US Pat. No. 9,453,746

VOLUMETRIC-FLOW MEASURING APPARATUS HAVING A FOLDABLE FLOW STRAIGHTENER

Testo AG, Lenzkirch (DE)...

1. A volumetric-flow measuring apparatus comprising a basic body which receives a measuring unit, and a foldable measuring
funnel, which is attached on the basic body, the measuring funnel is convertible from a transport position to a use position,
a flow straightener formed from a foldable material is disposed in a funnel opening which is defined by the measuring funnel,
the flow straightener is convertible between a transport position and a use position, and the flow straightener in the use
position adapts to the measuring funnel.

US Pat. No. 9,372,170

GAS SENSOR

Testo AG, Lenzkirch (DE)...

1. A gas sensor (1) comprising a carrier substrate (2) having a top side (4) and an underside (3), a gas inlet (24) for a measurement gas is formed at the underside (3) and an electrode structure (20) with an electrolyte layer (6) is arranged on the top side (4), the carrier substrate (2) has a porous region (7) comprised of a porous material and the porous material forms diffusion openings that connect the underside (3) to the top side (4), a gas-tight surface region (33, 34, 35) is formed on the carrier substrate (2) at the top side (4) adjacent to the porous region (7), connections (5, 27, 28) of measurement electrodes (25, 26) of the electrode structure (20) are formed as a metallic coating on the gas-tight surface region (33, 34, 35), and the electrolyte layer (6) at least partly covers the connections (5, 27, 28) and the porous region (7), the electrode structure (20) has at least two of the measurement electrodes (25, 26) and a reference electrode (18), and at least one of the measurement electrodes (25, 26) or the reference electrode (27) has a catalyst layer (10) arranged between a respective one of the connections (5, 27, 28) and the electrolyte layer (6).

US Pat. No. 9,165,341

METHOD FOR GENERATING SUPER-RESOLUTION IMAGES HAVING IMPROVED IMAGE RESOLUTION AND MEASURING DEVICE

Testo AG, Lenzkirch (DE)...

1. A method for generating SR images (11) having improved image resolution, comprising: recording a sequence of individual images (6, 7, 8) comprised of pixels (9, 10) in a non-visible spectral range and combining the individual images (6, 7, 8) in an optimization method to form an SR image (11) such that the individual images (6, 7, 8) of the sequence are modeled as samples of the SR image (11) by sampling functions, wherein an energy function is optimized in the optimization method, the energy function rates a deviation
of the individual images (6, 7, 8) from the SR image (11) imaged by a mathematical model describing imaging properties of a measuring device (1) used for recording the individual images (6, 7, 8), the optimization comprises in a first step, calculating an optical flow with respect to the individual images (6, 7, 8) of the sequence automatically and assigning a displacement vector field (11, 12) describing the optical flow to one of the individual images (6, 7, 8), in a second step, segmenting the individual images (6, 7) into at least two segments (20, 21, 22, 23, 24, 25), wherein the pixels (9, 10) within one of the segments (20, 21, 22, 23, 24, 25) in each case have a displacement vector (14, 15, 16, 17, 18, 19) in a predefined sub-range of a value range of the displacement vector field (11, 12), and in a third step, performing the optimization method, wherein in each case at least one separate variation parameter
is varied for the segments (20, 21, 22, 23, 24, 25), a subdivision of the SR image (11) into SR segments (35, 36, 37) is derived in each case from the subdivisions of the individual images (6, 7, 8) into the segments (20, 21, 22, 23, 24, 25), and the sampling function or point spread function (38, 39, 40, 41, 42, 43, 44) assigned to one of the segments (20, 21, 22, 23, 24, 25) of an individual one of the images (6, 7, 8) is applied to one of the SR segments (20, 21, 22, 23, 24, 25) of the SR image (35, 36, 37) derived from the segment.

US Pat. No. 9,383,262

IMAGING INSPECTION DEVICE

Testo AG, Lenzkrich (DE)...

