US Pat. No. 10,075,844

ENPOINT SECURITY APPLIANCE/SENSOR PLATFORM

PPIP LLC, Tempe, AZ (US)...

1. An apparatus for a portable communication device comprising:a. a housing assembly configured to at least partially attenuate at least one of acoustic and light energy, wherein the housing assembly is arranged to conform to the portable communication device;
b. at least one audio channel comprising a microphone and a speaker at least partially supported by the housing assembly, wherein the speaker is arranged to output sound derived from an input primarily provided from either the microphone or from a different audio source; and
c. a processor arranged to:
i. receive the input from the microphone and provide the input to the speaker or process the microphone input prior to providing to the speaker; and
ii. use a random seed value to generate a masking signal provided to the speaker in order to output masking sound that is played to one or more microphones of the portable communication device.

US Pat. No. 10,616,746

SYSTEM, DEVICE, AND METHOD FOR DISTRESS RESPONSE

PPIP, LLC, Tempe, AZ (US...

1. An apparatus comprising:a housing arranged to hold a second device;
one or more sensors, at least partially supported by the housing, operable to obtain a tactile input;
a communication interface, at least partially supported by the housing and connectable to the second device, operable to communicate with the second device; and
a controller, coupled to the communication interface and the one or more sensors, operable to direct the second device, through the communication interface, to generate a distress response in response to receiving the tactile input.

US Pat. No. 10,643,596

APPARATUS PROVIDING UNCORRELATED NOISE MASKING

PPIP, LLC, Tempe, AZ (US...

1. An apparatus comprising:a random number generator providing a random number sequence;
a key generator coupled to the random number generator to receive the random number sequence and synthesize the random number sequence to generate a plurality of keys; and
a plurality of randomizing chains coupled to the key generator, each receiving a corresponding key from the key generator, and each providing a respective discrete random number sequence based on the corresponding key;
two or more output devices, each of the two or more output devices is connected to a respective randomizing chain to receive the respective discrete random number sequence and produces a respective output noise signal based on a function of the respective discrete random number sequence, wherein each of the two or more output devices is mateable with one or more input devices of a second device; and
two or more interfaces mating the two or more output devices with the two or more input devices of the second device.

US Pat. No. 10,631,365

APPARATUS WITH DUAL SUBSCRIBER IDENTITY MODULE (SIM) INTERFACES

PPIP, LLC, Tempe, AZ (US...

1. An apparatus comprising:a housing arranged to hold a personal communication device;
a first subscriber identity module (SIM) interface;
a second SIM interface;
a personal communication device interface, a portion of which is shaped to mate with a SIM slot of the personal communication device inside the personal communication device, wherein the personal communication device interface includes a SIM emulator operable to couple the second SIM interface to the SIM slot of the personal communication device; and
a controller operable to detect a mode of operation and selectively couple one of the first SIM interface and the second SIM interface to the SIM slot of the personal communication device according to the mode of operation through operation of the personal communication device interface.

US Pat. No. 10,917,849

RADIO FREQUENCY (RF) POWER DETECTOR FOR ANTENNA MODE DETECTION

PPIP, LLC, Tempe, AZ (US...

1. A method comprising:at an apparatus including a housing arranged to hold a second device, a local communication device at least partially supported by the housing, and a controller coupled to the local communication device and connectable to a radio frequency (RF) power detector:
directing the RF power detector to monitor energy emitted from one or more antennas of the second device in response to determining that the second device has transitioned from a first mode of operation to a second mode of operation, wherein the second mode of operation is different from the first mode of operation in that the one or more antennas of the second device are disabled in the second mode of operation as compared to the first mode of operation;
receiving an indication from the RF power detector that energy has been emitted from the one or more antennas of the second device,
establishing, via the local communication device, a communication channel between the apparatus and the second device;
obtaining, through the communication channel, a communication status of the second device, wherein the communication status indicates that the second device is in the second mode of operation; and
reporting compromise of the second device in accordance with a determination that the communication status indicates that the second device is in the second mode of operation and that the energy has been emitted from the one or more antennas of the second device.

US Pat. No. 10,966,092

ACTIVE BASE APPARATUS

PPIP, LLC, Chandler, AZ ...

1. An apparatus comprising:a housing arranged to hold a personal communication device;
a peripheral interface supported by the housing, wherein the peripheral interface is connectable to a supplemental functional device;
a local communication device coupled to the peripheral interface and supported by the housing, wherein the local communication device includes a personal communication device interface modem operable to provide a communication channel between the peripheral interface and the personal communication device, wherein the personal communication device interface modem is connectable to a communication modem in the personal communication device; and
a controller coupled to the peripheral interface and the local communication device, wherein the controller is operable to manage the communication channel between the supplemental functional device and the personal communication device through the local communication device and the peripheral interface, including a local communication validation engine operable to validate operational integrity of the communication modem by obtaining a first characterization tuple of the communication modem and comparing the first characterization tuple of the communication modem with a verified characterization tuple.

