force;
a conduction section positioned to correspond to the movement space and brought into contact with the conductive droplet;
and

a resistance measurement section connected to the conduction section to measure an electrical resistance of the conduction
section

wherein the conduction section comprises:
a first sub-conduction section extended from a first vertex of the rectangular shaped movement space to a central area of
the movement space and

a second sub-conduction section extended from a second vertex of the rectangular shaped movement space facing the first vertex
to the central area of the movement space, the second sub-conduction section separated from the first sub-conduction section,
wherein each of the first sub-conduction section and the second sub-conduction section of the conduction section becomes smaller
in area as being positioned from each of the first vertex and the second vertex of the movement space to the central area
of the movement space

wherein the conductive droplet is positioned in a central area of the movement space when there is no force applied to the
main body such that the electrical path length of each of the first sub-conduction section and second sub-conduction section
is the same,

wherein the conductive droplet is moved to one of the first sub-conductive section and second sub-conductive section when
there is a force applied to the main body such that the electrical path length of each of the first sub-conduction section
and second sub-conduction section is not the same and

wherein the resistance measurement section produces an acceleration applied to the main body using an electrical resistance
value change of each of the first sub-conduction section and second sub-conduction section because of the electrical path
length change of the first sub-conduction section and second sub-conduction section.

US Pat. No. 9,470,548

DEVICE, SYSTEM AND METHOD FOR CALIBRATION OF CAMERA AND LASER SENSOR

AGENCY FOR DEFENSE DEVELO...

1. A calibration device, comprising:
a camera configured to capture image information;
a laser sensor configured to detect distance information; and
a calibration module configured to perform a calibration of the camera and the laser sensor by obtaining a relation between
the image information and the distance information,

wherein the calibration module comprises:
a plane member disposed to intersect a scanning surface of the laser sensor such that an intersection line is generated, and
disposed within a capturing range by the camera so as to be captured by the camera, and a controller configured to perform
coordinate conversions with respect to the image information and the distance information based on a ratio between one side
of the plane member and the intersection line, and based on a plane member image included in the image information.

US Pat. No. 9,253,933

ELECTRIC PROPULSION SYSTEM OF ELECTRIC VEHICLE

Agency for Defense Develo...

1. An electric propulsion system of an electric vehicle comprising:
a housing having an inside partitioned into a plurality of spaces;
power conversion devices disposed in the partitioned spaces of the housing, respectively;
a connection bar formed on one surface of the housing to electrically interconnect the power conversion devices and a battery;
and

adapters configured to connect the connection bar to the power conversion devices,
wherein each of the adaptors comprises an inner side and an outer side,
wherein the inner side of the adaptor is provided with conductor members formed to be electrically connected to electrodes
of the power conversion devices when the electrodes are inserted therein,

wherein the outer side of the adaptor is provided with shielding members covering the conductor members for shielding noise
generated from the power conversion devices,

wherein each of the power conversion devices comprises a high-voltage circuit unit and a low-voltage circuit unit, and
wherein the high-voltage circuit unit and the low-voltage circuit unit are formed to be covered with shielding cases, respectively,
and spaced from each other within each space.

US Pat. No. 9,472,849

WIDEBAND RECTENNA AND RECTIFYING APPARATUS FOR RECTENNA

AGENCY FOR DEFENSE DEVELO...

1. A rectifying apparatus comprising:
a harmonic rejecting filter having coupled microstrip lines and a first radial stub connected to one of the coupled microstrip
lines at a first point, wherein the harmonic rejecting filter is configured to prevent re-radiation of radio frequency (RF)
harmonics;

a matching circuit located at an output of the harmonic rejecting filter and configured to perform impedance matching between
an antenna and a rectifying diode, the matching circuit having a second radial stub connected to said one of the coupled microstrip
lines at a second point;

the rectifying diode located at an output of the said one of the coupled microstrip lines;
a direct current (DC)-pass filter having a third radial stub and configured to attenuate RF output by the rectifying diode
to transfer DC power; and

a DC return filter having a fourth radial stub and configured to lower a ripple voltage from a signal output by the DC-pass
filter so as to supply the DC power stably to a load

wherein the fourth radial stub is connected to said one of the coupled microstrip lines at a location between the first point
and the second point.

US Pat. No. 9,136,543

BATTERY SYSTEM HAVING BATTERY MODULE, THERMAL SWITCH, HEATING SOURCE AND PIN STRUCTURE

GS Energy Corporation, S...

1. A battery system, comprising:
a connection terminal configured to function as one electrode of the battery system;
a battery case made of a conductive material, forming an internal space, and configured to function as an other electrode
of the battery system;

a battery module located in the battery case and electrically connected to the connection terminal;
a heating element structure located in the battery case and generating heat by an external impact;
a pin structure for concentrating and transferring the external impact to a predetermined region of the heating element structure,
wherein the external impact is applied to the battery case and then transferred to the pin structure; and

a thermal switch preventing the battery module from being electrically connected to the battery case, thereby enabling the
battery system to be reserved, wherein the thermal switch is melted by the heat generated by the heating element structure,
to electrically connect the battery module and the battery case, which causes the battery case to function as the other electrode
of the battery system.

US Pat. No. 9,115,617

HYDROGEN COMBUSTION SYSTEM WITH CLOSED-CYCLE RECYCLING OF EXHAUST GAS AND METHOD THEREOF

AGENCY FOR DEFENSE DEVELO...

1. A hydrogen combustion system with closed-cycle recycling of exhaust gas, comprising:
a hydrogen supplier which supplies hydrogen used as a fuel,
a combustion chamber which is located in an external combustion engine and connected to a hydrogen supplying pipe of the hydrogen
supplier in which the hydrogen supplied from the hydrogen supplier is combusted,

a condenser which converts hot exhaust gas emitted through a discharge pipe installed on an outlet of the combustion chamber
into cold exhaust gas and condensed water,

a secondary coolant flow control valve installed for controlling a rate of water condensation in the condenser, and
a recycling pipe which is connected between the condenser and an inlet of the combustion chamber and performs recycling of
a part of the cold exhaust gas from the condenser to the inlet of the combustion chamber,

wherein a blower is installed at a passage of the recycling pipe for driving and controlling a flow of cold intake gas, which
is a mixture gas of oxygen, dilution gas and water vapor, into the combustion chamber.

US Pat. No. 9,696,410

JAMMING SUPPRESSION APPARATUS AND METHOD OF ALTITUDE MEASURING SENSOR

AGENCY FOR DEFENSE DEVELO...

3. A jamming suppression apparatus of an altitude measuring sensor, the jamming suppression apparatus comprising:
a signal unit configured to transmit a radio frequency (RF) signal to the outside or receive an RF signal from the outside;
and

a processing unit configured to determine whether jamming has occurred on the basis of a noise signal received from the signal
unit, and suppress jamming by performing at least one of a plurality of jamming suppression algorithms sequentially or simultaneously
on the basis of a current altitude when jamming has occurred according to the determination result, and

wherein the processing unit detects a specific altitude section to which the current altitude belongs from a plurality of
preset altitude sections, and performs at least one jamming suppression algorithm matched to the specific altitude section.

US Pat. No. 9,297,417

METHOD OF MANUFACTURING COMPOSITE MATERIAL BEARING COMPONENT

AGENCY FOR DEFENSE DEVELO...

1. A method of manufacturing a composite material bearing, comprising:
forming a fabric combination by combining a PTFE-based film, a quartz-based fabric and a glass-based fabric;
cutting the fabric combination;
treating a fusion surface of a bearing structure;
stacking the fabric combination onto the treated fusion surface of the bearing structure, thus forming a composite material
bearing assembly;

coupling the composite material bearing assembly with a jig;
mounting the composite material bearing assembly with the jig into a chamber;
insulating the chamber; and
sintering the composite material bearing assembly mounted in the chamber by heating and pressing.

US Pat. No. 9,151,836

DETECTION AND TRACKING RADAR, ANTI HIGH SPEED MOBILE DEFENSE SYSTEM HAVING THE SAME AND HIGH SPEED MOBILE TRACKING METHOD OF DETECTION AND TRACKING RADAR

AGENCY FOR DEFENSE DEVELO...

