34 patents
Utility
Active Noise Cancelling System
1 Dec 22
An active noise cancelling system (20) comprising: an earphone (8′) comprising: an electro-acoustic driver (11); and at least one sensing microphone (12, 13); tunable active noise cancelling circuitry (7) operative to receive a signal from the at least one sensing microphone (12, 13), the tunable active noise cancelling circuitry (7) being pre-configured in a standard tuning for a reference ear and comprising at least one noise-control filter (14, 15); and a tuning module (24) operative to configure the earphone (8′) for an individual wearer by: comparing acoustic coupling of the earphone (8′) to the individual wearer's ear with acoustic coupling to the reference ear to determine a deviation in acoustic coupling; and using the determined deviation in acoustic coupling to modify the tunable active noise cancelling circuitry (7) by a predetermined degree based on the determined deviation in acoustic coupling.
Paul Darlington
Filed: 30 Oct 20
Utility
Low noise amplifier with improved linearity in low gain mode
16 Aug 22
A low noise amplifier that includes a first cascode, a second cascode, an input circuit, an output node, a first switch, and a second switch.
Sergey Anderson
Filed: 31 Aug 20
Utility
Interacting with a true wireless headset
14 Jun 22
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.
Nir Michael
Filed: 8 Jun 20
Utility
System and a method for transmission of audio signals
5 Apr 22
A method and a voice processor that includes (i) an input that is configured to receive of audio signals that represent audio, (ii) a wake word detection circuit, (iii) a first buffer that is configured to store at least wake word signals and prebuffer signals, and (iv) a communication module that is configured to (a) output, over an interrupt port, an interrupt request to an application processor, following a detection of the wake word signals, (b) following an acceptance of the application processor to receive content, access the first buffer and retrieve the prebuffer signals and the wake word signals; and (b) output the content, over the I2S port, to the application processor.
Avi Keren
Filed: 6 Mar 19
Utility
Interface to leaky spiking neurons
1 Feb 22
A processor, that may include at least one neural network that comprises at least one leaky spiking neuron; wherein the at least one leaky spiking neuron is configured to directly receive an input pulse density modulation (PDM) signal from a sensor; wherein the input PDM signal represents a detected signal that was detected by the sensor; and wherein the at least one neural network is configured to process the input PDM signal to provide an indication about the detected input signal.
Moshe Haiut
Filed: 28 Jun 18
Utility
Voice detection
11 Jan 22
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.
Assaf Ganor, Ori Elyada
Filed: 13 Jan 20
Utility
Multiply and accumulate (MAC) unit and a method of adding numbers
2 Nov 21
A method and a MAC unit that may include accumulation unit and a multiplier.
Moshe Haiut, Assaf Ganor
Filed: 21 Jun 19
Utility
Electrostatic speaker and a method for generating acoustic signals
19 Oct 21
A micro-electro-mechanical system (MEMS) electrostatic speaker that comprises an array of cells, wherein each cell comprises an upper stator, a membrane, a lower stator and supporting elements configured to support the upper stator, the membrane and the lower stator; wherein a distance between the upper stator and the lower stator of each cell is of microscopic scale.
Haim Kuperschmidt, Gabriel Seiden, Igor Sokolov, Aviad Zamir
Filed: 30 Jul 19
Utility
Digital enhanced cordless telecommunications system and method
21 Sep 21
A DECT system and a method for communicating between a DECT fixed point and multiple DECT portable points.
Nir Kalfus, Haim Ben-Sinior, Otmar Rengert
Filed: 7 May 19
Utility
Noise cancellation
14 Sep 21
A method for noise cancellation, the method may include detecting a voice trigger or receiving an indication regarding an occurrence of a voice trigger; searching, based at least on a timing of occurrence of the voice trigger, for at least one of a noise-period and a voice-period; when finding a noise period then updating one or more noise parameters based on one or more features of sensed audio signals received during the noise period; when finding a voice period then updating one or more voice parameters based on one or more features of sensed audio signals received during the voice period; estimating, based on the one or more noise parameters and the one or more voice parameters, a probability that voice is present at one or more subsequent periods; and cancelling noise at the one or more subsequent periods, based on the voice presence probability.
Adoram Erell
Filed: 19 Jun 19
Utility
Transmit Receive Radio Frequency Switch
26 Aug 21
A TX/RX RF switch that may include a reception path; and a transmission path that has an antenna port, a transmission input port, and transmission transistors.