1. Imaging inspection device, in particular, a thermal imaging camera (20), a UV camera, a pyrometer and/or an imaging gas-leak detection system with a feature recognition unit, wherein the feature
recognition unit is constructed to identify at least one marker (12) placed on an object (11) to be recorded and/or in a scene (24) to be recorded, and/or to identify a feature contained in a scene (24) to be recorded, and with a storage means in which metadata (17, 18, 19) is collected for each of the markers (12) and/or the identified features so that the metadata (17, 18, 19) varies between the markers (12) and/or the identified features, the metadata (17, 18, 19) including information beyond what is determinable by the imaging inspection device from the object (11) and/or the scene (24), the metadata (17, 18, 19) collected for a particular marker (12) and/or identified feature being stored in said storage means in association with the corresponding marker (12) and/or with the corresponding identified feature, wherein a resulting image may be retrieved from said storage means, said
resulting image including an image based on the object (11) and/or the scene (24) with the metadata (17, 18, 19) being overlaid on the image at positions corresponding associatively to the markers (12) and/or the identified features.

US Pat. No. 9,518,911

IMPACTOR AND METHOD FOR CHARACTERIZING A CARRIER GAS ENRICHED WITH SUSPENDED PARTICLES

Testo AG, Lenzkirch (DE)...

1. An impactor (1) for analysis of a carrier gas enriched with suspended particles, comprising a classifying nozzle unit (3) having at least one classifying nozzle (2) and with just one impact plate (7), the impact plate (7) being formed as a resonantly oscillating, mass-sensitive element (7, 33) and the resonantly oscillating, mass-sensitive element (7, 33) being secured in an impact plate holder (8), the impact plate holder (8) is arranged to be movable in relation to the classifying nozzle (2) by a motor (12), so that a point of impingement (35) of the carrier gas enriched with suspended particles on the impact plate (7) migrates along an arc of a circle or along a circle, a center point coinciding with an axis of a rotating or pivoting movement,
on the impact plate (7) and a depositing location of the suspended particles on the resonantly oscillating, mass-sensitive element is changeable
during a depositing process, the point of impingement being guided by relative movement along a line of constant mass sensitivity,
the resonantly oscillating, mass-sensitive element (7, 33) is electrically connected to a flexible connecting cable (24) that is dimensioned such that the rotating or pivoting movement of the impact plate holder (8) is made possible within a prescribed rotating or pivoting range, and the impact plate holder (8) has a holding plate (17) on which the resonantly oscillating, mass-sensitive element (7, 33) is held, and the impact plate holder (8) has resilient contact pins (23) that are arranged regularly, which in a position for use, act uniformly on the holding plate (17).

US Pat. No. 9,386,238

METHOD FOR PREPARING IMAGES IN NON-VISIBLE SPECTRAL RANGES, AND CORRESPONDING CAMERA AND MEASURING ARRANGEMENT

TESTO AG, Lenzkirch (DE)...

1. Method for preparing NON-VIS (non-visible) images for improving image resolution, comprising: at least one of during or
before and after a random movement of a camera for recording NON-VIS images in a non-visible spectral range, including at
least one of an IR (infrared), UV (ultraviolet), THz (terahertz), or microwave spectral range, or at least one of during or
before and after a random movement of a moving vehicle carrying a camera for recording NON-VIS images in the non-visible spectral
range which results in a random movement of the camera, recording a NON-VIS image data stream of the NON-VIS images with a
recorded-image resolution and, as a result of combining the recorded NON-VIS images, generating a prepared SR (superresolution)
image with an output-image resolution with the output-image resolution being greater than the recorded-image resolution, wherein,
prior to combining the recorded NON-VIS images, establishing a transform for each of the NON-VIS images, by which the NON-VIS
images are registered with sub-pixel accuracy with respect to one another or with respect to a reference, wherein, prior to
combining the recorded NON-VIS images, assigning a point spread function to each of the NON-VIS images from a stored test
set of the point spread functions, with the point spread functions of the test set simulating an optical imaging process of
the camera for at least one of different recording directions or different recording positions, and the point spread function
corresponding to the respectively established transform being assigned to each of the recorded NON-VIS images, wherein the
test set stores the point spread functions which are separable, an energy function is optimized for a combination of the recorded
NON-VIS images, with the energy function being evaluated on NON-VIS images tentatively combined to form an SR image, the SR
image is varied during the optimization of the energy function and the point spread functions assigned to the NON-VIS images
are varied during the optimization of the energy function, by displacing a center of the respective point spread function,
and the registration with sub-pixel accuracy is established pixel-by-pixel and pixel values which deviate from the respectively
established registration by more than a predetermined threshold are masked in the respective NON-VIS image.

US Pat. No. 9,100,595

IMAGE PROCESSING METHOD AND THERMAL IMAGING CAMERA

Testo AG, Lenzkirch (DE)...