1. A detection and tracking radar comprising:
a hazardous zone set within a preset radius based on a main body having a radar;
a plurality of detection and tracking sectors configured to detect a high speed mobile approaching the main body within detection
areas, the detection areas being defined by diving the hazardous zone based on an azimuth angle; and

a controller configured to recognize the high speed mobile as a target based upon signals received from the detection and
tracking sectors and track the target,

wherein each of the detection and tracking sectors comprises:
a transmit antenna unit and a transmitting unit configured to radiate a Continuous Wave (CW) or Linear Frequency Modulation
(LFM) type waveform signal; and

a receive antenna unit and a receiving unit configured to receive the waveform signal reflected from the high speed mobile,
wherein the transmit antenna unit, the receive antenna unit, the transmitting unit and the receiving unit are integrally formed
for each detection and tracking sector,

wherein the controller comprises:
a window module configured to generate burst data by multiplying a signal received from each detection and tracking sector
by a preset window function;

a frequency conversion module configured to perform a Fast Fourier Transformation (FFT) with respect to the burst data;
a Constant False Alarm Rate (CFAR) module configured to detect a signal exceeding a preset threshold value, of signals input
from the frequency conversion module, the threshold value set to have a specific false alarm rate;

a detection module configured to recognize the signal input from the CFAR module as a target high speed mobile when the signal
input from the CFAR module meets a preset condition; and

a coordinate conversion module, wherein when the target high speed mobile moves from a first detection and tracking sector,
in which the target high speed mobile has been recognized, into a second detection and tracking sector, the coordinate conversion
module is configured to convert a polar coordinate system of the second detection and tracking sector into a polar coordinate
system of the first detection and tracking sector and subsequently convert the polar coordinate system of the first detection
and tracking sector into an orthogonal coordinate system of the detection and tracking radar, for continuity of the movement
information relating to the high speed mobile.

US Pat. No. 9,541,361

SHELL

AGENCY FOR DEFENSE DEVELO...

1. A shell comprising:
a shell body;
a steering wing that includes a drive shaft and that is rotatably mounted on an external surface of the shell body;
an auxiliary wing that includes a shaft connection portion which is connected to the drive shaft in such a manner that the
auxiliary wing is able to move in the lengthwise direction of the drive shaft within the drive shaft, and that is installed
in such a manner that the auxiliary wing is able to be inserted into and be spread outward from within the steering wing;

an auxiliary-wing holding unit that includes a holding protrusion which is fixedly arranged in a direction of intersecting
the shaft connection portion in such a manner that the holding protrusion is engaged with or disengaged with the shaft connection
portion depending on an angle at which the drive shaft rotates, and that selectively holds the auxiliary wing in place; and

an auxiliary-wing spreading unit that is installed within the drive shaft, and that provides driving force for spreading the
auxiliary wing outward from within the steering wing when the holding protrusion is disengaged with the shaft connection portion.

US Pat. No. 9,469,573

METHOD OF MANUFACTURING SALT-COATED HEAT PAPER AND SALT-COATED HEAT PAPER MANUFACTURED THEREBY

AGENCY FOR DEFENSE DEVELO...

1. A method of manufacturing a salt-coated heat paper, comprising:
preparing a powder mixture by, mixing a fuel powder with an oxidant powder;
preparing a slurry by adding an organic coagulant, after mixing the powder mixture with glass fibers;
obtaining a heat paper by a papermaking process utilizing the slurry;
primarily drying the heat paper by pressing;
coating the heat paper with a salt solution; and
secondarily drying the heat paper, after coating the heat paper with the salt solution,
wherein coating the heat paper with the salt solution enables a combustion temperature of the heat paper to be controlled
depending on a number of salt coating processes,

wherein coating the heat paper with the salt solution enables a heating value of the heat paper to be controlled depending
on a number of salt coating processes, and

wherein as the number of salt coating processes increases, the combustion temperature is gradually lowered, and physical properties
of the salt-coated heat paper are enhanced.

US Pat. No. 9,227,710

CYLINDRICAL UNDERWATER VEHICLE WITH VERTICAL END PLATE ATTACHED TO PARTIALLY MOVABLE RUDDER

AGENCY FOR DEFENSE DEVELO...

1. A cylindrical underwater vehicle with at least one vertical end plate attached to a partially movable rudder, including
a fixed plate formed to radially extend, and a movable plate, a front end of which is rotatably mounted to the rear of the
fixed plate, the at least one vertical end plate further comprising:
a first vertical end plate which is formed to have a uniform width in a longitudinal direction of the underwater vehicle at
an upper end portion of the movable plate and is mounted perpendicular to the movable plate,

wherein the first vertical end plate has an arc-shaped upper side in section.

US Pat. No. 9,177,704

POTENTIOMETER

AGENCY FOR DEFENSE DEVELO...

1. A potentiometer, comprising:
a base substrate;
a resistor formed on the base substrate, and connected to electrodes so as to form a resistance;
a passivation layer configured to cover at least part of the resistor, and having through holes formed to be spaced from each
other along the resistor such that the resistor is partially exposed to the outside at intervals;

contact members disposed in the through holes, respectively, and electrically connected to the resistor; and
a conductive brush formed to be movable with an object to be sensed and disposed to contact the contact members, so as to
generate an electrical signal for calculating a position of the object to be sensed.

US Pat. No. 9,769,282

MOBILE TERMINAL FOR PERFORMING WEIGHT BASED FUNCTION WITH MILITARY PURPOSE AND CONTROL METHOD THEREOF

AGENCY FOR DEFENSE DEVELO...

1. A mobile terminal for performing a weight-based function with military purposes, the terminal comprising:
an interface unit configured to receive; a control policy controlling intent, and information deciding a weight for the intent;
and

a controller configured to determine whether or not a use authority for the intent is provided, decide a weight based on the
control policy and the information when the use authority is not provided, and execute one of a log generation, an immediate
notification and a terminal lock by comparing the decided weight with a preset boundary value,

wherein the weight includes a user weight, an application function weight, data importance weight and an intent importance
weight that are decided on the basis of the user, a function of a system that a plurality of applications use, importance
of data that the applications access, and importance of the intent, respectively,

wherein the user weight includes the user's military class and duty,
wherein the controller executes one of the log generation, the immediate notification and the terminal lock on the basis of
the user weight, the application function weight, the data importance weight and the intent importance weight when the use
authority is not provided, and

wherein the application function weight includes a first application function weight with respect to a function of a first
application, and a second application function weight with respect to a function of a second application different from the
first application, and

wherein the first application function weight and the second application function weight are updated through an update process
to generate an updated first application function weight and an updated second application function weight, wherein the updated
first application function weight and the updated second application function weight are used by the controller to execute
one of the log generation, the immediate notification and the terminal lock on the basis of the user weight in an upcoming
operation of the terminal for performing a weight-based function.

US Pat. No. 9,625,226

MUNITIONS CARRIER AND METHOD OF OPERATING THE SAME

AGENCY FOR DEFENSE DEVELO...

1. A munitions carrier comprising:
a munitions loading table having a loading section loaded with the munitions and a roller assembly for moving the munitions;
and

a munitions transfer unit attached to one side of the munitions loading table so as to be adjacent to the roller assembly,
in order to transfer the munitions to a charge section provided in an artillery gun, wherein the munitions transfer unit comprises:

a fixed arm attached to one side of the munitions loading table so as to protrude therefrom;
a movable bar that is perpendicular to the fixed arm and is movably mounted to the fixed arm;
a rotary link coupled to one side of the movable bar by a hinge so as to be parallel with the fixed arm; and
a munitions tray that is parallel with the fixed arm and is coupled to the rotary link by a hinge so as to be erected on the
roller assembly.

US Pat. No. 9,573,894

ENERGETIC N-SUBSTITUTED 3, 3-DINITROAZETIDINE PLASTICIZER AND PREPARATION METHOD THEREOF

AGENCY FOR DEFENSE DEVELO...