US Pat. No. 10,757,507

SOUND SHAPING APPARATUS

PPIP, LLC, Tempe, AZ (US...

1. An apparatus comprising:a housing arranged to hold a second device;
an audio output device, arranged to output sound directed to an audio input device of the second device;
an audio coupling interface, coupled to the audio output device and mateable with the audio input device of the second device, arranged to provide part of an audio-sealing pathway connecting the audio output device and the audio input device of the second device when mated with the audio input device of the second device; and
a spectral shaper, coupled to the audio output device, operable to shape an audio signal into a shaped audio signal, wherein the shaped audio signal is selectively coupled to the audio output device.

US Pat. No. 11,024,143

AUDIO EVENTS TRACKING SYSTEMS AND METHODS

PPIP, LLC, Chandler, AZ ...

1. A method comprising:at a server including one or more processors and non-transitory memory, the server in communication with a plurality of active bases, wherein each of the plurality of active bases includes a controller, a housing arranged to hold a respective device, and one or more communication devices connectable to the respective device and the server;
receiving, from one or more of the plurality of active bases, data indicating that one or more audio sound patterns have been detected, wherein each of the one or more active bases transmits the data upon validating the respective device and determining whether a respective audio sound pattern in audio sound from a user environment satisfying one or more criteria has been detected, and each of the one or more active bases obtains audio data representing the audio sound from the respective device via a local communication device of the one or more communication devices;
aggregating the data from two or more of the plurality of active bases;
determining whether a same audio sound pattern is detected by the two or more of the plurality of active bases based on the aggregated data; and
transmitting a notification to each of the two or more of the plurality of active bases associated with the same audio sound pattern indicating a location of the same audio sound pattern upon determining that the same audio sound pattern has been detected by the two or more of the plurality of active bases.

US Pat. No. 10,878,795

AUDIO PATH SEALING

PPIP, LLC, Tempe, AZ (US...

1. An apparatus comprising:a first housing portion and a second housing portion arranged to receive and enclose one or more personal communication devices;
at least one sound attenuation layer, disposed in the second housing portion, the at least one sound attenuation layer absorbs sound;
a noise generator operable to provide uncorrelated noise signal streams, wherein the noise generator includes a random number generator operable to provide a random number sequence, a key generator coupled to the random number generator operable to receive the random number sequence and synthesize the random number sequence to generate a plurality of keys, and a plurality of randomizing chains coupled to the key generator, each is operable to receive a corresponding key from the key generator and provide a respective discrete random number sequence as a respective noise signal stream based on the corresponding key; and
one or more audio output devices, at least partially supported by the first housing portion and coupled to the noise generator to receive the uncorrelated noise signal streams, operable to output uncorrelated masking signals based on the uncorrelated noise signal streams and direct the uncorrelated masking signals at the one or more personal communication devices placed adjacent the at least one sound attenuation layer.

US Pat. No. 10,878,072

SYSTEMS AND METHODS FOR BIOMETRIC IDENTITY AND AUTHENTICATION

PPIP, LLC, Tempe, AZ (US...

1. A method comprising:at a device with one or more processors and a non-transitory memory storing instructions for execution by the one or more processors:
obtaining biometric data from a plurality of apparatuses, wherein a respective apparatus of the plurality of apparatuses receives a portion of the biometric data from a respective personal communication device held by a respective housing of the respective apparatus, and the respective personal communication device is insertable into and removeable from the respective housing;
extracting a plurality of feature vectors from the biometric data;
determining a plurality of identifiability scores correspondingly associated with the plurality of feature vectors, wherein each of the plurality of identifiability scores provides a quantitative characterization of a relative uniqueness of a corresponding one of the plurality of feature vectors; and
determining run-time authentication neural network parameters based on a function of the plurality of feature vectors, wherein the run-time authentication neural network parameters enable extraction of one or more feature vectors from biometric data of a particular user, and the run-time authentication neural network parameters are associated with the plurality of feature vectors determined to satisfy an error threshold.

US Pat. No. 11,115,815

RADIO FREQUENCY (RF) EMITTER DETECTOR

PPIP, LLC, Chandler, AZ ...


1. An apparatus comprising:a peripheral interface connectable to a second device, wherein the second device is operably connectable to a personal communication device and includes a housing arranged to hold the personal communication device, wherein the apparatus, the second device, and the personal communication device are distinct devices;
a radio frequency (RF) detection device operable to detect energy carrying a communication signal to or from the personal communication device; and
a controller coupled to the peripheral interface and the RF detection device, wherein the controller is operable to:
obtain SIM information, via the peripheral interface and the second device upon the apparatus being attached to the housing of the second device, from the personal communication device,
scan an RF spectrum of the communication signal, received by the RF detection device, in order to identify physical layer communication signal characteristics of communications associated with the personal communication device,
decode the communications associated with the personal communication device in accordance with the physical layer communication signal characteristics and the SIM information, and
generate a notification in accordance with a determination that abnormal activities exist in the identified physical layer communication signal characteristics of the communications, wherein the notification triggers interruption of the communication signal to or from the personal communication device upon identifying an RF energy burst through a comparison of energy detected by the RF detection device to a threshold.

US Pat. No. 11,115,075

SAFE CASE WITH SECURITY CHOKE POINT CONTROL

PPIP LLC, Chandler, AZ (...


1. A method comprising:at a first apparatus including a housing, a controller, a non-transitory memory, and one or more communication devices at least partially supported by the housing, wherein the housing is arranged to hold a second device that is distinct from the first apparatus:
receiving, by the first apparatus, a first input, wherein the first input is detected by a second sensor on the second device and a second input is detected by a first sensor on the first apparatus;
classifying the first input as a first input type based on an input type classification, wherein a respective input type in the input type classification corresponds to a plurality of inputs, and the second input also corresponds to the first input type, wherein the first input type comprises inputs associated with moving a mechanical part;
determining which of a combination of one or more sensors on the second device that the first input is directed to based on the input type classification and sensor assignments, wherein the sensor assignments specify each corresponding input type for a set of sensors on the second device; and
directing the second device to selectively enable or disable a first combination of the one or more sensors on the second device without intervening user inputs in accordance with determining that the first input corresponds to the first input type and the first input type corresponds to the first combination of the one or more sensors on the second device in the sensor assignments.

US Pat. No. 11,114,081

DEVICE AGNOSTIC AUDIO PATH SEALING

PPIP LLC, Chandler, AZ (...


1. An apparatus comprising:a first housing portion and a second housing portion, when mated, are arranged to enclose a personal communication device, and a surface of the second housing portion is arranged to impart pressure on the personal communication device toward the first housing portion;
a first supporting portion disposed along one side of the first housing portion and arranged to support the personal communication device;
a first liner disposed in the first housing portion and arranged to form a first cavity, wherein the first cavity is adjacent to the first supporting portion;
a noise generator operable to provide noise signal stream; and
a first audio output device coupled to the noise generator, at least partially supported by the first housing portion, operable to output first masking signals to the first cavity, wherein the first masking signals are generated based at least in part on the noise signal stream, the first liner includes at least one opening allowing passing of sound from the first audio output device to the first cavity, and the at least one opening is positioned proximate to an input device on the personal communication device.

US Pat. No. 11,070,983

ACTIVE CASE APPARATUS PROVIDING LOCAL OFF-DEVICE RESOURCES

PPIP, LLC, Chandler, AZ ...


1. An apparatus comprising:a housing arranged to hold a personal communication device;
at least one off-device resource supported by the housing, wherein the at least one off-device resource, including a remote communication interface, provides an alternate to at least one corresponding on-device resource, including a communication interface, integrated within the personal communication device, wherein the remote communication interface provides an alternative data transport with a secure remote server;
a local communication device coupled to the at least one off-device resource and supported by the housing, wherein the local communication device includes a local communication interface operable to provide a communication channel between the at least one off-device resource and the personal communication device; and
a controller coupled to the at least one off-device resource and the local communication device, wherein the controller is operable to facilitate resource scheduling between the at least one off-device resource and the corresponding at least one on-device resource through the communication channel, including extending the communication channel to the secure remote server and utilizing the remote communication interface to direct communications associated with the communication interface to the secure remote server via the communication channel.

US Pat. No. 11,057,705

VALIDATION OF AUDIO-SEALING PATHWAY

PPIP, LLC, Chandler, AZ ...


1. A method comprising:at an apparatus including a controller, a noise generator, a first audio output device, and a housing to receive a personal communication device, wherein the housing includes a first audio-seal providing a first audio-sealing pathway between the first audio output device and a corresponding first audio input device of the personal communication device, the first audio-seal covers the first audio input device when the apparatus holds the personal communication device, the method comprising,generating, by the noise generator, a first noise signal stream;
outputting, via the first audio output device, first noise masking signals based on the first noise signal stream towards the corresponding first audio input device of the personal communication device, wherein the first noise masking signals travel from the first audio output device towards the corresponding first audio input device of the personal communication device via a first audio-sealing pathway provided by the first audio-seal;
receiving, from an application on the personal communication device, a recorded representation of the first noise masking signals from the personal communication device, wherein the recorded representation of the first noise masking signals is a function of a transformation of the first noise signal stream, by the first audio-sealing pathway, and wherein the transformation characterizes a first audio transfer function of the first audio-sealing pathway; and
determining, by the controller, whether or not the first audio-sealing pathway satisfies an operational criterion based on the recorded representation of the first noise masking signals and a reference transfer function associated with the first audio-sealing pathway.