中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

112 records (took 0.014 seconds)

    POWER DENSITY CONTROL FOR WIRELESS POWER TRANSFER
    11.
    发明申请
    POWER DENSITY CONTROL FOR WIRELESS POWER TRANSFER 审中-公开
    用于无线电力传输的功率密度控制

    公开(公告)号：US20150326034A1

    公开(公告)日：2015-11-12

    申请号：US14805560

    申请日：2015-07-22

    Applicant: uBeam Inc.

    Inventor： Meredith Perry ,  Paul Reynolds ,  Sean Taffler ,  Andrew Joyce

    IPC: H02J5/00 ,  H02J7/02 ,  H04B11/00

    CPC classification number: H02J50/15 ,  B06B1/0207 ,  B06B2201/51 ,  G10K11/346 ,  G10K11/348 ,  H02J7/025 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90 ,  H04B11/00

    Abstract: A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.

    Abstract translation: 信号发生器产生发送到放大器的电信号，其使用来自电源的功率来增加信号的功率。 放大的信号被馈送到发送器换能器以产生可被聚焦并发送到接收器的超声波。 接收器传感器将超声波转换回电能并将其存储在诸如电池的能量存储装置中，或者使用电能来为设备供电。 以这种方式，可以将设备远程充电或供电，而无需连接到电源插座。

    Transducer Clock Signal Distribution
    14.
    发明申请
    Transducer Clock Signal Distribution 有权
    传感器时钟信号分配

    公开(公告)号：US20140281655A1

    公开(公告)日：2014-09-18

    申请号：US13834323

    申请日：2013-03-15

    Applicant: uBeam Inc.

    Inventor： Matthew Angle ,  Marc Berte

    IPC: G06F1/04

    CPC classification number: G06F1/10 ,  A61B8/44 ,  A61B8/4444

    Abstract: An array of ultrasonic transducers can be controlled to produce a steerable beam. Beam steering can be skewed by buffer delays in the distribution of a clock signal. The skew can be at least approximately linearized by distributing the clock signal in a diagonal fashion across an array of buffers corresponding to ultrasonic transducer controllers. Potential error in beam steering that can arise from clock skew can be corrected based on the linear tilt.

    Abstract translation: 可以控制一组超声换能器以产生可转向的梁。 光束转向可能会由于时钟信号分布中的缓冲区延迟而偏移。 通过在对应于超声换能器控制器的缓冲器阵列上以对角线方式分配时钟信号，可以至少近似地线性化​​偏斜。 可以根据线性倾斜来纠正由时钟偏移引起的波束转向中的电位误差。

    Power receiver circuit
    15.
    发明授权
    Power receiver circuit 有权

    公开(公告)号：US11108244B2

    公开(公告)日：2021-08-31

    申请号：US16687601

    申请日：2019-11-18

    Applicant: uBeam Inc.

    Inventor： Hong Gao ,  Jonathan Bolus

    IPC: H02J5/00 ,  H02J7/34 ,  H02J1/12 ,  H02J50/15 ,  H02J1/00 ,  H02J1/10 ,  H02M7/217 ,  H02M1/32 ,  H02M1/00 ,  H02J1/08

    Abstract: Systems and techniques are provided for a power receiver circuit. A power generating mechanism may include power generating elements that may generate alternating current signals. Rectifier circuit may include rectifiers that may generate a direct current signal from an alternating current signal, and diodes. Group circuits that may connect groups of rectifier circuits in electrical circuits to combine the direct current signals from the rectifier circuits in a group into a single direct current signal. A step down converter may be connected to the group circuits. The step down converter may convert a direct current signal to a direct current signal of a target voltage level. An output switch may be connected to the step down converter. A linear regulator may be connected to the step down converter. A microcontroller may be connected to the linear regulator and the output switch and may control the output switch.

    Beamforming for wireless power transfer
    16.
    发明授权
    Beamforming for wireless power transfer 有权

    公开(公告)号：US11005293B2

    公开(公告)日：2021-05-11

    申请号：US16298855

    申请日：2019-03-11

    Applicant: uBeam Inc.

    Inventor： Andrew Joyce ,  Rob Adamson ,  Dan MacDougall ,  Kate Latham ,  Josh Farrell

    IPC: H02J50/10 ,  H02J50/90 ,  H02J50/15 ,  H02J50/80 ,  H02J50/20 ,  H02J7/02

    Abstract: Systems and techniques are provided for beamforming for wireless power transfer. A phase/amplitude map for a notional field in a plane of an aperture of the second wireless power transfer device may be determined. A Fourier transform may be performed on the phase/amplitude map for the notional field to generate a spatial frequency representation of the notional field. A phase/amplitude map for a second notional field in a plane of an aperture of the first wireless power transfer device may be determined based on the spatial frequency representation of the notional field and the position of the second wireless power transfer device. Control signals for transducer elements of the first wireless power transfer device may be generated based on the determined phase/amplitude map for the second notional field. The control signals for the transducer elements may be supplied to the transducer elements.

    ELONGATED POLYGON-SHAPED ELECTRICALLY ACTIVE MATERIAL LAYER FOR ULTRASONIC TRANSDUCER
    19.
    发明申请
    ELONGATED POLYGON-SHAPED ELECTRICALLY ACTIVE MATERIAL LAYER FOR ULTRASONIC TRANSDUCER 审中-公开

    公开(公告)号：US20190321854A1

    公开(公告)日：2019-10-24

    申请号：US15961205

    申请日：2018-04-24

    Applicant: uBeam Inc.

    Inventor： Iman Shahosseini ,  Zuki Tanaka

    IPC: B06B1/06 ,  G10K13/00

    Abstract: An apparatus of the disclosure is directed to an elongated polygon-shaped transducer elastic layer having a first plurality of edges, a first plurality of vertices, and a first electrical connection at one of the first plurality of vertices. The apparatus includes an elongated polygon-shaped electrically active material layer having a second plurality of edges, a second plurality of vertices, and a second electrical connection at one of the second plurality of vertices, where the elongated polygon-shaped electrically active material layer is disposed on the elongated polygon-shaped transducer elastic layer to transform electrical excitation into a high-frequency vibration to produce ultrasonic acoustic emissions or transform received high-frequency acoustic vibration into electrical signals. The elongated polygon-shaped transducer elastic layer and the elongated polygon-shaped electrically active material layer may be hexagonal.

    CONICAL STRUCTURE AND ULTRASONIC TRANSDUCER
    20.
    发明申请
    CONICAL STRUCTURE AND ULTRASONIC TRANSDUCER 审中-公开

    公开(公告)号：US20190321852A1

    公开(公告)日：2019-10-24

    申请号：US15961087

    申请日：2018-04-24

    Applicant: uBeam Inc.

    Inventor： Iman Shahosseini ,  Zuki Tanaka

    IPC: B06B1/06 ,  G10K13/00

    Abstract: An apparatus of the disclosure is directed to conical structure of an ultrasonic transducer. The conical structure may have a first circumference and a second circumference, respectively located at opposite ends of the conical structure, where the first circumference has a greater length than the second circumference. An angle may be formed between a plane including the second circumference and a surface of the conical structure, and a distance may be formed between the first and second circumferences. A rim may be coupled at or adjacent to the first circumference of the conical structure. An ultrasonic transducer may be coupled to the second circumference of the conical structure.

Patent Agency Ranking