1. N-substituted 3,3-dinitroazetidine, represented by the following Chemical Formula I:

wherein R1 and R2 are each independently an alkyl of C1˜C10, a substituted alkyl of C1˜C10, an aryl of C6˜C12, or a substituted aryl of C6˜C12
wherein the substituent of the substituted radicals is selected from the group consisting of an alkyl of C1˜C4, a cycloalkyl
of C4˜C12, an aryl of C6˜C12, and a combination thereof.

US Pat. No. 9,502,763

STABILIZATION SYSTEM FOR SATELLITE TRACKING ANTENNA USING GYRO AND KALMAN FILTER AND STABILIZATION CONTROL METHOD FOR SATELLITE TRACKING ANTENNA

AGENCY FOR DEFENSE DEVELO...

5. A stabilization system for a satellite tracking antenna, the system comprising:
a satellite tracking antenna;
a gyro module that is configured to sense a gyro signal for calculating an angular velocity for a satellite directed by the
satellite tracking antenna, the gyro module being connected to a rear end of a reflector of the satellite tracking antenna;

a Kalman filter unit that is configured to calculate a prediction of an original monopulse signal, corresponding to a state
prior to distortion of a monopulse signal output from the satellite tracking antenna, by using the monopulse signal and the
sensed gyro signal as input signals; and

a controller that is configured to carry out a stabilization control for the satellite tracking antenna by receiving the prediction
of the original monopulse signal as a pointing-error-correcting value.

US Pat. No. 9,150,111

ENGINE-GENERATOR CONTROL METHOD AND SERIES HYBRID ELECTRIC COMBAT MANEUVERING SYSTEM USING THE SAME

AGENCY FOR DEFENSE DEVELO...

1. An engine-generator control method for controlling an engine-generator to supply power to a series hybrid electric combat
maneuvering system having a battery and a drive motor, comprising:
(a) detecting an acceleration pedal displacement signal and a brake pedal displacement signal, and calculating a requested
power that is total power of the drive motor requested by a driver;

(b) assuming power values of the engine-generator at equidistant intervals from minimum power to maximum power of the engine-generator;
(c) calculating a power value of the battery required to satisfy total power of the drive motor requested by the driver, using
the assumed power values of the engine-generator and the requested power;

(d) calculating an efficiency value of the engine-generator using an efficiency map of the engine-generator, and calculating
an efficiency value of the battery using an efficiency map of the battery as a function of the battery power and a measured
State Of Charge (SOC) of the battery;

(e) calculating system efficiencies of the combat maneuvering system, for every assumed power value of the engine-generator
at the equidistant intervals, using the efficiency of the engine-generator and the efficiency of the battery; and

(f) selecting an assumed power of the engine-generator, obtained for a highest system efficiency, and controlling the engine-generator
at the selected assumed power.

US Pat. No. 9,103,905

SONAR SYSTEM AND IMPEDANCE MATCHING METHOD THEREOF

AGENCY FOR DEFENSE DEVELO...

1. An active Sound Navigation and Ranging (SONAR) system comprising:
a transmitter comprising an input power source and an input impedance;
a transducer configured to convert an electrical signal of the transmitter into an acoustic wave or convert the acoustic wave
into the electrical signal; and

an impedance matching circuit provided between the transmitter and the transducer and configured to transfer power from the
transmitter to the transducer,

wherein the impedance matching circuit comprises:
a transformer having a primary terminal and a secondary terminal, the transformer being configured to increase or decrease
a voltage of the secondary terminal with respect to a voltage of the primary terminal;

a first resonant part comprising an inductor and a capacitor connected in series to each other, the first resonant part being
configured to model the mechanical characteristics of the transducer;

a second resonant part comprising: an inductor of the secondary terminal of the transformer; and a capacitor of the transducer,
the capacitor being connected to the inductor of the secondary terminal in parallel; and

a third resonant part comprising a capacitor and an inductor, the capacitor and the inductor being connected in series to
the primary terminal of the transformer,

wherein a bandwidth is expanded and a power factor value is increased in acoustic and ultrasonic wave bands, by matching resonant
frequencies of the first resonant part, the second resonant part and the third resonant part through an electrical equivalent
model corresponding to actual impedance data of the transducer, and also by controlling the positions and intervals of frequencies
at which reactance components of the transducer become zero, wherein the reactance components comprises the impedance matching
circuit; and

wherein a resonant frequency of the first resonant part is a serial resonant frequency corresponding to a resonant frequency
of the transducer, a resonant frequency of the second resonant part is a parallel resonant frequency corresponding to a resonant
frequency of the transducer and the impedance matching circuit, and a resonant frequency of the third resonant part is a serial
resonant frequency corresponding to a resonant frequency of the impedance matching circuit.

US Pat. No. 9,294,183

DISTRIBUTED WIRELESS TRANSMISSION AND RECEPTION SYSTEM, AND EXPANDED WIRELESS NETWORK

AGENCY FOR DEFENSE DEVELO...

1. A distributed relay system, comprising:
third jump relay radios configured to receive a plurality of signal groups from first jump relay radios in a first network;
a second destination radio configured to receive the plurality of signal groups, respectively, from the third jump relay radios
to restore a transmission signal using the received signal groups;

a second jump source radio configured to receive the restored transmission signal from the second destination radio; and
fourth jump relay radios configured to receive the transmission signal from the second jump source radio, extract a predesignated
signal group from the transmission signal, and transmit the extracted signal group to an external network containing each
destination radio.

US Pat. No. 9,212,057

METHOD FOR CONTROLLING FUEL REFORMER

AGENCY FOR DEFENSE DEVELO...

1. A method for controlling a fuel reformer capable of generating hydrogen by reforming fuel, the method comprising:
heating a catalyst of the fuel reformer by operating an electric heater formed to enclose the catalyst;
supplying fuel and air to the catalyst under a condition of complete combustion;
flame-combusting the fuel by igniting an ignition plug installed near a rear end of the catalyst; and
shifting the position of the flame combustion to inside of the catalyst, by reducing a supply amount of the fuel and the air,
such that temperature of the catalyst is drastically increased.

US Pat. No. 9,133,070

SMOKELESS PROPELLANT COMPOSITION CONTAINING BISMUTH-BASED COMPOUND AND METHOD OF PREPARING THE SAME

AGENCY FOR DEFENSE DEVELO...

1. A smokeless propellant composition, comprising:
based on a total weight of the composition,
5.0˜15.0 wt % of a binder prepolymer, including a polymer having a hydroxyl group (—OH) at a chain terminal;
10.0˜70.0 wt % of an oxidizer;
1.0˜5.0 wt % of a combustion improver, including bismuth subsalicylate or bismuth salicylate;
0.5˜3.0 wt % of a urethane curing agent, including isophorone diisocyanate (IPDI);
0.1˜1.5 wt % of a cross-linking agent, including trimethylol propane (TMP); and
a remainder of one or more additives selected from the group consisting of a propellant aging stabilizer, a plasticizer, a
combustion stabilizer, a burning catalyst, a neutral polymeric binder and a urethane curing catalyst

wherein the combustion stabilizer is zirconium carbide and is used in an amount of 0.5˜3.0 wt % based on the total weight
of the smokeless propellant composition,

wherein the burning catalyst is carbon black and is used in an amount of 0.1˜1.0 wt % based on the total weight of the smokeless
propellant composition, and

wherein the urethane curing catalyst is triphenylbismuth (TPB), and is used in an amount of 0.05˜0.3 wt % based on the total
weight of the smokeless propellant composition.

US Pat. No. 9,753,133

APPARATUS AND METHOD FOR CONVERTING MULTI-CHANNEL TRACKING INFORMATION FOR INTEGRATED PROCESSING OF FLIGHT DATA

AGENCY FOR DEFENSE DEVELO...