1. An image processing method for a sequence of IR images (10, 11), recorded by a thermal imaging camera (1), the sequence comprising at least a first IR image (10) and a second IR image (11), the first IR image (10) being assigned to a first instant, and the second IR image (11) being assigned to a second, later instant, the method comprising recording a first VIS image (19) in a visible spectral region with an additional VIS camera (4), of a scene at the first instant, recording a second VIS image (20) in the visible spectral region with the VIS camera (4), of the scene at the second instant, the first VIS image (19) being recorded simultaneously or virtually simultaneously with the first IR image (10), and the second VIS image (20) being recorded simultaneously or virtually simultaneously with the second IR image (11), selecting a first image region (14) in the first VIS image (19), extracting at least one feature from the first VIS image (19) for the first image region (14), determining and selecting a second image region (15) in the second VIS image (20) using at least one of a feature or pattern recognition algorithm such that for the selected second image region (15) a correspondence of at least one extracted feature to the at least one feature extracted in relation to the first image
region (14) is optimal, and determining by a comparison of an image position (16) of the first image region (14) in the first VIS image (19) with an image position (17) of the second VIS image region (15) in the second VIS image a VIS translation vector (18) that relates at least one pixel of the first IR image (10) to at least one pixel in the second IR image (11), and using a stored correspondence between the pixels of the first VIS image (19) and of the first IR image (10), or of the second VIS image (20) and the second IR image (11) in order to convert the VIS translation vector into a corresponding IR translation vector that relates at least one pixel
of the first IR image (10) to at least one pixel in the second IR image (11), and shifting the first IR image (10) relative to the second IR image (11) by the IR translation vector such that the pictures (12, 13) of the IR images (10, 11) are superposed,
wherein the sequence comprises a third IR image, the third IR image being assigned to a third instant that is later in time
than the second instant, a third VIS image of a scene is produced at the third instant, and there is selected in the second
VIS image (20) a new first image region that is derived from the previously determined second image region (15) of the second VIS image (20), for the new first image region at least one feature is extracted from the second VIS image (20), a new second image region is determined and selected in the third VIS image using the at least one of the feature or pattern
recognition algorithm such that for the selected new second image region a correspondence of at least one feature to the at
least one feature extracted in relation to the new first image region is optimal, and there is determined by a comparison
of the image position of the new first image region in the second VIS image (20) with the image position of the new second image region in the third VIS image a new IR translation vector that relates at
least one pixel of the second IR image (20) to at least one pixel in the third IR image.

US Pat. No. 9,857,232

DEVICE FOR NON-CONTACT TEMPERATURE MEASUREMENT AND TEMPERATURE MEASUREMENT METHOD

TESTO AG, Lenzkirch (DE)...

1. A device (1) for non-contact temperature measurement, comprising a detector (2) for detecting IR radiation from a measurement object (3), an angle measuring unit (5) by which at least one emission angle (6) of the detected IR radiation is measureable on a measurement region (9) of the measurement object (3), the at least one the emission angle (6) is given by the angle between a surface normal (7) of the measurement region (9) on the measurement object (3) and a recording direction (8, 14) or an IR-optical axis of the device (1), and an evaluation unit (13) designed for correcting the IR measurement values by attenuation of the IR radiation detected by the device, said attenuation
being governed by the at least one measured emission angle (6), wherein the angle measuring unit (5) is designed for calculating a distance information item (r1, r2, r3) assigned to a partial region (21) of a reference image (17) from the distance information item (r1, r2, r3) assigned to an image (20) of a recorded sequence (23) of images (17, 20) and from a calculated motion vector (24) describing a correlation between the image (20) and the reference image (17), or the angle measuring unit (5) is designed for at least approximately calculating a position of the measurement object (3) in a three dimensional space, said position being related to at least one of a recording position or the recording direction
(8) of the device (1), from the distance information items (r1, r2, r3) assigned to the partial region (21) of the measurement object.

US Pat. No. 9,282,663

ELECTRONIC DEVICE HAVING A WATERTIGHT HOUSING

Testo AG, Lenzkirch (DE)...

1. An electronic device comprising:
a housing that encloses an interior space tightly separating the interior space from an exterior;
a first volume formed inside the housing and sealed against gas and water from the exterior of the housing;
a second volume formed inside the housing, the second volume being separate from the first volume to prevent gas and water
from passing therebetween;

a watertight and gastight flexible membrane arranged to form a shared wall between the first and the second volume;
a watertight and gas-permeable membrane that couples the second volume with the exterior of the housing; and
a circuit board that carries electronic components, the circuit board being arranged in the first volume.

