Active cancellation tuning to reduce a wireless coupled...

Details Active cancellation tuning to reduce a wireless coupled... Active cancellation tuning to reduce a wireless coupled...

2005-07-05

2005-07-05

Craver, Charles (Department: 2682)

Telecommunications

Transmitter and receiver at separate stations

Having measuring, testing, or monitoring of system or part

C455S069000, C455S063100, C455S115300, C455S226200, C455S305000

Reexamination Certificate

active

06915112

ABSTRACT:
An active cancellation controller receives a signal strength indicator that indicates a power level of a coupled signal from a local wireless transmitter at a local wireless receiver. The active cancellation controller tunes an active cancellation circuit to reduce the signal strength indicator. The active cancellation circuit is to generate a cancellation signal to combine with the coupled signal at the local wireless receiver.

REFERENCES:
patent: 4383331 (1983-05-01), Davidson
patent: 4475243 (1984-10-01), Batlivala et al.
patent: 4660042 (1987-04-01), Ekstrom
patent: 4991165 (1991-02-01), Cronyn
patent: 5729829 (1998-03-01), Talwar et al.
patent: 5974301 (1999-10-01), Palmer et al.
patent: WO 96/15596 (1996-05-01), None

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