Patents Assigned to DSP Group, Ltd.
  • Patent number: 10903806
    Abstract: An integrated circuit that includes a die with an active radio frequency (RF) unit embedded thereon; a first port for receiving an output signal from the active RF unit; a harmonic filter that comprises a first harmonic filter inductor; and a first RF inductive load that is electrically coupled to the first port and is magnetically coupled to the first harmonic filter inductor.
    Type: Grant
    Filed: September 18, 2016
    Date of Patent: January 26, 2021
    Assignee: DSP GROUP LTD.
    Inventors: Sergey Anderson, Ron Pongratz
  • Publication number: 20200409468
    Abstract: A true wireless headset that may include a housing, a microphone that is mechanically coupled to the housing, wherein the microphone is configured to detect sound and output detection signals indicative of the sound, a tap detector that is configured to receive a first representation of the detection signals, and to process the first representation of the detection signals to determine whether a user tapped on the housing; and at least one additional circuitry that is configured to respond to a determination that the user tapped on the housing.
    Type: Application
    Filed: June 8, 2020
    Publication date: December 31, 2020
    Applicant: DSP Group Ltd.
    Inventor: Nir Michael
  • Publication number: 20200351397
    Abstract: A method for receiving audio broadcasts during a digital enhanced cordless telecommunication (DECT) frame, the method may include (a) opening, during a DECT frame and by a portable point (PP) that is a potential recipient of the audio broadcasts from a fixed part (FP), multiple reception windows that are spaced apart from each other and are allocated to receive signals related to audio broadcast; (b) receiving received signals, by the PP and during the multiple spaced apart reception windows; and (c) processing, by the PP, the received signals.
    Type: Application
    Filed: April 29, 2020
    Publication date: November 5, 2020
    Applicant: DSP Group Ltd.
    Inventor: Otmar Rengert
  • Publication number: 20200313246
    Abstract: A coin cell powered device that includes a unit and one or more interfaces that are configured to interface between the unit, the cell coin and an external capacitor. The unit may include a regulator, a transmitter and a charge pump. The transmitter is configured to transmit signals during a transmission period while receiving power from the regulator, the power originated from the external capacitor. The charge pump is configured to perform, during a charging period, a charging process for charging the external capacitor to a charged voltage that exceeds a voltage of the cell coin, wherein the charging process may include iterations of (a) charging a charge pump capacitor by the coin cell, and (b) discharging the charge pump capacitor thereby charging the external capacitor. The capacitance of the charge pump capacitor is a fraction of a capacitance of the external capacitor. The duration of the charging period exceeds a duration of the transmission period.
    Type: Application
    Filed: March 4, 2020
    Publication date: October 1, 2020
    Applicant: DSP Group Ltd.
    Inventors: Assaf Ganor, Tzahi Shalit, Levi Schultz
  • Publication number: 20200292656
    Abstract: There may be provided a method for proximity sensing by a computerized device, the method may include transmitting, by at least one transmitter of a computerized device and during at least one transmission window, one or more transmitted signals, the one or more transmitted signals comprise a transmitted ultrasonic signal; operating at least one receiver of the computerized device to receive, during at least one reception window, one or more received signals that were reflected or scattered due to the transmitting; processing the received signals to provide a processing result, when receiving the received signals by the receiver during the at least one reception window; and determining a proximity of one or more objects to the computerized device based on at least one out of (a) an absence of received signals during the at least one receive window, and (b) the processing results
    Type: Application
    Filed: March 9, 2020
    Publication date: September 17, 2020
    Applicant: DSP Group Ltd.
    Inventor: Dmitry Lvov
  • Publication number: 20200273486
    Abstract: A method for voice detection, the method may include (a) generating an in-ear signal that represents a signal sensed by an in-ear microphone and fed to a feedback active noise cancellation (ANC) circuit; (b) generating at least one additional signal, based on at least one out of a playback signal and a pickup signal sensed by a voice pickup microphone; and (c) generating a voice indicator based on the in-ear signal and the at least one additional signal.
    Type: Application
    Filed: January 13, 2020
    Publication date: August 27, 2020
    Applicant: DSP Group Ltd.
    Inventors: Assaf Ganor, Ori Elyada
  • Patent number: 10733989
    Abstract: A method for proximity-based voice activation, the method may include sensing a voice command, detecting whether a person outputted the voice command while being in proximity to a voice activated device; determining whether to execute, by the voice activated device, the voice command based, at least in part, on the determination whether the person outputted the voice command while being in proximity to the voice activated device; and executing the voice command when determining to execute the voice command.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: August 4, 2020
    Assignee: DSP Group Ltd.