1. An apparatus for converting multi-channel tracking information for integrated processing of flight data, the apparatus
comprising:
a signal receiver for receiving pieces of tracking information from tracking radar systems through a plurality of input, channels;
a programmable semiconductor for multiplexing the pieces of tracking information, and converting the multiplexed tracking
information into a data stream-type Pulse Code Modulation (PCM) frame; and

a line driver for outputting the PCM frame to another piece of equipment,
wherein the programmable semiconductor comprises:
a signal reception unit including a plurality of reception panels, each monitoring a reception status of received tracking
information and generating status information required to determine whether an input signal is present;

a delay control unit including a plurality of delay control panels, each correcting a temporal mismatch between the pieces
of tracking information in response to the status information due to individual processing times and transmission delays of
the tracking radar systems;

a packet alignment unit for aligning the corrected tracking information on a radar Protocol Data Unit (PDU) basis; and
a PCM frame generation unit for multiplexing the aligned tracking information in a form of a PCM frame, and
wherein the apparatus is of a stand-alone type.

US Pat. No. 9,647,260

METHOD OF MANUFACTURING ANODE FOR THERMALLY ACTIVATED RESERVE BATTERY USING THIN METAL FOAM AND CUP

AGENCY FOR DEFENSE DEVELO...

1. A method of manufacturing an anode for a thermally activated reserve battery using a thin metal foam and a cup, comprising:
1) rolling a metal foam;
2) coating the metal foam with a molten eutectic salt;
3) impregnating the coated metal foam with lithium; and
4) providing the impregnated metal foam with an electrode cup and a conductive separation membrane,
wherein the metal foam comprises a porous material having electrical conductivity,
wherein the metal foam has a porosity of 90% of a total volume thereof, for the metal foam being impregnated with lithium,
and

wherein pores of the metal foam are formed into an average diameter of 800 ?m, for preventing the impregnated lithium escaping
from the pores.

US Pat. No. 9,620,927

HIGH-ORDER HARMONIC WAVE GENERATION APPARATUS CAPABLE OF SELECTING WAVELENGTH

AGENCY FOR DEFENSE DEVELO...

1. A high-order harmonic wave generation apparatus for selecting a wavelength, comprising:
Porro prisms, arranged on a left side and a right side of a pump head in order to make a fundamental wave, generated by the
pump head, insensitive to a change in an external environment;

nonlinear crystals for sequentially generating a second-order harmonic wave, a fourth-order harmonic wave, and a fifth-order
harmonic wave from the fundamental wave; and

final emission units for reflecting and transmitting the second-order harmonic wave, the fourth-order harmonic wave, and the
fifth-order harmonic wave and for emitting the harmonic wave without changing an optical path,

wherein the nonlinear crystals comprise a second-order harmonic wave generation nonlinear crystal for generating the fundamental
wave and the second-order harmonic wave, a fourth-order harmonic wave generation nonlinear crystal for generating the fundamental
wave and the fourth-order harmonic wave, and a fifth-order harmonic wave generation nonlinear crystal for generating the fundamental
wave and the fifth-order harmonic wave, and

wherein the final emission units comprise:
a first ultraviolet filter, disposed between the fourth-order harmonic wave generation nonlinear crystal and the fifth-order
harmonic wave generation nonlinear crystal, for reflecting the second-order harmonic wave and transmitting the fundamental
wave and the fourth-order harmonic wave;

a 2-1-th ultraviolet filter, disposed behind the fifth-order harmonic wave generation nonlinear crystal, for transmitting
the fundamental wave and the fourth-order harmonic wave and reflecting the fifth-order harmonic wave; and

a 2-2-th ultraviolet filter for reflecting and thereby emitting the fifth-order harmonic wave, reflected from the 2-1-th ultraviolet
filter.

US Pat. No. 9,203,229

PROTECTION APPARATUS AND CONTROL METHOD FOR THE SAME

AGENCY FOR DEFENSE DEVELO...

1. A protection apparatus for protecting an equipment from an electromagnetic pulse flowing on a power line, the apparatus
comprising:
a switching unit configured to electrically connect or disconnect the power line to or from the equipment;
a short/intermediate pulse protective unit configured to protect the equipment from an electromagnetic pulse having a pulse
width less than a preset time, the electromagnetic pulse contained in the current flowing on the power line;

a sensing unit configured to detect a current passed through the short/intermediate pulse protective unit among a current
flowing on the power line at a reference time interval; and

a controller configured to control the switching unit to electrically disconnect the power line from the equipment when the
current detected by the sensing unit is an electromagnetic pulse having a pulse width more than a preset time.

US Pat. No. 9,746,637

APPARATUS FOR COUPLING SIC REFLEX MIRROR

AGENCY FOR DEFENSE DEVELO...

1. An apparatus for coupling a SiC reflex mirror, configured to mount a SiC reflex mirror having a cylindrical portion formed
on each of a plurality of points on a rear surface thereof, to a mounting plate, the apparatus comprising:
an insertion portion having a vertical portion having a curved shape or a hollow cylindrical shape and attached to inside
of the cylindrical portion, and a horizontal portion integrally formed with the vertical portion and formed to cross the vertical
portion;

an adhesive provided at at least one of an outer surface of the vertical portion and an inner circumferential surface of the
cylindrical portion, and configured to attach the insertion portion spaced apart from the cylindrical portion reflex mirror;

a fixing portion provided at the mounting plate and having one end fixed to the horizontal portion with a region of fixation
apart from the SiC reflex mirror, having another end fixed to the mounting plate, and configured to fix the SiC reflex mirror
to the mounting plate in a state that the fixing portion does not reach the SiC reflex mirror by the insertion portion and
the adhesive; and

a coupling member configured to fix the fixing portion to the insertion portion,
wherein the insertion portion is formed of a SiC material to prevent a deformation caused by a difference in thermal expansion
coefficients between the SiC reflex mirror and the fixing portion,

wherein the fixing portion includes:
a bi-pod coupled to the mounting plate;
a body to which the bi-pod is insertion-fixed partially or wholly; and
a mounting portion extending from the body, and having a larger sectional area than the body,
wherein the coupling member is formed to pass through the mounting portion and the horizontal portion,
wherein the cylindrical portion of the reflex mirror and the fixing portion of the mounting plate are arranged to form an
equilateral triangle based on a center of the SiC reflex mirror, respectively, and

wherein Young' modulus of the adhesive is less than Young's modulus of the SiC material so that stress transfer due to the
coupling force of the coupling member is attenuated by ductility of the adhesive.

US Pat. No. 9,200,869

COMPOSITE OPTICAL DEVICE FOR SIGHTING TARGETS AND MEASURING DISTANCES

Agency for Defense Develo...

1. A composite optical device for day and night time sighting and measuring distance, having a laser application device, a
day-time optical device, a thermal imaging optical device and a display, which comprises:
the day-time optical device installed between an objective unit and an eye-piece, the eye-piece and the objective unit being
arranged seeing each other, the day-time optical device comprising an objective lens, a first beam splitter, a first attenuator,
a second beam splitter, a relay unit, an eye-piece lens, and a second attenuator sequentially installed between the objective
unit and the eye-piece so as to control an amount of light from outside the composite optical device;

the laser application device comprising a beam shaping lens for shaping and sighting a laser emitted from a laser source,
a focus lens installed in front of the beam shaping lens for controlling an emitting angle of the laser, and a folding minor
installed in front of the focus lens for reflecting the laser passed through the beam shaping lens and the focus lens to the
first beam splitter; and

the display installed on one side of the second beam splitter to transmit a specific image to the second beam splitter, the
second beam splitter reflecting the specific image transmitted from the display to be superposed on the eye-piece lens.

US Pat. No. 9,722,108

PHOTODETECTOR WITH PLASMONIC STRUCTURE AND METHOD FOR FABRICATING THE SAME

AGENCY FOR DEFENSE DEVELO...

1. A photodetector with a plasmon structure, comprising:
a semiconductor substrate, wherein the semiconductor substrate has a substantially flat bottom surface;
a plurality of light-receiving elements that are formed in a predetermined pattern, protruding from the semiconductor substrate;
and

a nanostructure that is placed in contact with a surface of the semiconductor substrate among the light-receiving elements
and which induces a plasmon phenomenon thereon,

wherein the nanostructure is a surface plasmon nanostructure and the plurality of light-receiving elements are protruded over
the nanostructure which is patterned before etching.

