Priority interrupt circuit

Details Priority interrupt circuit Priority interrupt circuit

1975-10-14

1978-08-08

Safourek, Benedict V.

325303, H04B 138

Patent

active

041059743

ABSTRACT:
A priority interrupt circuit for inhibiting the supply of signals from a first audio signal source to an electroacoustic transducer and substituting therefore signals from a second audio signal source in response to the occurrence of signals from the second source and despite the continued availability of signals from the first source is disclosed having the further capability of effecting the substitution of the second source for the first source when a radio frequency transmitter is enabled.

REFERENCES:
patent: 2330241 (1943-09-01), Roberts
patent: 2962584 (1960-11-01), Lackoff
patent: 3277374 (1966-10-01), Kobayashi
patent: 3921074 (1975-11-01), Baird
patent: 3956591 (1976-05-01), Gates, Jr.

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