Automatic preferred direction selection for a bidirectional tape

Details Automatic preferred direction selection for a bidirectional tape Automatic preferred direction selection for a bidirectional tape

1983-04-29

1985-10-01

Cardillo, Jr., Raymond F.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 741, G11B 1544

Patent

active

045449651

ABSTRACT:
To insure that a tape which is newly inserted into a reversing-type cassette tape transport mechanism will always operate in a first predetermined or priority direction, a direction priority switch (S3) is coupled to the tape cassette receiver (32, 34) to sense introduction of a tape into the receiver. The priority switch is coupled to a logic network which controls change-over of operation of a tape transport system (20, M) if the tape transport system, upon introduction of a tape, was operating counter the priority direction, but leaving unaffected the operation of the tape transport system if it was already in the priority direction. A suitable logic network comprises an AND-gate with a dynamic input, or one with a static input and a buffer memory which is reset upon termination of tape operation. If the tape is merely moved between a transducing position and a park or pause position, no change in direction of tape transport will result.

REFERENCES:
patent: 3724779 (1973-04-01), Fanella et al.
patent: 3810240 (1974-05-01), Nozawa
patent: 3936877 (1976-02-01), Maruyama et al.
patent: 4224646 (1980-09-01), Schatteman
patent: 4301485 (1981-11-01), Takanashi

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