Receiver and method for demodulating reception signals

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United States of America Patent

PATENT NO 6266521
SERIAL NO

09128468

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A receiver is provided, whereby bit error rate can be improved, while achieving savings in power consumption. The receiver comprises: a quadrature detector 12 for converting an intermediate frequency signal obtained on the basis of a reception signal to a base band signal; a comparator 16 for converting the base band signal to binary form after it has passed through a first LPF 14, which is an analogue filter; a second LPF (CIC filter) 18 for transmitting frequency components of the approximate square wave output by comparator 16 which are odd factors of the fundamental frequency of the signal; and a sampler 20 and comparator 24 which decode the output signal from the second LPF 18 in accordance with a clock reproduced by a clock reproducing circuit 22 on the basis of this output signal.

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Patent Owner(s)

Patent OwnerAddress
SEAGATE TECHNOLOGY INC920 DISC DRIVE SCOTTS VALLEY CA 95066

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hattori, Tadayuki Tokyo, JP 5 36
Seki, Kazuhiko Tokyo, JP 27 322

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