Patents Assigned to Wiliot, LTD.
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Publication number: 20200228124Abstract: A local oscillator frequency-based proximity sensor is disclosed. The proximity sensor includes: an integrated circuit having at least a capacitive element; and an antenna designed with an inductive element; wherein the capacitive element and the inductive element form a proximity sensor oscillating at a local oscillator (LO) frequency, wherein the integrated circuit is configured to measure a frequency offset from the LO frequency, wherein the frequency offset is indicative of a detection of a nearby object.Type: ApplicationFiled: January 16, 2020Publication date: July 16, 2020Applicant: Wiliot, LTD.Inventors: Alon YEHEZKELY, Nir SHAPIRA
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Publication number: 20200227813Abstract: A multi-band energy harvesting system is provided. The system includes a plurality of harvesting antennas, wherein each of the plurality of harvesting antennas, operates a specific frequency band; and a plurality of harvesting units, wherein each of the plurality of harvesting units is coupled to a respective harvesting antenna and adapted to harvest energy at the specific frequency band of the respective harvesting antenna.Type: ApplicationFiled: March 18, 2019Publication date: July 16, 2020Applicant: Wiliot, LTD.Inventor: Alon YEHEZKELY
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Publication number: 20200218955Abstract: Disclosed include methods and devices for enabling a battery free Bluetooth low energy communication. Some embodiments include a transmitter and a reference voltage generator supplying a voltage to an oscillator circuit. Further, some embodiments include an oscillator circuit including two pairs of semiconductor devices, wherein each pair of a semiconductor device includes a device with a gate node coupled to an antenna positive node interface (Vop) via a capacitor and a drain connected to an antenna negative node interface (Von) and a device with a gate node coupled to an antenna positive node interface (Von) via a capacitor and a drain connected to an antenna negative node interface (Vop). Additionally, some embodiments include an oscillator circuit connected to a common mode feedback circuit.Type: ApplicationFiled: January 3, 2019Publication date: July 9, 2020Applicant: Wiliot, LTD.Inventors: Sagi KUPFERMAN, Alon YEHEZKELY
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Patent number: 10700718Abstract: An oscillator calibration circuit is provided. The oscillator calibration circuit includes a signal frequency detector for producing a reference signal from a received over-the-air signal detecting a frequency of the over-the-air signal; and a first frequency locking circuit (FLC) coupled to the signal frequency detector and to a first oscillator, wherein the first FLC calibrates the frequency of the first oscillator using the reference signal to a radio frequency (RF) carrier frequency, wherein the reference signal is utilized for calibrating the first oscillator based on the frequency of the detected over-the-air signal.Type: GrantFiled: July 18, 2019Date of Patent: June 30, 2020Assignee: WILIOT, LTD.Inventors: Nir Shapira, Shay Koren
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Patent number: 10658875Abstract: A power management circuit is provided. The power management circuit includes a plurality of detectors, wherein each of the plurality of detectors are configured with a different reference threshold voltage level; and a controller coupled to the plurality of detectors and configured to activate a subset of the plurality of detectors at any given time, wherein a subset of the plurality of detectors, when activated, are configured to provide a multi-level voltage level indication on a state of a voltage supply.Type: GrantFiled: October 31, 2018Date of Patent: May 19, 2020Assignee: Wiliot, Ltd.Inventors: Alon Yehezkely, Ido Yogev
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Publication number: 20200145804Abstract: A low-energy communication system includes at least one antenna; an energy harvester coupled to the at least one antenna and adapted to harvest energy from over-the-air signals; a first capacitor for storing the harvested energy; a system on chip (SoC) for allowing at least reception and transmission of wireless signals using a low-energy communication protocol; and wherein the energy harvester, the first capacitor, the SoC, are integrated in a semiconductor die, the die is placed on a substrate; and wherein the at least one antenna is included in the substrate.Type: ApplicationFiled: October 28, 2019Publication date: May 7, 2020Applicant: Wiliot, Ltd.Inventors: Yaron ELBOIM, Eylon GERSTEN
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Publication number: 20200065207Abstract: A system and method for analyzing power usage of an energy-aware computing system. A method includes monitoring executed machine code on a line-by-line basis; monitoring power consumption of each component of the energy-aware computing system simultaneous to the machine code monitoring; determining at least one routine executed by the energy-aware computing system based on the monitored executed machine code, wherein the at least one routine is a portion of machine code that performs a specific task within a larger set of instructions for the energy-aware computing system; and mapping the power consumption for each determined routine.Type: ApplicationFiled: August 20, 2019Publication date: February 27, 2020Applicant: Wiliot, Ltd.Inventors: Ido GELDMAN, Tomer AVRAHAMI, Yaron ELBOIM, Yuval AMRAN
