Device for reducing wireless interference
First Claim
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1. A device, comprising:
- an RF power detector;
a suppression filter having a band rejection frequency range to suppress interference between a transmitter and a receiver circuit when enabled; and
a filter logic to enable and disable the suppression filter while the device is in operation based on a signal strength of a received RF signal.
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Abstract
A method, apparatus, and system in which a receiver circuit includes an RF power detector, a suppression filter having a band rejection frequency range targeted to suppress interference between a transmitter and the receiver circuit when enabled, and a filter logic to enable and disable the suppression filter while the device is in operation based on a signal strength of a received RF signal. Other embodiments are described.
30 Citations
20 Claims
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1. A device, comprising:
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an RF power detector; a suppression filter having a band rejection frequency range to suppress interference between a transmitter and a receiver circuit when enabled; and a filter logic to enable and disable the suppression filter while the device is in operation based on a signal strength of a received RF signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method, comprising:
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detecting RF signals received in a portable device powered by a direct current power source; detecting signal strengths for the RF signals; filtering the RF signals with a first filter mechanism; beginning filtering of one or more regulated RF frequency bands with an additional filter mechanism when a first RF signal from the detected RF signals having at least a threshold signal strength is detected; and stopping filtering of the one or more regulated RF frequency bands with the additional filter mechanism when no RF signal having at least the threshold signal strength is detected. - View Dependent Claims (11, 12, 13, 14)
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15. A system, comprising:
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a receiver circuit, having an RF power detector, a suppression filter having a band rejection frequency range targeted to suppress interference between a transmitter and the receiver circuit when enabled, and a filter logic to enable and disable the suppression filter while the device is in operation based on a signal strength of a received RF signal; and a DC power source, that powers the RF power detector, the suppression filter, and the filter logic. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification