Tape control system for use in an automatic program locating sys

Details Tape control system for use in an automatic program locating sys Tape control system for use in an automatic program locating sys

1980-11-28

1983-08-02

Wolff, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 744, G11B 1518

Patent

active

043969577

ABSTRACT:
A tape control system for use in an automatic program locating system for tapeplayers. The tape control system is responsive to blank or unrecorded spaces between recorded programs and includes a presettable shift register having a succession of bit stages for indicating one or more desired programs to be located and reproduced. The contents of the bit stages are shifted to the next successive bit stage upon every occurrence of a space detection signal generated in response to each sensed unrecorded space on the tape. The outputted content of the last bit stage in the succession is provided to an output-content detection circuit which controls tape speed shifting circuits to shift the tape speed into a normal playback speed or into a fast movement speed in response whether the output of the last bit stage indicates that a selected program is to be read next by the heads of the tapeplayer.

REFERENCES:
patent: Re30416 (1980-10-01), Yasunaga
patent: 3541271 (1970-11-01), Joslow et al.
patent: 3984869 (1976-10-01), Fujii et al.
patent: 4014039 (1977-03-01), Yasunaga
patent: 4115821 (1978-09-01), Okada
patent: 4241364 (1980-12-01), Shiga

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