Patents by Inventor Hamed Rahmani

Hamed Rahmani has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12062926
    Abstract: Systems and methods for utilizing a small form-factor, wirelessly powered transceiver are disclosed. In one embodiment, a wireless powered transceiver includes a receive antenna configured to receive a receive signal, a transmit antenna configured to transmit a transmit signal, a power harvesting system including a rectifier circuit configured convert radio frequency energy from the receive signal into DC (direct current) voltage, and a power management unit (PMU) configured to set the operating mode and biasing condition of the receive and transmit circuitry blocks and provide DC voltage from the receive circuitry block to the transmit circuitry block to maintain a minimum voltage, a receiver circuitry block configured to provide energy from the receive signal to the power harvesting system, and a transmitter circuitry block including a data modulator circuit, the data modulator circuit configured to generate the transmit signal using DC voltage received from the power management unit.
    Type: Grant
    Filed: September 6, 2022
    Date of Patent: August 13, 2024
    Assignee: The Regents of the University of California
    Inventors: Aydin Babakhani, Hamed Rahmani, Hidemasa Mitsui
  • Publication number: 20240146115
    Abstract: Systems and methods for utilizing a small form-factor, wirelessly powered transceiver are disclosed. In one embodiment, a wireless powered transceiver includes a receive antenna configured to receive a receive signal, a transmit antenna configured to transmit a transmit signal, a power harvesting system including a rectifier circuit configured convert radio frequency energy from the receive signal into DC (direct current) voltage, and a power management unit (PMU) configured to set the operating mode and biasing condition of the receive and transmit circuitry blocks and provide DC voltage from the receive circuitry block to the transmit circuitry block to maintain a minimum voltage, a receiver circuitry block configured to provide energy from the receive signal to the power harvesting system, and a transmitter circuitry block including a data modulator circuit, the data modulator circuit configured to generate the transmit signal using DC voltage received from the power management unit.
    Type: Application
    Filed: December 20, 2023
    Publication date: May 2, 2024
    Applicant: The Regents of the University of California
    Inventors: Aydin Babakhani, Hamed Rahmani, Hidemasa Mitsui
  • Publication number: 20240115183
    Abstract: Systems and method for wireless recording system-on-chips for distributed neural interface systems with inductive power delivery and UWB data transmission are described. In an embodiment, the system includes an implantable neural interface including: an electrode array having several electrodes; front end circuitry including: one or more digital components, and at least one amplifier coupled to a first electrode and a second electrode of the electrode array, wherein the amplifier and the first electrode and the second electrode form a sensing channel configured to sense electrical activity; and a transceiver including: several digital components; a power harvesting system that receives RF energy through a wireless power link; and a wireless clock receiver that provides a clock signal to the one or more digital components of the front end circuitry and the several digital components of the transceiver.
    Type: Application
    Filed: December 20, 2021
    Publication date: April 11, 2024
    Applicant: The Regents of the University of California
    Inventors: Hamed Rahmani, Aydin Babakhani
  • Publication number: 20230224682
    Abstract: Distributed wireless sensor networks are described. In an embodiment, a distributed wireless sensor network (WSN) system includes: a set of wirelessly powered microchips, and a radio frequency (RF) transceiver, wherein the RF transceiver is configured to transmit RF signals, several of the set of wirelessly powered microchips is configured to be activated when placed in proximity to the RF transceiver transmitting RF signals, each of the several sets of wirelessly powered microchips is configured to radiate back a signal, and the signals radiated by the set of wirelessly powered microchips is coherent in phase and frequency to the RF transceiver.
    Type: Application
    Filed: April 26, 2021
    Publication date: July 13, 2023
    Applicant: The Regents of the University of California
    Inventors: Hamed Rahmani, Aydin Babakhani
  • Publication number: 20230081364
    Abstract: Systems and methods for utilizing a small form-factor, wirelessly powered transceiver are disclosed. In one embodiment, a wireless powered transceiver includes a receive antenna configured to receive a receive signal, a transmit antenna configured to transmit a transmit signal, a power harvesting system including a rectifier circuit configured convert radio frequency energy from the receive signal into DC (direct current) voltage, and a power management unit (PMU) configured to set the operating mode and biasing condition of the receive and transmit circuitry blocks and provide DC voltage from the receive circuitry block to the transmit circuitry block to maintain a minimum voltage, a receiver circuitry block configured to provide energy from the receive signal to the power harvesting system, and a transmitter circuitry block including a data modulator circuit, the data modulator circuit configured to generate the transmit signal using DC voltage received from the power management unit.
    Type: Application
    Filed: September 6, 2022
    Publication date: March 16, 2023
    Applicant: The Regents of the University of California
    Inventors: Aydin Babakhani, Hamed Rahmani, Hidemasa Mitsui
  • Patent number: 11515733
    Abstract: Systems and methods for utilizing a small form-factor, wirelessly powered transceiver are disclosed. In one embodiment, a wireless powered transceiver includes a receive antenna configured to receive a receive signal, a transmit antenna configured to transmit a transmit signal, a power harvesting system including a rectifier circuit configured convert radio frequency energy from the receive signal into DC (direct current) voltage, and a power management unit (PMU) configured to set the operating mode and biasing condition of the receive and transmit circuitry blocks and provide DC voltage from the receive circuitry block to the transmit circuitry block to maintain a minimum voltage, a receiver circuitry block configured to provide energy from the receive signal to the power harvesting system, and a transmitter circuitry block including a data modulator circuit, the data modulator circuit configured to generate the transmit signal using DC voltage received from the power management unit.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: November 29, 2022
    Assignee: The Regents of the University of California
    Inventors: Aydin Babakhani, Hamed Rahmani, Hidemasa Mitsui
  • Publication number: 20220158497
    Abstract: Systems and methods for utilizing a small form-factor, wirelessly powered transceiver are disclosed. In one embodiment, a wireless powered transceiver includes a receive antenna configured to receive a receive signal, a transmit antenna configured to transmit a transmit signal, a power harvesting system including a rectifier circuit configured convert radio frequency energy from the receive signal into DC (direct current) voltage, and a power management unit (PMU) configured to set the operating mode and biasing condition of the receive and transmit circuitry blocks and provide DC voltage from the receive circuitry block to the transmit circuitry block to maintain a minimum voltage, a receiver circuitry block configured to provide energy from the receive signal to the power harvesting system, and a transmitter circuitry block including a data modulator circuit, the data modulator circuit configured to generate the transmit signal using DC voltage received from the power management unit.
    Type: Application
    Filed: November 23, 2021
    Publication date: May 19, 2022
    Applicant: The Regents of the University of California
    Inventors: Aydin Babakhani, Hamed Rahmani, Hidemasa Mitsui