Sleep timer for audio/visual apparatus and method of sleep timer

Details Sleep timer for audio/visual apparatus and method of sleep timer Sleep timer for audio/visual apparatus and method of sleep timer

1990-12-31

1992-12-08

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

4551811, 455231, 358349, H04Q 100

Patent

active

051701596

ABSTRACT:
A sleeper timer for the source equipment of audio/visual apparatuses such as a cassette tape deck, CD player, AM/FM tuner, and video disk play incorporates an auto sleep mode where the source equipment are turned off as soon as the source equipment completes its operation, and a conventional sleep timer mode where the source equipment are turned off when a predetermined length of time of a timer expires.

REFERENCES:
patent: 3843929 (1974-10-01), Mayle
patent: 4158759 (1979-01-01), Mason
patent: 4241450 (1980-12-01), Blatter et al

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