Wireless power receiver, charging arrangement and method for operating a wireless power receiver
First Claim
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1. A wireless power receiver, comprising:
- an antenna;
a capacitor having a first terminal permanently connected to a first terminal of the antenna and a second terminal permanently connected to a second terminal of the antenna;
a first charge switch;
a rectifier having a first input coupled to the antenna via the first charge switch and having a first output; and
a communicator unit with a first terminal coupled to the antenna,wherein the communicator unit comprises an amplifier circuit having a first output amplifier and a first input amplifier, andwherein an output of the first output amplifier and an input of the first input amplifier are coupled to the first terminal of the communicator unit.
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Abstract
A wireless power receiver (11) comprises an antenna (13), a capacitor (14) having a first terminal permanently connected to a first terminal (16) of the antenna (13) and a second terminal permanently connected to a second terminal (17) of the antenna (13), a first charge switch (18), a rectifier (15) having a first input (19) coupled to the antenna (13) via the first charge switch (18) and having a first output (22), and a communicator unit (35) with a first terminal coupled to the antenna (13).
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Citations
15 Claims
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1. A wireless power receiver, comprising:
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an antenna; a capacitor having a first terminal permanently connected to a first terminal of the antenna and a second terminal permanently connected to a second terminal of the antenna; a first charge switch; a rectifier having a first input coupled to the antenna via the first charge switch and having a first output; and a communicator unit with a first terminal coupled to the antenna, wherein the communicator unit comprises an amplifier circuit having a first output amplifier and a first input amplifier, and wherein an output of the first output amplifier and an input of the first input amplifier are coupled to the first terminal of the communicator unit. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wireless power receiver, comprising:
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an antenna; a capacitor having a first terminal permanently connected to a first terminal of the antenna and a second terminal permanently connected to a second terminal of the antenna; a first charge switch; a rectifier having a first input coupled to the antenna via the first charge switch and having a first output; a communicator unit with a first terminal coupled to the antenna; and a first communicator switch coupling the first terminal of the communicator unit to the antenna. - View Dependent Claims (8)
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9. A wireless power receiver, comprising:
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an antenna; a capacitor having a first terminal permanently connected to a first terminal of the antenna and a second terminal permanently connected to a second terminal of the antenna; a first charge switch; a rectifier having a first input coupled to the antenna via the first charge switch and having a first output; and a communicator unit with a first terminal coupled to the antenna, wherein the wireless power receiver comprises a first bypass switch, wherein the communicator unit comprises a communicator circuit, and wherein the first bypass switch couples the antenna to a first bypass terminal of the communicator circuit. - View Dependent Claims (10, 11, 12, 13)
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14. A method for operation of a wireless power receiver, wherein a first charge switch is arranged between an antenna and a rectifier and is set in a conducting state in a charging phase and in a non-conducting state in an amplifier communication phase,
wherein the wireless power receiver comprises the first charge switch, the rectifier, the antenna, a communicator unit coupled to the antenna and a capacitor having a first terminal permanently connected to a first terminal of the antenna and a second terminal permanently connected to a second terminal of the antenna, wherein the communicator unit comprises an amplifier circuit having a first output amplifier and a first input amplifier, and wherein an output of the first output amplifier and an input of the first input amplifier are coupled to the first terminal of the communicator unit.
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15. A wireless power receiver, comprising:
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an antenna; a capacitor having a first terminal permanently connected to a first terminal of the antenna and a second terminal permanently connected to a second terminal of the antenna; a first charge switch; a rectifier having a first input coupled to the antenna via the first charge switch and having a first output; a power management unit having an input coupled to the first output of the rectifier; a battery coupled to a first output of the power management unit; a first communicator switch; and a communicator unit with a first terminal coupled via the first communicator switch to the antenna.
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Specification