US Pat. No. 9,534,991

HANDHELD SAMPLING-REMOVAL HEAD, ANALYSIS ARRANGEMENT AND METHOD FOR CHARACTERIZING AN AEROSOL

TESTO AG, Lenzkirch (DE)...

1. A hand-held sampling head (1) for collecting a sample of an aerosol containing suspended particles, comprising a sampling line (2) and an integrated dilution unit (3) which is connected to the sampling line (2) and which has a dilution air inlet (4), the dilution unit (3) has a first element (6) with a first contact face (7) and a second element (8) with a second contact face (9), which are arranged to be movable relative to each other and which are in flat contact with each other via the respective
contact faces (7, 9), a sample channel (10) open toward the second element (8) is formed in the first element (6) in the first contact face (7) and is connected to the sampling line (2), a dilution air channel (11) open toward the second element (8) is formed in the first element (6) in the first contact face (7) and is connected to the dilution air inlet (4) and to a tube for a particle determination unit, and at least one receiving space (14) open toward the first element (6) is formed in the second element (8) in the second contact face (9) in such a way that the receiving space (14), during a relative movement (28) of the first element (6) with respect to the second element (8), is brought into connection successively with the sample channel (10) and with the dilution air channel (11), and the first element (6) and the second element (8) are made from ceramic, and the dilution air inlet (4) is connected to the first element (6) at one end of the dilution air channel (11) on a side of the first element (6) which faces away from the second element (8) and the tube for the particle determination unit is also connected to the dilution air channel (11) on the side of the first element (6) which faces away from the second element (8).

US Pat. No. 9,945,829

DEEP-FRYING DEVICE, PORTABLE DEEP-FRYING OIL MEASURING DEVICE, DEEP-FRYING DEVICE SET AND METHOD FOR MONITORING A DEEP-FRYING DEVICE

Testo AG, Lenzkirch (DE)...

1. A deep-frying device (2) comprising a deep-frying oil basin (3) which is set up to accommodate deep-frying oil (4), a stationary deep-frying oil sensor (5) which is set up to measure an electrical property of the deep-frying oil (4) accommodated in the deep-frying oil basin (3), and a stationary evaluation unit (6) which is connected to the stationary deep-frying oil sensor (5) and automatically converts a measurement signal from the stationary deep-frying oil sensor (5) into an evaluation variable for characterizing the deep-frying oil (4) by at least one characteristic curve stored in the stationary evaluation unit (6), wherein at least one reference point is defined in the at least one characteristic curve, and a receiving unit (17) is formed and provides a receiving data interface (8) for receiving a reference value for the reference point, wherein the receiving data interface (8) is set up for wireless data transmission, and the stationary evaluation unit (6) is configured for modifying the at least one stored characteristic curve to modify the at least one characteristic curve in such a manner that a characteristic curve value of the modified at least one characteristic curve at the reference point is the same as the reference value, and a plurality of characteristic curves assigned to different operating frequencies of the deep-frying oil sensor (5) are stored for use in the stationary evaluation unit (6).

US Pat. No. 9,658,115

TEMPERATURE MEASURING DEVICE, TEMPERATURE MEASURING DEVICE SET AND METHOD FOR CONFIGURING A TEMPERATURE MEASURING DEVICE THAT CAN BE OPERATED WITH A THERMOCOUPLE

Testo AG, Lenzkirch (DE)...

1. A temperature measuring device comprising at least two mating contact elements (11, 12) which are configured to each receive one contact element (9, 12) of a plugged-in thermocouple (2), wherein a first measurement sensor (13, 14) is arranged on at least one first mating contact element (11, 12) of the at least two mating contact elements (11, 12), a magnetic property of the contact element (9, 10), which is plug-connected to the first mating contact element (11, 12), being detectable using said first measurement sensor, and the first measurement sensor (13, 14) is readable by a drive unit (15), and the drive unit (15) provides a characteristic curve or a specific item of information about the plugged-in thermocouple (2) depending on an output signal from the first measurement sensor (13, 14).

US Pat. No. 9,767,855

METHOD FOR CREATING A 3D MODEL OF AN OBJECT AND CORRESPONDING MODEL CALCULATION DEVICE AND MODEL CALCULATION DEVICE

Testo AG, Lenzkirch (DE)...

