Modulator and modulation method for a wireless data transmission device
First Claim
Patent Images
1. An apparatus comprising:
- a rectifier configured to modulate a received carrier signal; and
a switch coupled to at least one node of the rectifier, the switch being configured to modify an impedance of the rectifier to modulate the received carrier signal by providing a potential to the at least one node of the rectifier based on a field strength of the received carrier signal anda modulation-control signal.
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Abstract
In certain embodiments, an apparatus includes a rectifier and a switch. The rectifier is configured to modulate a received carrier signal. The switch is coupled to at least one node of the rectifier. The switch is configured to modify an impedance of the rectifier to modulate the received carrier signal by providing a potential to the at least one node of the rectifier based on a field strength of the received carrier signal and a modulation-control signal.
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Citations
23 Claims
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1. An apparatus comprising:
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a rectifier configured to modulate a received carrier signal; and a switch coupled to at least one node of the rectifier, the switch being configured to modify an impedance of the rectifier to modulate the received carrier signal by providing a potential to the at least one node of the rectifier based on a field strength of the received carrier signal and a modulation-control signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 16)
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9. An apparatus comprising:
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means for receiving a carrier signal from a base station; means for modulating the received carrier signal; and means for modifying an impedance of a rectifier to modulate the received carrier signal by providing a potential to at least one node of the rectifier based on a field strength of the received carrier signal and a modulation-control signal. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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17. A method comprising:
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receiving a carrier signal from a base station; modulating the received carrier signal; and modifying an impedance of a rectifier to modulate the received carrier signal by providing a potential to at least one node of the rectifier based on a field strength of the received carrier signal and a modulation-control signal. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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Specification