Method and apparatus for reducing alternator noise

Details Method and apparatus for reducing alternator noise Method and apparatus for reducing alternator noise

1990-11-09

1991-05-07

Kuntz, Curtis

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

455238, H04B 110

Patent

active

050143514

ABSTRACT:
A phase shifted (28) version of an alternator noise signal (26) is coupled into a recovered signal (22) that has been corrupted by the alternator noise. The alternator noise signal (26), and phase shifted version thereof, add to zero (or near zero) so as to reduce alternator noise corruption of the recovered signal.

REFERENCES:
patent: 3599142 (1971-08-01), Rust
patent: 4081740 (1978-03-01), Teratani et al.
patent: 4864246 (1989-09-01), Kato et al.

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