    Inventor: Uri Yehuday
  • Patent number: 10615751
    Abstract: An integrated circuit RF power amplifier that includes a substrate; a low power (LP) amplifier; a high-power (HP) amplifier; and an asymmetrical parallel-combining transformer. The substrate is configured to supports the LP amplifier, the HP amplifier and the asymmetrical parallel-combining transformer. The LP amplifier is configured to amplify a LP RF input signal to provide a LP amplified signal. The HP amplifier is configured to amplify a HP RF input signal to provide a HP amplified signal. The HP amplified signal has maximal intensity that exceeds a maximal intensity of the LP amplified signal.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: April 7, 2020
    Assignee: DSP Group Ltd.
    Inventors: Sergey Anderson, Nadav Snir
  • Patent number: 10609220
    Abstract: A gateway, computer program product and a method for accessing an IPA agent, the method may include (a) receiving, by the gateway and over a wired communication link, a request to initiate a phone call; (b) determining, by the gateway, whether to direct the phone call to the IPA agent or to another agent that differs from the IPA agent; (c) directing the phone call to the IPA agent when determining to direct the phone call to the IPA agent; and (d) directing the phone call to the other agent when determining to direct the phone call to the other agent.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: March 31, 2020
    Assignee: DSP Group Ltd.
    Inventors: Daniel Estrakh, Effi Shiri
  • Patent number: 10602274
    Abstract: Provided is a wearable audio input/output device. The wearable audio input/output device is provided with a frame, a first audio collection unit, a second audio collection unit, and a first speaker. The frame can be mounted to a user. The first audio collection unit is provided on the frame. The second audio collection unit is provided on the frame. The second audio collection unit is arranged such that the distance between the first audio collection unit and mouth of the user is less than the distance between the second audio collection unit and the mouth of the user. The first speaker is provided on the frame between the first audio collection unit and the second audio collection unit.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: March 24, 2020
    Assignees: Onkyo Corporation, DSP Group Ltd.
    Inventors: Yoshitada Takeshima, Dmitri Lvov, Yaakov Chen
  • Patent number: 10575330
    Abstract: A method for determining an attribute of a carrier sense multiple access with collision avoidance (CSMA/CA) scheme, the method may include receiving, by an interface of a wireless communication device, an input signal; calculating, by a processor of the wireless communication device, a strength of the input signal; and determining, by the processor, the attribute of the (CSMA/CA) scheme in response to the strength of the input signal.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: February 25, 2020
    Assignee: DSP Group Ltd.
    Inventor: Graham Alxander Smith
  • Patent number: 10467877
    Abstract: A method for monitoring, the method may include constantly operating, within one or more sensing periods, a microphone and a trigger sensor of a monitor that is installed in a vehicle, even when an processor of the monitor is asleep; receiving by the microphone, while the processor is asleep, initial audio signals; converting the initial audio signals to initial electrical signals representative of the initial audio signals; searching, by the trigger sensor and in the initial electrical signals, for a voice trigger that is related to a sound made by the baby; when finding the voice trigger then awakening the processor; searching, by the processor, for the sound made by the baby in at least one out of the initial audio signals, and following audio signals. When finding the sound made by the baby then executing a baby in vehicle response.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: November 5, 2019
    Assignee: DSP GROUP LTD.
    Inventors: Ofer Elyakim, Lior Blanka
  • Patent number: 10433060
    Abstract: There may be provided a system that may include a processor and an audio hub; wherein the audio hub may include first communication interfaces, a second communication interface, a processor, and a memory; wherein the first communication interfaces may be configured to exchange audio signals with a group of audio components of different types; wherein an aggregate number of first communication interface bits exceeds a number of second communication interface bits; wherein the audio signals may include input audio signals received from the group and output audio signals transmitted to the group; wherein the processor may be configured to generate an input multiplex of input audio signals; and wherein the second communication interface may be configured to transmit the input multiplex to the processor and to receive an output multiplex from the processor.
    Type: Grant
    Filed: April 29, 2018
    Date of Patent: October 1, 2019
    Assignee: DSP Group Ltd
    Inventors: Eran Feld, Fredy Rabin, Gad Molkho
  • Patent number: 10212683
    Abstract: A system may be provided and may include a trusted DECT device; and a DECT base station; wherein the trusted DECT device is arranged to send, to the DECT base station, registration allowable DECT device credentials; wherein the DECT base station is arranged to: receive from a requesting DECT device a request for registration of the requesting DECT device to the DECT base station; wherein the request comprises requesting DECT device credentials; register the requesting DECT device to the DECT base station if the requesting DECT device credentials match the registration allowable DECT device credentials; and prevent a registration of the requesting DECT device to the DECT base station if the requesting DECT device credentials differ from the registration allowable DECT device credentials.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: February 19, 2019
    Assignee: DSP GROUP LTD.