US Pat. No. 9,632,174

APPARATUS FOR TESTING PERFORMANCE OF SYNTHETIC APERTURE RADAR

AGENCY FOR DEFENSE DEVELO...

1. An apparatus for testing the performance of a synthetic aperture radar configured to synthesize an image based on Doppler
information of the target, the apparatus comprising:
a three-axis motion platform that is coupled to an antenna and driven in roll, pitch, and yaw directions and produces jitter
components so as to reproduce motion components generated from a pointing angle of the antenna;

a target simulator configured to reproduce a ground target; and
a system simulator that allows the three-axis motion platform and the target simulator to work in conjunction with each other
in real time, and that controls the three-axis motion platform and the target simulator,

wherein the three-axis motion platform is configured to produce the jitter components by performing attitude control on the
roll, pitch, and yaw components and,

the three-axis motion platform comprises a three-axis driver that determines the attitude of the three-axis motion platform,
based on jitter information received from the system simulator,

wherein the target simulator is configured to:
receive an input signal propagated from the antenna; and
reproduce an output signal in order to simulate the target based on the target information received from the system simulator;
and

wherein the target simulator comprises a target modulator that adjusts the amplitude of the output signal, and
wherein the target simulator is configured to:
perform range and phase delays of the output signal, and reproduce drift components by reproducing the range delay function;
reproduce a chirp waveform signal for every ? (Pulse Repetition Interval: PRI);
reproduce an antennae pattern component;
reproduce the chirp waveform signal for a range delay replica signal when the antenna pattern component is reproduced, and
reproduce phase components corresponding to the doppler components for every ?(PRI) history of the ground target in an azimuth
direction by the equation

S(t)=A0?a(?)exp{j?Kr(t?2R(?)/c)2}exp(?j4?f0R(?)/c)

where the S(t) is the chirp waveform signal including the range delay replica signal and the phase components, exp(?j4?f0R(?)/c), corresponding to the doppler component of the ground target in the azimuth direction which is reproduced for every
?(PRI), and where the A0?a(?)exp{j?Kr(t?2R(?)/c)2} is the chirp waveform signal for a range delay replica signal, and where the f0 is a reference frequency of the output signal.

US Pat. No. 9,999,050

RESOLUTION METHOD FOR CONFLICT OF FIRING PHASE ALLOCATION IN BIO-INSPIRED DISTRIBUTED WIRELESS RESOURCE ALLOCATION METHOD

AGENCY FOR DEFENSE DEVELO...

1. A method of solving a conflict of a firing phase allocation in a bio-inspired distributed wireless resource allocation, the method comprising:(a) selecting a reference firing phase having a preset degree of allocation-available space, on the basis of firing phase allocation information within a received firing message, when a newly-entered node attempts the firing phase allocation;
(b) calculating changeable positions of the reference firing phase and a succeeding firing phase of the reference firing phase under assumption set based on the firing phase allocation information; and
(c) setting a space between the changeable positions as an allocation-available range and allowing the newly-entered node to be allocated with an arbitrary firing phase within the allocation-available range.

US Pat. No. 9,768,508

ANTENNA SYSTEM FOR SIMULTANEOUS TRIPLE-BAND SATELLITE COMMUNICATION

AGENCY FOR DEFENSE DEVELO...

1. An antenna system for triple-band satellite communication, comprising: a feed horn device that is configured to simultaneously
radiate or absorb wireless signals of triple bands including X, Ku and Ka bands; and a waveguide section that is coupled to
the feed horn device and configured to transmit input and output of the wireless signals, wherein the feed horn device comprises:
a corrugation horn that is configured to radiate or absorb a first wireless signals of the X and Ku bands, the corrugation
horn having a bell-like shape with a plurality of corrugations formed on an inner circumferential surface thereof in a stepped
manner; and a Ka-band dielectric feed horn that is configured to radiate or absorb a second wireless signal corresponding
to the Ka band which is the highest band and disposed in a central region of the corrugation horn, a reflector configured
to enter the X and Ku-band signals incident thereto through the corrugation horn to a turnstile junction portion, and wherein
the first wireless signals corresponded to the X and Ku bands is not radiated or absorbed through the Ka-band dielectric feed
horn and the second wireless signal corresponded to the Ka band is radiated or absorbed only through the Ka-band dielectric
feed horn, and wherein the first wireless signals radiated through the corrugation horn is again radiated through the reflector,
and the second wireless signal radiated through the Ka-band dielectric feed horn is not radiated through the reflector.

US Pat. No. 9,849,323

DECONTAMINATION AND STERILIZATION DEVICE WITH FLEXIBLE ENCLOSING COVER USING PLASMA AND REACTIVE GAS

AGENCY FOR DEFENSE DEVELO...

1. A decontamination, and sterilization device comprising:
an enclosing cover composed of a non-conductive flexible material and configured to cover and seal a portion of a surface
of a subject of decontamination contaminated with a chemical weapon or a biological weapon, without coming into contact with
the surface of the subject of decontamination; and

a plurality of reactive decontamination gas generators spaced apart from each other by a predetermined distance and attached
on the surface of the enclosing cover and configured such that a plasma gas and a reactive gas for producing an active radical
are simultaneously or independently sprayed to an inside sealed by the enclosing cover via a spray outlet of each of the reactive
decontamination gas generators,

wherein each of the reactive decontamination gas generators includes an electrode structure which includes at least one internal
electrode and at least one external electrode and is configured such that the at least one internal electrode receives external
air via a first inflow path formed at one end thereof to generate plasma and is housed in the at least one external electrode,
and

wherein the enclosing cover is used as a structural unit such that individual structural units are connected to each other
using connectors formed at edges of individual enclosing covers thereof.

US Pat. No. 10,151,330

THREE-STAGE HYDRAULIC ACTUATOR AND METHOD OF OPERATING THE SAME

AGENCY FOR DEFENSE DEVELO...

1. A three-stage hydraulic actuator, comprising:a pressurizing chamber having therein separated spaces respectively charged with compressed gas and compressed oil charged into the pressurizing chamber;
a distribution chamber communicating with the pressurizing chamber, the distribution chamber being charged with oil pressurized by the compressed oil charged into the pressurizing chamber;
a slider disposed in the distribution chamber, to be slidable while an outer circumferential surface of the slider makes contact with an inner surface of the distribution chamber; and
an acceleration chamber communicating with the distribution chamber through a distributing orifice, with an acceleration piston installed in the acceleration chamber, the acceleration piston being moved forward when an oil inlet disposed perpendicular to the distribution chamber on a first end of the acceleration chamber supplies compressed oil from a starting accumulator into the acceleration chamber in a first compressed oil supplying operation which begins to open the distributing orifice, and the acceleration piston being accelerated further forward in a second compressed oil supplying operation in which the pressurized oil which is charged in the distribution chamber is supplied from the distribution chamber to the acceleration chamber through the distributing orifice when the distributing orifice begins to open as a result of the first compressed oil supplying operation, whereby a mass connected to the acceleration piston is accelerated,
wherein the distributing orifice is closed or opened by sliding of the acceleration piston, a side surface of the acceleration piston closes the distributing orifice, and an opening capacity of the distributing orifice becomes larger as the acceleration piston is moved forward,
wherein the compressed oil is discharged from the acceleration chamber through an oil outlet disposed on the acceleration chamber, at a position adjacent to the oil inlet,
wherein compressed gas is supplied from a returning accumulator into the acceleration chamber or discharged from the acceleration chamber through a returning gas port disposed on a second end of the acceleration chamber, and
wherein the pressurizing chamber comprises a plurality of pressurizing chambers arranged in parallel to each other, and lower ends of the pressurizing chambers are connected to the distribution chamber.

US Pat. No. 10,015,032

METHOD AND STRUCTURE FOR ACQUIRING FREQUENCY HOP TIMING SYNCHRONIZATION FOR FH-FDMA SATELLITE COMMUNICATION SYSTEM

AGENCY FOR DEFENSE DEVELO...

