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    Impedance matching for inductive power transfer systems
    4.
    发明专利
    Impedance matching for inductive power transfer systems 未知

    公开(公告)号：AU2015218706A1

    公开(公告)日：2016-07-21

    申请号：AU2015218706

    申请日：2015-02-20

    Applicant: APPLE INC

    Inventor： RITTER DAVID W ,  TERLIZZI JEFFREY J ,  MOYER TODD K ,  ALVES JEFFREY M ,  HERBST STEVEN G

    IPC: H02J5/00 ,  H02J7/02 ,  H02M7/219

    Abstract: An electromagnetic induction power transfer apparatus (100) comprises:an inductive power transmitter (102), comprising:a power supply with an active state and an inactive state, configured to switch between the active state and the inactive state at a selectable duty cycle; and a power-transmitting inductor (102-12) coupled to the power supply; and an inductive power receiver (104), comprising:a power-receiving inductor (104-12), positioned inductively proximate the power-transmitting inductor; a programmable load (104-12); and an impedance controller (104-6) coupled to the power receiving inductor and configured to increase or decrease an electrical impedance of the inductive power receiver in response to a change in a power requirement of the programmable load.

    Impedance matching for inductive power transfer systems
    5.
    发明专利
    Impedance matching for inductive power transfer systems 未知

    公开(公告)号：AU2015218706B2

    公开(公告)日：2018-01-04

    申请号：AU2015218706

    申请日：2015-02-20

    Applicant: APPLE INC

    Inventor： RITTER DAVID W ,  TERLIZZI JEFFREY J ,  MOYER TODD K ,  ALVES JEFFREY M ,  HERBST STEVEN G

    IPC: H02J5/00 ,  H02J7/02 ,  H02M7/219

    Abstract: An electromagnetic induction power transfer apparatus (100) comprises:an inductive power transmitter (102), comprising:a power supply with an active state and an inactive state, configured to switch between the active state and the inactive state at a selectable duty cycle; and a power-transmitting inductor (102-12) coupled to the power supply; and an inductive power receiver (104), comprising:a power-receiving inductor (104-12), positioned inductively proximate the power-transmitting inductor; a programmable load (104-12); and an impedance controller (104-6) coupled to the power receiving inductor and configured to increase or decrease an electrical impedance of the inductive power receiver in response to a change in a power requirement of the programmable load.

    Optical data transfer utilizing lens isolation
    6.
    发明专利
    Optical data transfer utilizing lens isolation 未知

    公开(公告)号：AU2015231943A1

    公开(公告)日：2016-07-21

    申请号：AU2015231943

    申请日：2015-01-27

    Applicant: APPLE INC

    Inventor： HILARIO ALVIN J ,  HUEY JASON J ,  KEELER KEVIN M ,  ALVES JEFFREY M ,  TERLIZZI JEFFREY J

    IPC: H04B10/40 ,  G02B6/42

    Abstract: A first electronic device optically communicates with a second electronic device. Each of the devices includes one or more optical transmitters, one or more optical receivers, and one or more lenses where each of the lenses includes at least a first and a second optical path that are optically isolated from each other. When the first electronic device transmits data to the second electronic device, an optical transmitter of the first electronic device transmits to an optical receiver of the second electronic device via the first optical paths of the lenses of the first and second electronic devices. Similarly, when the first electronic device receives data from the second electronic device, an optical receiver of the first electronic device receives from an optical transmitter of the second electronic device via the second optical paths of the lenses of the first and second electronic devices.

    Adjusting filter in a coupled coil system
    7.
    发明专利
    Adjusting filter in a coupled coil system 未知

    公开(公告)号：AU2015218896A1

    公开(公告)日：2016-07-21

    申请号：AU2015218896

    申请日：2015-02-19

    Applicant: APPLE INC

    Inventor： RITTER DAVID W ,  ALVES JEFFREY M ,  MOYER TODD K ,  HERBST STEVEN G

    IPC: H02J5/00 ,  H02J7/02 ,  H03H7/40

    Abstract: A receiver device (404) in a coupled coil system (400) for wireless energy transfer includes a receiver coil (410) and a load device (414) operatively connected to the receiver coil and configured to receive a signal from the receiver coil. As one example, the load device is a rechargeable battery. An adjusting filter (416) is included in the receiver device and is operatively connected between the receiver coil and the load device. The adjusting filter can be used to transform the effective resistance or impedance of the load as presented to the transformer during energy transfer so that the effective resistant or impedance of the load is maintained at a substantially constant level, and the signal received by the load device is maintained at a substantially constant level.

    Power management for inductive charging systems
    8.
    发明专利
    Power management for inductive charging systems 未知

    公开(公告)号：AU2014315511A1

    公开(公告)日：2016-02-11

    申请号：AU2014315511

    申请日：2014-08-29

    Applicant: APPLE INC

    Inventor： ALVES JEFFREY M ,  MOYER TODD K ,  BOSSETTI CHAD

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

    Abstract: Power management and power transfer systems within the transmit and receive portions of an inductive charging system. An inductive charging system includes a transmit coil (105) and a receive coil (110). The receive coil (110) is coupled to inductive charging circuitry (120). The inductive charging circuitry (120) includes circuitry to convert AC output from the receive coil (110) to DC useful to charge a battery (140). The inductive charging circuit is electrically connected to a power management unit (130). The power management unit (130) includes processing circuitry to intelligently determine how to distribute power output from the inductive charging circuit (120) to the battery (140). The charge monitoring circuit (150) is coupled to a ground controller (160). The ground controller (160) couples the charge monitoring circuit (150) to the circuit ground (170) only when the ground controller (160) is in an on state. The ground controller (160) may receive a signal (180) to enter the on state from the inductive charging circuit (120).

    Adjusting filter in a coupled coil system
    9.
    发明专利
    Adjusting filter in a coupled coil system 未知

    公开(公告)号：AU2015218896B2

    公开(公告)日：2018-03-29

    申请号：AU2015218896

    申请日：2015-02-19

    Applicant: APPLE INC

    Inventor： RITTER DAVID W ,  ALVES JEFFREY M ,  MOYER TODD K ,  HERBST STEVEN G

    IPC: H02J5/00 ,  H02J7/02 ,  H03H7/40

    Abstract: A receiver device (404) in a coupled coil system (400) for wireless energy transfer includes a receiver coil (410) and a load device (414) operatively connected to the receiver coil and configured to receive a signal from the receiver coil. As one example, the load device is a rechargeable battery. An adjusting filter (416) is included in the receiver device and is operatively connected between the receiver coil and the load device. The adjusting filter can be used to transform the effective resistance or impedance of the load as presented to the transformer during energy transfer so that the effective resistant or impedance of the load is maintained at a substantially constant level, and the signal received by the load device is maintained at a substantially constant level.

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