Sergey Anderson, Nadav SNIR
Filed: 4 Jan 21
Utility
In-ear Detection Utilizing Earbud Feedback Microphone
12 Aug 21
A method for in-ear detection, the method may include transmitting test signals, by a speaker of an earbud, during a test period, and while the earbud is operating at a first operational mode, wherein the test signals comprise at least one first test signal within a first frequency range, at least one second test signal within a second frequency range, and at one third test signal within a third frequency range; wherein the first frequency range, the second frequency range and the third frequency range differ from each other and are within a human auditory range; generating, by a feedback microphone of the earbud, sensed information that is indicative of audio signals sensed by the feedback microphone as a result of the transmitting of the test signals; and determining whether the earbud is located within an ear of a person, wherein the determining is based on the sensed information and a reference out of ear spectrum.
Gabriel Seiden
Filed: 5 Feb 21
Utility
Neural cell and a neural network
10 Aug 21
A neural network that may include multiple layers of neural cells; wherein a certain neural cell of a certain layer of neural cells may include a first plurality of one-bit inputs; an adder and leaky integrator unit; and an activation function circuit that has a one-bit output; wherein the first plurality of one-bit inputs are coupled to a first plurality of one-bit outputs of neural cells of a layer that precedes the certain layer; wherein the adder and leaky integration unit is configured to calculate a leaky integral of a weighted sum of a number of one-bit pulses that were received, during a time window, by the first plurality of one-bit inputs; and wherein the activation function circuit is configured to apply an activation function on the leaky integral to provide a one-bit output of the certain neural cell.
Moshe Haiut
Filed: 23 Jan 18
Utility
Post-training Control of the Bias of Neural Networks
5 Aug 21
A method for controlling a bias of a neural network, the method may include training the neural network by using a loss function that is responsive to classes of a classification process and sensitivity input values thereby setting the bias.
Dimitri Lvov, Maor Shliefer, Uri Tuval
Filed: 4 Jan 21
Utility
Automatic Frequency Shift Compensation (Afsc) In Resonant Tank Circuits Over the Process Variation
17 Jun 21
A low noise amplifier that may include a first input port, a second input port, a first capacitor, a second capacitor, a first variable capacitor, a second variable capacitor, an inductor, a bias circuit, a tuning circuit, a first output circuit having a first output, a second output circuit having a second output; wherein the first input port is electrically coupled to a first end of the second variable capacitor, to a first end of the first capacitor, to an input of the first output circuit, and to a first port of the inductor; wherein the second input port is electrically coupled to a second end of the first variable capacitor, to a second end of the second capacitor, to an input of the second output circuit, and to a second port of the inductor; wherein a first port of the first varactor is electrically coupled to a second end of the first capacitor; wherein a second port of the second varactor is electrically coupled to a first end of the second capacitor; wherein the bias circuit is configured to supply a bias voltage to a third port of the inductor; and wherein the tuning circuit is configured to control a capacitance of the first varactor and a capacitance of the variable capacitor.
Sergey Anderson
Filed: 24 Nov 20
Utility
True Wireless Stereo System and Method
10 Jun 21
A wireless audio system that may include a first wireless transceiver that is configured to receive audio information from an audio source over a bi-directional wireless link; a second wireless transceiver that is configured to sniff audio information sent over the bi-directional wireless link; and wherein the first and second wireless transceivers are configured to share sniff enabling information, over a shared link and before an establishment of the bi-directional wireless link.
Dotan Sokolov, Shlomi Cohen, Venkatesh Gangaiah
Filed: 13 Nov 20
Utility
Enhanced vehicle key
4 May 21
A enhanced vehicle key and a method for voice activation, the method may include supplying power to a low power trigger sensor of a enhanced vehicle key, by a power source of the enhanced vehicle key; wherein the supplying of power is preceded by powering the enhanced vehicle key while a part of the enhanced vehicle key is positioned within an ignition switch of a vehicle; detecting, by the low power trigger sensor, a voice trigger; awakening, following the detection, a processor of the enhanced vehicle key; searching, by the processor, for a voice command; and when finding the voice command then executing the voice command.
Ofer Elyakim, Tali Chen, Lior Blanka
Filed: 19 Feb 19
Utility
Adjusting a Pruned Neural Network
25 Mar 21
A method for adjusting a pruned neural network, the method may include adjusting weights of the pruned neural network to provide an adjusted neural network.
TOMER MALACH
Filed: 26 Aug 20
Utility
Low Noise Amplifier with Improved Linearity In Low Gain Mode
25 Mar 21
A low noise amplifier that includes a first cascode, a second cascode, an input circuit, an output node, a first switch, and a second switch.
Sergey Anderson
Filed: 31 Aug 20
Utility
Radio frequency circuitr having an integrated harmonic filter and a radio frequency circuit having transistors of different threshold voltages
26 Jan 21
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.
Sergey Anderson, Ron Pongratz
Filed: 18 Sep 16