Toggling speakerswitch

Details Toggling speakerswitch Toggling speakerswitch

1988-11-14

1989-10-24

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Plural load circuit systems

307 38, 307125, 381 18, 381 28, H02J 100

Patent

active

048764590

ABSTRACT:
An electronic switching system is presented for use by consumers. Inputs are connected to the circuit which detect which input is producing a signal. The circuit then allows that signal to pass through to be reproduced on output speakers. If both of two inputs are "on," producing two signals, the system toggles between the signals thus reproducing a toggling signal at the speakers. The system may also be adapted to accommodate three or more input signals which would then produce either one output if only one is "on" or a toggling output between those inputs that are "on."

REFERENCES:
patent: 3916104 (1975-10-01), Anazawa et al.
patent: 4162457 (1979-07-01), Grodinsky
patent: 4323787 (1982-04-01), Sato et al.
patent: 4380809 (1983-04-01), Sato
patent: 4404429 (1983-09-01), Griffis
patent: 4437018 (1984-03-01), Manley
patent: 4464781 (1984-08-01), Kaneko et al.
patent: 4503554 (1985-03-01), Davis
patent: 4565991 (1986-01-01), Lupoli
patent: 4592046 (1986-05-01), Kawata
patent: 4594730 (1986-06-01), Rosen
patent: 4596963 (1986-06-01), Lawton
"Hifi Auto Switch", by John Clarke, Electronics, Australia (Mar. 1980) vol. 41, pp. 44-49.

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