Mixed simulcast circuit

Details Mixed simulcast circuit Mixed simulcast circuit

1990-04-10

1992-06-30

Levy, Stuart S.

Dynamic information storage or retrieval

Combined independent audio systems

Changeover between audio systems

381 10, 381123, 369 5, 358343, H04B 1500, H02B 100

Patent

active

051269813

ABSTRACT:
A mixed simulcast circuit in which the voice signal demodulated in the voice demodulator through the tuner and the voice signal from the outside can be recorded on the recording medium according to the user's desire, then reproduced selectively. The mixed simulcast circuit has first means for recording a signal which is received in the tuner and demodulated in the demodulator, second means for recording the modulated voice signal on the one channel of the recording medium and for recording the voice signal from the external on the other channel thereof, and means for switching selectively one signal, either the voice signal which is demodulated and recorded from tuner or the voice signal, which is recorded from the external, when it reproduced.

REFERENCES:
patent: 4272784 (1981-06-01), Saito et al.
patent: 4446488 (1984-05-01), Suzuki
patent: 4490751 (1984-12-01), Kono et al.
patent: 4709275 (1987-11-01), Fukuda
patent: 4723295 (1988-02-01), Kosaka et al.
patent: 4757393 (1988-07-01), Dakin et al.
patent: 4823197 (1989-04-01), Sakata et al.
patent: 4847699 (1989-07-01), Freeman

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