System utilizing a high-frequency tone for switching from a firs

Details System utilizing a high-frequency tone for switching from a firs System utilizing a high-frequency tone for switching from a firs

1992-08-27

1994-06-07

Pascal, Robert J.

Dynamic information storage or retrieval

Combined independent audio systems

Changeover between audio systems

360 61, H04B 120

Patent

active

053196180

ABSTRACT:
A system for switching from a programmed track of a music source to a succeeding programmed track of a music source. The system includes a detector chip for detecting a cue tone in excess of 15 kHz placeable on each programmed music track. The detector chip generates a signal causing a switch to activate a successive player to play. Additional switches pause and re-advance the previous music source to play a further succeeding programmed track.

REFERENCES:
patent: 4641253 (1987-02-01), Mastran
patent: 4969135 (1990-11-01), Tobe
patent: 5008762 (1991-04-01), Sung
patent: 5067119 (1991-11-01), Yoshida et al.

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