Interference reduction device

Details Interference reduction device Interference reduction device

2011-08-16

2011-08-16

Jeanglaude, Jean B (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S122000

Reexamination Certificate

active

07999715

ABSTRACT:
An interference reduction device includes an analog to digital converter, a serial to parallel converter, a first FIR filter, a second FIR filters, a flip-flop, a decision unit, and a selector. The analog to digital converter performs A/D conversion. The serial to parallel converter performs a session of distribution processing in which a digital signal obtained by the A/D conversion. The first FIR outputs the signal after a filter operation at the desired output frequency. The second FIR filters each perform a filter operation, also each output the generated signals at the desired output frequency. The flip-flop samples the inputted digital signal. The decision unit decides which one of the FIR filters has the smallest influence of interference of the input digital signal. The selector outputs one of the signals outputted by the FIR filters.

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patent: 5648777 (1997-07-01), Bays et al.
patent: 2008/0191913 (2008-08-01), Komatsu et al.
patent: 06252979 (1994-09-01), None
patent: 09153802 (1997-06-01), None
patent: 2001053609 (2001-02-01), None

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