Signal distinction circuit

Details Signal distinction circuit Signal distinction circuit

1989-11-16

1991-01-01

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

381 7, H04H 500

Patent

active

049824317

ABSTRACT:
A signal distinction circuit comprising a noise detector for detecting a noise included in a received signal; and a maintaining circuit for maintaining the condition of a signal outputted from a detector for detecting a discrimination signal according to a signal outputted from the noise detector so that since the noise detector and the maintaining circuit prevent the condition of a signal outputted from the distinction circuit from being changed when an inteference such as a multipath interference occuurs, an output corresponding to a received signal can be reliably obtained.

REFERENCES:
patent: 4028985 (1977-06-01), Merritt
patent: 4198606 (1980-04-01), Baba
patent: 4203076 (1980-05-01), Yamashita
patent: 4273023 (1981-06-01), Mercer
patent: 4546490 (1985-10-01), Miller-Thomson et al.
patent: 4688464 (1987-08-01), Gibson et al.
patent: 4707856 (1987-11-01), Tanaka et al.
patent: 4785474 (1988-11-01), Bernstein et al.

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