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51.发明申请公开(公告)号：US20220247236A1
公开(公告)日：2022-08-04
申请号：US17164528
申请日：2021-02-01
申请人： NuCurrent, Inc.
摘要： A wireless receiver and transmission systems include a receiver antenna, a sensor, a demodulation circuit, and a controller. The sensor is configured to detect electrical information superimposed on an AC wireless signal. The demodulation circuit is configured to receive the electrical information from the at least one sensor, apply automatic bias control and gain control to generate modified electrical information, detect a change in the modified electrical information and determine if the change in the modified electrical information meets or exceeds one of a rise threshold or a fall threshold. If the change exceeds one of the rise threshold or the fall threshold, an alert is generated. Alerts are decoded into the electrical information.
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公开(公告)号：US20220239343A1
公开(公告)日：2022-07-28
申请号：US17161249
申请日：2021-01-28
申请人： NuCurrent, Inc.
发明人： Mark Melone , Michael Katz
摘要： Wireless power transfer systems, disclosed, include a wireless power transmission system and a wireless power receiver system. The wireless power transmission system includes a transmitter antenna configured to couple with a receiver antenna to transmit alternating current (AC) wireless signals to the receiver antenna. Antenna coupling may be inductive and may operate in conformance to a wireless power and data transfer protocol. A transmission controller drives the transmitter antenna at an operating frequency, and either the wireless power transmission system or the wireless power receiver system may damp the wireless power transmission to create a data signal containing a serial asynchronous data signal.
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公开(公告)号：US20220239342A1
公开(公告)日：2022-07-28
申请号：US17161248
申请日：2021-01-28
申请人： NuCurrent, Inc.
发明人： Alberto Peralta , Pavel Shostak
摘要： Wireless power transfer systems, disclosed, include one or more circuits to facilitate high power transfer at high frequencies. Such wireless power transfer systems include a damping circuit, configured to dampen a wireless power signal such that communications fidelity is upheld at high power. The damping circuit includes at least a damping transistor that is configured to receive, from the transmitter controller, a damping signal for switching the transistor to control damping during transmission of the wireless data signals. Utilizing such systems enables wireless power transfer at high frequency, such as 13.56 MHz, at voltages over 1 Watt, while maintaining fidelity of in-band communications associated with the higher power wireless power signal.
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公开(公告)号：US20220239338A1
公开(公告)日：2022-07-28
申请号：US17161234
申请日：2021-01-28
申请人： NuCurrent, Inc.
发明人： Alberto Peralta , Jason Luzinski
摘要： A method for operating a wireless power transmission system includes providing a driving signal for driving a transmission antenna, the driving signal based, at least, on an operating frequency for the wireless power transmission system. The method includes receiving, by at least one transistor of an amplifier of the wireless power transmission system, the driving signal at a gate of the at least one transistor and inverting a direct current (DC) input power signal to generate an AC wireless signal at the operating frequency. The method includes receiving, at a damping transistor of a damping circuit, damping signals for switching the damping transistor to control signal damping during transmission or receipt of wireless data signals in-band of the AC wireless signal. The method includes selectively damping, by the damping circuit, the AC wireless signals, during transmission of the wireless data signals, based, at least in part, on the damping signals.
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公开(公告)号：US20220239337A1
公开(公告)日：2022-07-28
申请号：US17161232
申请日：2021-01-28
申请人： NuCurrent, Inc.
发明人： Alberto Peralta , Pavel Shostak
摘要： Wireless power transfer systems, disclosed, include one or more circuits to facilitate high power transfer at high frequencies. Such wireless power transfer systems include a damping circuit, configured to dampen a wireless power signal such that communications fidelity is upheld at high power. The damping circuit includes at least a damping transistor that is configured to receive, from the transmitter controller, a damping signal for switching the transistor to control damping during transmission of amplitude shift keying (ASK) wireless data signals. Utilizing such systems enables wireless power transfer at high frequency, such as 13.56 MHz, at voltages over 1 Watt, while maintaining fidelity of in-band communications associated with the higher power wireless power signal.
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56.发明申请公开(公告)号：US20220231545A1
公开(公告)日：2022-07-21
申请号：US17588531
申请日：2022-01-31
申请人： NuCurrent, Inc.