1. A method of acquiring frequency hop timing synchronization, which is performed by a ground satellite terminal, the method comprising:transmitting a ranging signal after a certain time in order to avoid collisions between the ranging signal and an existing transmission signal that is operating according to an accurate transmission synchronization;
receiving the ranging signal that was transmitted by the ground satellite terminal to determine whether synchronization is acquired;
adjusting a transmission timing of a wireless communication transmitter to reattempt the synchronization, when an acquisition of the synchronization has failed; and
transmitting another ranging signal based on the adjusted transmission timing,
wherein the receiving the ranging signal that was transmitted by the ground satellite terminal to determine whether synchronization is acquired comprises:
measuring a synchronization error using averages of a normalized envelope detection output, and
wherein the measuring of a synchronization error comprises:
a first synchronization measurement process of determining whether coarse synchronization is acquired when, among the normalized envelope detection outputs of the first to third signals, an average (?1) of the normalized envelope detection output of the first signal is greater than a reference for determining whether the coarse synchronization is acquired;
calculating ?1 (=2?2??1) and ?2 (=2?3??1) using the averages (?1, ?2, ?3) of the normalized envelope detection outputs of the first to third signals when the coarse synchronization is acquired;
measuring the synchronization error using ?1 and ?2 as follows:
when ?1+?2=0, ?1<0, frequency hop synchronization error is measured as 0.5 hop;
when ?1??2, frequency hop synchronization error is measured as
hop; when ?1>?2, frequency hop synchronization error is measured as
hop; and when ?1+?2=0, ?2<0 frequency hop synchronization error is measured as ?0.5 hop; and
a second synchronization measurement process of determining that fine synchronization is acquired when the measured synchronization error is smaller than an allowable synchronization error, which is a reference for determining whether the fine synchronization is acquired.

US Pat. No. 9,874,633

DECELERATION HYSTERISIS MEASURING APPARATUS FOR SOFT RECOVERY SYSTEM

AGENCY FOR DEFENSE DEVELO...

1. A deceleration hysteresis measuring apparatus for a soft recovery system to measure a distance of a projectile moving in
a pressure tube of the soft recovery system, the apparatus comprising:
a feeder unit transmitting an electromagnetic wave to the pressure tube of the soft recovery system and receiving an electromagnetic
wave reflected from the projectile moving in the pressure tube of the soft recovery system;

a transceiver unit generating a frequency-modulated continuous-wave (FMCW) or a continuous-wave, which is to be transmitted
through the feeder unit, mixing a signal of the electromagnetic wave transmitted from the feeder unit and a signal of the
electromagnetic wave reflected from the projectile in the pressure tube and received by the feeder unit, and extracting an
intermediate frequency from the mixed signals;

a modulation/demodulation unit modulating/demodulating the extracted intermediate frequency for remote communication;
a signal processing unit receiving a signal from the modulation/demodulation unit to extract a beat frequency or a Doppler
frequency; and

a user interface calculating the extracted beat frequency or Doppler frequency to output the distance of the projectile,
wherein the deceleration hysteresis measuring apparatus is disposed in proximity to an inlet of the soft recovery system.

US Pat. No. 10,119,861

LAMELLAR GRATING INTERFEROMETER HAVING STRESS-DISPERSIBLE SUPPORT STRUCTURE

AGENCY FOR DEFENSE DEVELO...

1. A lamella grating interferometer employed in a Fourier transform infrared (FTIR) spectrometer, the interferometer comprising:a reflective surface in a circular shape and provided with a fixed portion including fixed mirrors and a movable portion including movable mirrors that are arranged with the fixed mirrors in a crossing manner to form a lamella structure with the fixed mirrors;
a plurality of driving units disposed at outside the reflective surface and configured to apply driving forces for moving the movable portion; and
a plurality of driving arms connecting the driving units to the movable portion of the reflective surface, respectively, and configured to move the movable portion in response to the driving forces applied by the driving units,
wherein each of the plurality of driving arms is formed in a structure of repeating a preset bent shape plural times.

US Pat. No. 10,044,680

METHOD FOR HIDING RECEIVER'S ADDRESS FOR LINK LAYER IN GROUP COMMUNICATION

AGENCY FOR DEFENSE DEVELO...

1. A method for hiding receiver information, in a receiver information hiding method of hiding receiver information of a message in a system comprising a transmitting terminal broadcasting the message and a multitude of receiving terminals receiving the message, the method comprising:selecting by the transmitting terminal at least one receiving terminal that has to process the message from the plurality of terminals;
transforming by the transmitting terminal address information regarding the selected at least one receiving terminal;
generating by the transmitting terminal the message using the transformed address information and broadcasting the generated message; and
determining by each of the plurality of receiving terminals whether or not the corresponding receiving terminal is included in the selected at least one receiving terminal using specific address information corresponding to each of the plurality of receiving terminals and the transformed address information, in response to the reception of the message, and selectively processing or ignoring the message according to the determination result,
wherein the transforming by the transmitting terminal of the address information regarding the selected at least one receiving terminal comprises:
defining a function for transforming the address information regarding the selected at least one receiving terminal, wherein the function is a function of generating a probabilistic data structure to determine whether or not a specific element is included in a predetermined set; and
acquiring the transformed address information by inserting the address information regarding the selected at least one receiving terminal and at least one false address information into the function.

US Pat. No. 10,091,069

METHOD FOR MODELLING INFORMATION TRANSMISSION NETWORK HAVING HIERARCHICAL STRUCTURE AND APPARATUS THEREOF

AGENCY FOR DEFENSE DEVELO...

1. A method for modeling an information transmission network having a hierarchical structure in which information transmission is conducted between pairs of nodes to which pre-defined relationships are assigned, the method being implemented by a processor executing instructions stored in a memory and comprising:generating connection relationship information for each of the nodes, on a basis of traffic information including data transmission direction information for the nodes contained in the information transmission network;
generating a connectivity map for the nodes on a basis of the connection relationship information for each of the nodes; and
generating a traffic information map accounting for traffic intensities between pairs of the nodes by applying inter-node traffic information to the connectivity map,
wherein the connectivity map expresses the connection relationship information in a matrix form to reflect a change in the connection relationship information, and
wherein the traffic information map reflects various and variable traffic generation conditions by applying a traffic volume for each node and a ratio of the traffic volume for each node to a maximum traffic volume to the connectivity map.

US Pat. No. 9,881,513

SYSTEM AND METHOD FOR SIMULATING REAL-TIME VISUALIZABLE ELECTRONIC WARFARE

Agency for Defense Develo...

1. A system for simulating real-time visualizable electronic warfare, the system simulating and displaying a situation in
which a virtual aircraft and a virtual missile encounter each other, comprising:
a location calculation unit for calculating location coordinates of the aircraft and the missile for each frame according
to a display frame rate;

a display unit for visualizing, for each frame, movement of the aircraft and the missile depending on the location coordinates
thereof;

a precise tracking unit for, when a relative distance between the aircraft and the missile is less than a dangerous distance
that is a distance in a current frame that deviates from an explosible distance of a proximity fuse of the missile upon making
a transition from the current frame to a subsequent frame, dividing an interval between the current frame and the subsequent
frame into a plurality of sub-intervals based on the display frame rate, and sampling locations of the aircraft and the missile;
and

a proximity fuse control unit for processing the missile to explode when a relative distance between the locations of the
aircraft and the missile, sampled by the precise tracking unit, is less than or equal to a maximum explosible distance of
the proximity fuse of the missile.

US Pat. No. 10,097,588

METHOD AND SYSTEM FOR CONFIGURING SIMPLE KERNEL ACCESS CONTROL POLICY FOR ANDROID-BASED MOBILE TERMINAL

AGENCY FOR DEFENSE DEVELO...

