Information scanning circuit for use with a detachable portable

Details Information scanning circuit for use with a detachable portable Information scanning circuit for use with a detachable portable

1983-03-01

1985-03-12

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360137, G11B 1502, G11B 3100

Patent

active

045048754

ABSTRACT:
A cassette tape recorder (1) of pocket size, which is detachably coupled to a radio receiver (2) is given music searching function. The cassette tape recorder (1) is normally powered by small capacity cells (B1) when used by itself, and is powered by a large capacity power source (B2) included in the radio (2). A reproducing signal derived from a reproduce head (9) is fed to a solenoid control circuit (14) built in the radio (2) to detect a no-signal portion between two consecutive music pieces. When such a no-signal portion is detected during music search with fast playback, a solenoid driving signal is fed to a solenoid (12) built in the tape recorder (1) to terminate fast playback and put the tape recorder (1) in a normal playback mode. A switch (S1) arranged to be automatically switched when the tape recorder (1) engages the radio (2) is provided to automatically select the small or large capacity power source (B1 or B2).

REFERENCES:
patent: 3665117 (1972-05-01), Staar
patent: 3916122 (1975-10-01), Sato et al.
patent: 4021856 (1977-05-01), Motoyama et al.
patent: 4115821 (1978-09-01), Okada

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