    Inventors: Jochen Kilian, Otmar Rengert
  • Patent number: 10109182
    Abstract: A method and a system for voice command conversion, the system may include one or more microphones for sensing a voice command for controlling an acoustically controlled device; one or more speech recognition units for identifying the voice command; an ultrasonic command generator for generating an ultrasonic command that represents the voice command; and one or more speakers for transmitting the ultrasonic command to the acoustically controlled device.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: October 23, 2018
    Assignee: DSP GROUP LTD.
    Inventor: Uri Yehuday
  • Patent number: 10034098
    Abstract: A MEMS speaker that includes a control unit and multiple MEMS elements that include a membrane positioned in a first plane, a blind that is positioned in a second plane and a shutter that is positioned in a third plane. The control unit is configured to control the multiple MEMS elements to operate in an audio output mode or an ultrasonic output mode. The MEMS speaker is configured, when operating in the ultrasonic output mode, to oscillate at least one of the membrane, blind and shutter thereby generating an ultrasonic signal without audio-modulating the ultrasonic signal. The MEMS speaker is configured, when operating in the audio output mode, to oscillate the membrane thereby generating the ultrasonic signal and oscillate at least one of the shutter and the blind thereby modulating the ultrasonic acoustic signal to generate an audio signal.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: July 24, 2018
    Assignee: DSP GROUP LTD.
    Inventors: Haim Kupershmidt, Lior Blanka
  • Patent number: 10020782
    Abstract: A biasing device for direct current (DC) biasing a linear power amplifier that comprises multiple linear power amplifier circuits that are ideally identical to each other; wherein the biasing device may include a replica circuit that is a replica of a linear power amplifier circuit of the multiple linear power amplifier circuits; and a bias control circuit; wherein the bias control circuit is configured to feed the replica circuit with one or more DC biasing signals thereby maintaining at a constant value a replica DC current that is consumed by the replica circuit, and maintaining at a fixed value a replica DC voltage of a replica output node of the replica circuit; and wherein the replica circuit is coupled the multiple linear power amplifier circuits and is configured to supply DC voltage bias signals that force each linear power amplifier circuit of the multiple linear power amplifier circuits to consume a linear power amplifier circuit DC current that equals the replica DC current, when the linear power
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: July 10, 2018
    Assignee: DSP GROUP LTD.
    Inventors: Avi Cohen, Ron Pongratz
  • Patent number: 9984705
    Abstract: Methods and systems are provided for receiving by a first electronic device audio content, determining audio quality of the received audio content, which includes measuring and/or estimating quality related parameters associated with the received audio content, and communicating the quality related parameters to a second electronic device, from which the audio content was transmitted. The quality related parameters may be used to control audio related functions in the second electronic device. The audio related functions may comprise noise reduction, noise suppression, cancellation, distortion reduction, equalization, compression, enhancement and/or audio rate conversion. Determining the audio quality of the received audio content may be based on one or more noise related thresholds. The quality related parameters may be communicated to the second electronic device over a dedicated control channel setup between the devices.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: May 29, 2018
    Assignee: DSP GROUP LTD.
    Inventor: Dotan Sokolov
  • Patent number: 9961441
    Abstract: Methods and systems are provided for enhancing listening intelligibility in electronic devices. A vibration sensor may be used to generate feedback corresponding to vibrations caused by the outputting of the acoustic signals, and the feedback may be used in adjusting the listening intelligibility stage. In some instances, a microphone may be used to obtain audio input corresponding to ambient noise affecting intelligibility of audio outputted, as acoustic signals, via a speaker, to a user. The audio input may be used to control a listening intelligibility stage applied to audio content when the acoustic signals are generated for outputting by the speaker. In particular, the listening intelligibility stage may comprise application of dynamic time-scale modifications.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: May 1, 2018
    Assignee: DSP Group Ltd.
    Inventor: Yaakov Chen
  • Patent number: 9866178
    Abstract: An integrated circuit that includes a die with an active radio frequency (RF) unit embedded thereon; a first port for receiving an output signal from the active RF unit; a harmonic filter that comprises a first harmonic filter inductor; and a first RF inductive load that is electrically coupled to the first port and is magnetically coupled to the first harmonic filter inductor.
    Type: Grant
    Filed: September 18, 2016
    Date of Patent: January 9, 2018
    Assignee: DSP GROUP LTD.
    Inventor: Sergey Anderson