1. A method for creating a detailed 3D model (20) of an object, comprising using a recording device (3), recording a first video data stream (4) comprising frames (26) from the object and transmitting the first video data stream to an external computing unit (10), and creating the detailed 3D model (30) from the frames (26) of the first video data stream (4) in the external computing unit (10), generating a reduced video data stream (13) from the frames (26) of the first video data stream (4) in a local computing unit (12) connected to the recording device (3), and creating an approximated 3D model (30) of the object from the reduced video data stream (13).

US Pat. No. 9,667,890

METHOD FOR VISUALIZING SPATIALLY-RESOLVED MEASUREMENT RESULTS AND CORRESPONDING MEASURING ARRANGEMENT

Testo AG, Lenzkirch (DE)...

1. A method for visualizing spatially resolved measurement results, comprising using a measuring unit (1) to establish a spatially resolved measurement result of an object (16) and obtaining a false-color image from the spatially resolved measurement result, and in order to generate the spatially
resolved measurement result, contactlessly measuring a surface temperature of the object (16) using invisible thermal radiation that is detected using a thermographic camera that captures a thermographic image of the
object, and projecting the false-color image that corresponds to the object onto the object (16) by a representation unit (3), wherein at least one of a color or brightness encoding is used for the false-color image, recording at least one of color
or brightness properties of the object in a visual wavelength with a camera unit at least periodically, and encoding by the
measuring unit taking into account of at least one of the color or brightness properties of the object (16) such that a conversion and data processing unit (2) automatically uses a different type of false-color representation or adapts locally at least one of a brightness or a color
of the projected false-color image such that a visible representation for a user is independent from a natural color of the
object being observed in a visual range of the spectrum.

US Pat. No. 10,176,628

METHOD FOR CREATING A 3D REPRESENTATION AND CORRESPONDING IMAGE RECORDING APPARATUS

Testo AG, Lenzkirch (DE)...

1. A method for creating a 3D representation with respect to a recording object, comprisingin a recording step (1), recording a sequence of individual images (2, 3) of the recording object from a plurality of camera poses (4),
in a feature detection step (5), applying a feature detection to the individual images (2, 3) in a computer-aided manner in order to identify image pixels as feature pixels (6, 7, 8, 9),
in a 3D calculation step (10) with respect to the feature pixels (6, 7, 8, 9), calculating the camera poses (4) and respective 3D points (11, 12) in a computer-aided manner,
in a fitting step (13) for the 3D points (11, 12) of the feature pixels (6, 7, 8, 9), fitting at least one geometric primitive (14) in a computer-aided manner,
in a plausibility check (15), at least one of checking or optimizing the at least one geometric primitive (14) as to whether or until a discrepancy between the individual images (2, 3) is determined,
in a representation step (16), outputting the geometric primitive (14) with a minimized discrepancy,
wherein one or more steps selected from the group of: the feature detection step (5), the 3D calculation step (10), the fitting step (13), or the plausibility check (15), are respectively performed until an end criterion is fulfilled,
wherein a functional dependence of parameters on a master parameter is kept available, and the master parameter is altered with respect to a renewed performance of one step or a plurality of steps from the group including the feature detection step (5), the 3D calculation step (10), the fitting step (13), or the plausibility check (15), and
a user input for selecting the master parameter as an external input to adjust a level of accuracy of the 3D representation.

US Pat. No. 10,557,872

MEASURING ARRANGEMENT AND METHOD FOR CONTACTLESS ELECTRIC CURRENT MEASUREMENT

Testo AG, Lenzkirch (DE)...

1. A measuring arrangement (1) for contactless electric current measurement, comprising:a measuring coil arrangement (2) having a first measuring coil (6) and a second measuring coil (7),
a compensating coil arrangement (3) having a first compensating coil (11) connected to one end of the first measuring coil (6) and a second compensating coil (13) connected to one end of the second measuring coil (7),
a first detection device (4) that detects common signals from the first and second measuring coils (6, 7) of the measuring coil arrangement (2) and the first and second compensating coils (11, 13) of the compensating coil arrangement (3),
a second detection device (5) that separately detects a signal of the first measuring coil (6) of the measuring coil arrangement (2),
an electric conductor receptacle (8),
the first and second measuring coils are located on mutually opposite sides (35, 36) of the electric conductor receptacle (8), and
the compensating coil arrangement (3) having a third compensating coil (12) and a fourth compensating coil (14), wherein the third compensating coil (12) being connected to an other end of the first measuring coil (6) from the first compensating coil (11), and the fourth compensating coil (14) being connected to an other end of the second measuring coil (7) from the second compensating coil (12).