发明人： Jason Green , Andrew Kovacs , Mark Melone , Md Nazmul Alam
摘要： A power transmitter for wireless power transfer includes a control and communications unit configured to provide power control signals to control a power level of a power signal configured for transmission to a power receiver and including a pulse width modulation (PWM) signal generator for determining and selecting the operating frequency from the operating frequency range. The power transmitter further includes an inverter circuit configured to receive a direct current (DC) power and convert the input power to a power signal, coil configured to transmit the power signal to a power receiver, the coil formed of wound Litz wire and including at least one layer, the coil defining, at least, a top face, and a shielding comprising a ferrite core and defining a cavity, the cavity configured such that the ferrite core substantially surrounds all but the top face of the coil.
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公开(公告)号：US20220200345A1
公开(公告)日：2022-06-23
申请号：US17132898
申请日：2020-12-23
申请人： NuCurrent, Inc.
发明人： Md Nazmul Alam
摘要： A power transmitter for wireless power transfer at an operating frequency selected from a range of about 87 kilohertz (kHz) to about 360 kHz is disclosed. The power transmitter includes a control and communications unit and an inverter circuit configured to receive input power and convert the input power to a power signal. The power transmitter further includes a coil configured to transmit the power signal to a power receiver, the coil formed of wound Litz wire and including at least one layer. The power transmitter further includes a shielding comprising a magnetic backing and a magnetic wall, the magnetic wall and magnetic backing defining a cavity, the magnetic wall including a top surface, the cavity extending, at least, from the magnetic backing to the coil, the coil positioned proximate to the top surface.
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公开(公告)号：US11342962B2
公开(公告)日：2022-05-24
申请号：US17145699
申请日：2021-01-11
申请人： NuCurrent, Inc.
发明人： Michael H. Katz
IPC分类号： H04B1/38 , H04L27/00 , H03K7/08 , H01F27/42 , G05B11/01 , H04B5/00 , H02J50/12 , H02J50/80 , H02J50/20
摘要： A system for wireless communications includes an antenna and a controller, the antenna configured to transmit electrical data signals, the electrical data signals including an encoded message signal. The encoded message signal including one or more encoded message words. The controller is configured to encode one or more message words, of a message signal, into one or more encoded message words of the encoded message signal, based on a coding format. The coding format correlates each of a plurality of correlated ratios with one of a plurality of format words. Each of the plurality of correlated ratios is a ratio of a duty cycle of a pulse to a respective period associated with one or both of the duty cycle and the pulse. Each of the one or more encoded message words are encoded as one of the plurality of correlated ratios.
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公开(公告)号：US11335999B2
公开(公告)日：2022-05-17
申请号：US16706407
申请日：2019-12-06
申请人： NUCURRENT, INC.
发明人： Vinit Singh , Christine A. Frysz
IPC分类号： H01Q1/38 , H01R43/00 , H01F7/06 , H02J7/02 , H02J50/12 , A61N1/05 , A61N1/372 , A61N1/378 , H01F38/14 , H04B5/00 , H01F27/28 , H01F29/02 , H05B6/06 , H05B6/36 , H01F5/00 , H01F17/00 , H01F41/04 , H05B6/12 , H01F41/00 , H01Q7/00 , H02P13/00 , H03H7/01 , B33Y80/00 , A61N1/375 , H05K1/16 , A61N1/36
摘要： A structure for wireless communication having a plurality of conductor layers, an insulator layer separating each of the conductor layers, and at least one connector connecting two of the conductor layers wherein an electrical resistance is reduced when an electrical signal is induced in the resonator at a predetermined frequency. The structure is capable of transmitting or receiving electrical energy and/or data at various near and far field magnetic coupling frequencies.
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公开(公告)号：US11316271B2
公开(公告)日：2022-04-26
申请号：US17174953
申请日：2021-02-12
申请人： NuCurrent, Inc.
发明人： Vinit Singh , Ajit Rajagopalan , Alberto Peralta , Md. Nazmul Alam , Christine A. Frysz , Jason Luzinski , Glenn Riese , Jacob Babcock , Pavel Shostak
摘要： Various embodiments of a multi-mode antenna are described. The antenna is preferably constructed having a first inductor coil and a second inductor coil. A plurality of shielding materials are positioned throughout the antenna to minimize interference of the magnetic fields that emanate from the coils from surrounding materials. The antenna comprises a coil control circuit having at least one of an electric filter and an electrical switch configured to modify the electrical impedance of either or both the first and second coils.
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