1. A method of configuring a simple kernel access control policy for an Android-based mobile terminal, the method comprising:creating an entire list in a file system of a plurality of mobile terminals through a web user interface of a management server;
creating a system policy set and an application policy set by recognizing in advance subjects and objects in the entire list by means of the management server;
creating a group policy for each user group on the basis of the system policy set and the application policy set by means of the management server;
distributing the group policies to the mobile terminals by means of the management server; and
executing the group policies by means of the mobile terminals,
wherein the group policy is composed of a combined system policy set including system policy items of the system policy set and a combined application policy set including application policy items of the application policy set,
wherein the system policy items include an init protective policy for protecting an initial user process when kernel booting is finished, a zygote protective policy for protecting processes for executing applications, and a media protective policy for protecting processes for executing media, and
the application policy items include a camera application policy, a video application policy, a recorder application policy, and a map application policy.

US Pat. No. 10,206,160

CROSS-LAYERED RESOURCE ALLOCATION METHOD BASED ON WEIGHTED DESYNC IN WIRELESS AD-HOC NETWORK

AGENCY FOR DEFENSE DEVELO...

1. A Weighted DESYNC based cross-layered resource allocation method, wherein the method is performable on each of a plurality of nodes constituting a routing path, the method comprising:calculating a link quality value with a next node of a predetermined node of the plurality of nodes;
receiving a link quality value from at least one neighbor node of the predetermined node; and
based on the link quality values in the calculating of the link quality value and the receiving of the link quality value, calculating a weight factor for synchronizing a transmission yield,
wherein the calculating of the weight factor comprises calculating the weight factor based on an average of differences between a link quality value of the next node and link quality values received from 1-hop neighbor nodes of the predetermined node.

US Pat. No. 10,097,569

SYSTEM AND METHOD FOR TRACKING MALWARE ROUTE AND BEHAVIOR FOR DEFENDING AGAINST CYBERATTACKS

AGENCY FOR DEFENSE DEVELO...

1. A system for tracking a malware route and behavior in order to defend against cyberattacks, comprising:multiple hosts in which first event data concerning object behavior are collected and pieces of host-based event information are created using the first event data;
a tracking information database server for storing the pieces of host-based event information therein; and
a tracking information analysis server for creating behavior events by defining malware behavior from the pieces of host-based event information, for searching the pieces of host-based event information and the behavior events for a target to be analyzed based on a preset input value, for creating first tracking contexts, through which the malware behavior is capable of being identified, by analyzing a relationship between the pieces of host-based event information and a relationship between a set of the pieces of host-based event information and a set of the behavior events, which correspond to the target to be analyzed, and for creating second tracking contexts, through which a malware route and behavior events between the multiple hosts are capable of being tracked, by analyzing a correlation between the first tracking contexts,
wherein the first tracking contexts are tracking contexts inside at least one of the multiple hosts, and the second tracking contexts are tracking contexts between the multiple hosts.

US Pat. No. 10,015,753

SYSTEM FOR DOWNLINK TRANSMISSION USING HETEROGENEOUS POWER

AGENCY FOR DEFENSE DEVELO...

1. A system for downlink transmission using heterogeneous power, the system comprising:a plurality of sensor nodes;
a coordinator connected to a network including the plurality of sensor nodes and configured to transmit data to the plurality of sensor nodes;
a power source configured to supply power required for the coordinator to transmit data to each of the plurality of sensor nodes from the network, to the coordinator; and
a battery configured to supply power required for the plurality of sensor nodes to perform communication within the network, to the plurality of sensor nodes, wherein when a destination node as a reception target of the data, among the plurality of sensor nodes, receives the data, the destination node transmits a signal indicating the data reception to the other remaining nodes among the plurality of sensor nodes,
wherein the coordinator repeatedly transmits the data to each of the plurality of sensor nodes during a preset period and calculates a remaining time obtained by subtracting a time required for transmission of the data in the preset period, and the data includes information regarding the remaining time.

US Pat. No. 10,020,575

APPARATUS AND METHOD FOR CONTROLLING STABILIZATION OF SATELLITE-TRACKING ANTENNA

AGENCY FOR DEFENSE DEVELO...

1. An apparatus for controlling stabilization of a satellite-tracking antenna, the apparatus comprising:an antenna driving unit driving the antenna to track a satellite based on preset satellite position information and position information collected by an inertia sensor and an encoder that are provided at the antenna;
a point detecting unit detecting a point where an amplitude of a satellite reception signal of the antenna is maximum;
an elevation measuring unit measuring an elevation value of the antenna corresponding to the point where the amplitude of the satellite reception signal of the antenna is maximum; and
a controller controlling an azimuth motor and an elevation motor of the antenna to enable the antenna to face the point where the amplitude of the satellite reception signal is maximum, when the measured elevation value of the antenna is out of a first preset range,
the controller controlling the azimuth motor of the antenna to have an azimuth value corresponding to the point where the amplitude of the satellite reception signal is maximum and controlling the elevation motor of the antenna to have an elevation value less than the measured elevation value corresponding to the point where the amplitude of the satellite reception signal is maximum, when the measured elevation value of the antenna is in the first preset range, wherein when a movement of the satellite is detected after the antenna faces the point where the amplitude of the satellite reception signal is maximum, the controller generates a driving command signal for the elevation motor based on a value obtained by adding an elevation change value in consequence of the movement of the satellite to the measured elevation value corresponding to the point.

US Pat. No. 10,113,847

ARM-FIRE DEVICE AND METHOD OF IGNITING PROPULSION SYSTEM USING THE SAME

AGENCY FOR DEFENSE DEVELO...

1. An arm-fire device comprising:a capacitor charged by an arming signal;
an acceleration switch for generating an operation signal if an acceleration more than a predetermined acceleration is sensed;
a controller electrically connected with the capacitor and the acceleration switch, controlling generation of a firing signal by discharging the capacitor when the operation signal and an externally-applied launching signal are all sensed in a state that capacitor is charged; and
a through bulkhead initiator provided with an ignition portion installed at a space separated by a bulkhead and configured to be electrically connected with the controller to ignite the ignition portion if the firing signal is transferred thereto,
wherein the acceleration switch includes:
a stator having a first contact point;
a proof mass accommodated within the stator and supported by an elastic member to be movable with respect to the stator;
a second contact point formed at one side of the proof mass and formed to contact the first contact point if the acceleration more than the predetermined acceleration is applied thereto;
a plurality of first electrode plates formed to be protruded from the stator in a direction crossing a moving direction of the proof mass;
a plurality of second electrode plates formed to be protruded from the proof mass and thus arranged alternately with the first electrode plates along the moving direction of the proof mass;
a base glass coupled to a lower portion of the stator to cover a lower portion of the proof mass; and
a cup glass coupled to an upper portion of the stator to cover an upper portion of the proof mass,
wherein a protrusion protrudes from the cup glass toward a groove formed at the upper portion of the proof mass to be caught in the groove, such that the cup glass and the base glass restrict a displacement of the proof mass.

US Pat. No. 10,205,654

METHOD FOR PROVIDING BIO-INSPIRED ROUTING PROTOCOL USING OVERHEARING AND PROBABILISTIC PATH FINDING IN MOBILE AD HOC NETWORKS AND SYSTEM THEREOF

AGENCY FOR DEFENSE DEVELO...

1. A method for providing a bio-inspired routing protocol using overhearing and probabilistic path finding in a mobile ad hoc network including multiple nodes, the method comprising:(a) transmitting, by a source node and a destination node, a data packet and an exploitation ant packet along a single route therebetween in both directions, the source node and the destination node being selected from among the multiple nodes;
(b) overhearing, by remaining nodes, the data packet and the exploitation ant packet, the remaining nodes being acquired by excluding nodes on the single route from the multiple nodes;
(c) determining one-hop neighbors, among the remaining nodes, through the overhearing, and determining a one-hop coverage range formed by a communication range of the one-hop neighbors;
(d) updating, by the one-hop neighbors, pheromone information through the overhearing, and sending, by the one-hop neighbors, best pheromone information for traveling to the destination node based on the updated pheromone information; and
(e) setting an alternative route in such a way that the source node creates an exploration ant packet based on the updated pheromone information and performs alternative route sampling through probabilistic path finding,
wherein the routing protocol includes:
routing table information management for managing information about multiple routes;
route setup for establishing a route;
overhearing for determining the one-hop neighbors of the route from the source node to the destination node;
pheromone diffusion for diffusing the pheromone information within a predetermined range of the route from the source node to the destination node using the overhearing and transmission and reception of a specific message by the one-hop neighbors;
route management for maintaining the established route;
data forwarding for selecting a next hop in a probabilistic manner based on the pheromone information; and
route recovery for informing a preceding node that there is no transmission route when there is no route along which a data packet is to be transmitted,
wherein the routing table information management is configured to additionally manage an update time, pheromone information, and status information, and
wherein the status information is set as an active status when the status information is acquired through the data packet, the exploitation ant packet or the exploration ant packet, but the status information is set as an inactive status when the status information is acquired through the overhearing or a message that includes the exploration ant packet.