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Publication number: 20200028530Abstract: An oscillator calibration circuit is provided. The oscillator calibration circuit includes a signal frequency detector for producing a reference signal from a received over-the-air signal detecting a frequency of the over-the-air signal; and a first frequency locking circuit (FLC) coupled to the signal frequency detector and to a first oscillator, wherein the first FLC calibrates the frequency of the first oscillator using the reference signal to a radio frequency (RF) carrier frequency, wherein the reference signal is utilized for calibrating the first oscillator based on the frequency of the detected over-the-air signal.Type: ApplicationFiled: July 18, 2019Publication date: January 23, 2020Applicant: Wiliot, Ltd.Inventors: Nir SHAPIRA, Shay KOREN
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Publication number: 20200019226Abstract: A system and method for executing a sequence of functions by at least one microcontroller operable in a battery-less internet of things (IoT) device. The IoT device includes: at least one microcontroller configured to execute one or more pre-programmed sequences; a sequencer configured to retrieve, from a cloud server, at least one flow, wherein the at least one flow indicates: an order of the pre-programmed sequences to be executed, and which of the at least one microcontroller are to execute each of the pre-programmed sequences; and an energy storage.Type: ApplicationFiled: July 12, 2019Publication date: January 16, 2020Applicant: Wiliot, Ltd.Inventors: Dotan ZIV, Eli SORIN
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Publication number: 20190372577Abstract: Oscillator calibration circuits and wireless transmitters including oscillator calibration circuits. An oscillator calibration circuit includes a first frequency locking circuit (FLC) coupled to a first oscillator, wherein the first FLC calibrates the frequency of the first oscillator using an over-the-air reference signal, wherein the first FLC calibrates the first oscillator prior to a data transmission session and remains free running during the data transmission session.Type: ApplicationFiled: May 31, 2018Publication date: December 5, 2019Applicant: Wiliot, LTD.Inventor: Alon YEHEZKELY
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Patent number: 10425261Abstract: Certain embodiments disclosed herein include a circuit for generating modulated backscattered sensory data. The circuit includes a sensor configured to produce sensory data in a format of a bitstream; a waveformer configured to generate a waveform signal (m(t)) compliant with a wireless protocol; a backscatter mixer configured to modulate each bit in the bitstream using the waveform signal; and a wakeup trigger configured to trigger the backscatter mixer in response to a reception of a packet from a first wireless device, wherein the modulated backscattered bitstream is being transmitted to a second wireless device.Type: GrantFiled: May 10, 2018Date of Patent: September 24, 2019Assignee: Wiliot, LTD.Inventors: Dotan Ziv, Yuval Domb
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Publication number: 20190131825Abstract: A power management circuit is provided. The power management circuit includes a plurality of detectors, wherein each of the plurality of detectors are configured with a different reference threshold voltage level; and a controller coupled to the plurality of detectors and configured to activate a subset of the plurality of detectors at any given time, wherein a subset of the plurality of detectors, when activated, are configured to provide a multi-level voltage level indication on a state of a voltage supply.Type: ApplicationFiled: October 31, 2018Publication date: May 2, 2019Applicant: Wiliot, Ltd.Inventors: Alon YEHEZKELY, Ido YOGEV
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Publication number: 20190018472Abstract: An energy-aware system, and method thereof are provided. The energy-aware system includes a microcontroller; an energy storage; a plurality of execution functions integrated in a system on chip (SoC); and a scheduler configured to schedule execution of operations based on available energy at the energy storage and energy requires to complete each of the operations.Type: ApplicationFiled: July 11, 2018Publication date: January 17, 2019Applicant: Wiliot, LTD.Inventors: Yaron ELBOIM, Dotan ZIV, Yuval AMRAN, Nir SHAPIRA
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Publication number: 20180331865Abstract: Certain embodiments disclosed herein include a circuit for generating modulated backscattered sensory data. The circuit includes a sensor configured to produce sensory data in a format of a bitstream; a waveformer configured to generate a waveform signal (m(t)) compliant with a wireless protocol; a backscatter mixer configured to modulate each bit in the bitstream using the waveform signal; and a wakeup trigger configured to trigger the backscatter mixer in response to a reception of a packet from a first wireless device, wherein the modulated backscattered bitstream is being transmitted to a second wireless device.Type: ApplicationFiled: May 10, 2018Publication date: November 15, 2018Applicant: Wiliot, LTD.Inventors: Dotan ZIV, Yuval DOMB