US Pat. No. 10,164,815

EXTREMELY PRECISE FREQUENCY ESTIMATION APPARATUS AND METHOD FOR SINGLE RECEIVER

AGENCY FOR DEFENSE DEVELO...

1. An extremely fine frequency estimation apparatus for a single receiver, the apparatus comprising:a coarse frequency estimation unit estimating a coarse frequency by calculating an average of frequency estimation values for each single pulse;
a direct current domain transformation unit transforming a reception signal into a direct current domain based on the coarse frequency;
a fine frequency estimation unit estimating a fine frequency by applying regression analysis to a pulse train in the direct current domain of the coarse frequency; and
an extremely fine frequency estimation unit estimating an extremely fine frequency by compensating an error of the coarse frequency with the fine frequency.

US Pat. No. 10,166,560

CONTINUOUS LAUNCHER

AGENCY FOR DEFENSE DEVELO...

1. A continuous launcher comprising:a pressing tube having therein a first hollow portion in which a piston is movable;
a launch unit disposed at a front side of the pressing tube in a spaced manner based on a launching direction, for launching a launch object using compression force, the compression force being generated by the piston moved forward along the first hollow portion;
a piston supply unit provided at a rear side surface of the pressing tube and including therein a plurality of pistons, wherein the piston supply unit supplies the pistons one by one to a rear end of the first hollow portion;
a piston loading unit provided at a rear end of the pressing tube, and allowing the piston to be moved from a supply position of the piston supplied into the first hollow portion to a load position within the first hollow portion, at which the piston is loaded; and
an operating fluid supply unit supplying an operating fluid between the supply position and the load position of the piston, to press forward the piston from the load position,
wherein the launch unit comprises:
a high-pressure connector having therein a second hollow portion, in which the piston is movable; a launch tube having a solid launch object therein, provided with a launch hollow portion serving as a path for launching the solid launch object, the launch tube being connected to a front end of the high-pressure connector to communicate the launch hollow portion and the second hollow portion with each other; and a diaphragm disposed to block between the second hollow portion and the launch hollow portion to generate air compression force within the second hollow portion, and which is exploded to launch the launch object when the air compression force reaches a preset pressure,
wherein the launch hollow portion has a cross section smaller than that of the second hollow portion, wherein the launch unit and the pressing tube are spaced apart from each other, and wherein a front end of the first hollow portion and a rear end of the second hollow portion are disposed to face each other.

US Pat. No. 10,312,550

MOLTEN LITHIUM-SULFUR BATTERY WITH SOLID ELECTROLYTE AND METHOD OF MANUFACTURING THE SAME

AGENCY FOR DEFENSE DEVELO...

1. A method of manufacturing a molten lithium-sulfur battery, the method comprising manufacturing a cathode,wherein the manufacturing the cathode comprises:
a first step of adding a cathode active material to a metal foam by immersing the metal foam in molten sulfur;
a second step of subjecting a surface of the metal foam to sulfuration through heat treatment of the surface of the metal foam, which is obtained from the first step, in a sealed metal container; and
a third step of additionally adding the cathode active material to the metal foam, which is obtained from the second step, by further immersing the metal foam in molten sulfur,
wherein the molten lithium-sulfur battery includes:
a sealed case;
a solid electrolyte;
a conductive metal foam having a plurality of pores;
an anode using the metal foam and using lithium (Li) or a lithium alloy as an active material being accommodated into the metal foam; and
a cathode using the metal foam and using sulfur (S) or a sulfide as an active material.

US Pat. No. 10,289,644

METHOD FOR GENERATING DATABASE USING LOOKUP TABLE

AGENCY FOR DEFENSE DEVELO...

1. A method for generating an engineering database using lookup tables, the method being implemented by a processor executing instructions stored in a storage unit and comprising:creating a plurality of table sets for generating an engineering database;
inputting a plurality of control information for controlling the table sets; and
inputting lookup tables corresponding to each of the plurality of control information,
wherein the lookup tables show data values for a change in one of independent variables,
wherein the engineering database is of a hierarchical data structure with first and second data levels,
wherein primary input information in which the plurality of control information are aggregated is presented in the first data level,
wherein secondary input information including each of the plurality of control information for controlling each of the table sets is presented in the second data level, and
wherein the primary input information includes:
a number of the table sets included in the engineering database, and
names for referring to each of the plurality of control information included in the engineering database.

US Pat. No. 10,342,112

SATELLITE-SHAPED FLEXIBLE PLASMA GENERATOR

AGENCY FOR DEFENSE DEVELO...

1. A satellite-shaped flexible plasma generator comprising:a central electrode having a circular cross section;
a flexible dielectric material enclosing the central electrode; and
at least one external electrode having a circular cross section and being circumscribed about the flexible dielectric material while being separated from each other at regular intervals,
wherein the central electrode forms a two dimensional or three dimensional structure by using auxiliary support wires or auxiliary support fixtures, and
wherein a cooling line is provided in auxiliary support wires or auxiliary support fixtures to be perpendicular to the central electrode.

US Pat. No. 10,295,433

DEVICE FOR TESTING PERFORMANCE OF PYRO DEVICE USING HIGH-PRESSURE AIR

AGENCY FOR DEFENSE DEVELO...

1. A performance testing device comprising:a compressor configured to generate compressed air;
an air storage tank configured to receive the compressed air generated by the compressor;
a regulator connected to the compressor and the air storage tank to control a pressure of the compressed air;
a main supply line connected to the regulator to receive the compressed air from the air storage tank and to move the compressed air;
an input port line and an output port line connected to the main supply line to receive the compressed air from the air storage tank and to deliver the compressed air to an input port or an output port of a test object; and
a pneumatic booster configured to pressurize the compressed air received in the input port line or the output port line,
wherein in order to test a performance of the test object, the pressurized compressed air is applied to the input port or the output port of the test of object.

US Pat. No. 10,296,381

METHOD AND SYSTEM FOR ANALYZING TASK GROUP SCHEDULABILITY FOR HARD REAL-TIME SCHEDULING

AGENCY FOR DEFENSE DEVELO...

1. A system for analyzing task group schedulability for hard real-time scheduling, the system comprising:an operating system including a file system and a kernel,
wherein the operating system generates, from the file system and the kernel, non-periodic real-time task information and periodic real-time task information and periodic real-time task group information including the non-periodic real-time task information; and
a tool for testing hard real-time schedulability, which collects the non-periodic real-time task information by applying a first predetermined scheduling algorithm and determines schedulability of a reserved resource for the periodic real-time task group information including the non-periodic real-time task information through a second predetermined scheduling algorithm,
wherein the tool for testing hard real-time schedulability includes:
a first module for collecting the non-periodic real-time task information, the first module collecting the periodic real-time task group information;
a second module for collecting the periodic real-time task information; and
a third module for testing schedulability, the third module determining the schedulability of the reserved resource for the periodic real-time task group information including the non-periodic real-time task information through the non-periodic real-time task information and the periodic real-time task information, and
wherein the second algorithm determines the schedulability of the reserved resource for the periodic real-time task group information by using the periodic real-time task information including a period and an execution time of the periodic real-time task and priority information within the periodic real-time task group information, and by using the real-time task information allowed to a CPU.