Tape drive control system for pinch roller-less type tape record

Details Tape drive control system for pinch roller-less type tape record Tape drive control system for pinch roller-less type tape record

1980-12-02

1983-05-24

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

242189, 360 723, G11B 1926, G11B 1544, G11B 1526

Patent

active

043853293

ABSTRACT:
A tape drive control system for a pinch roller-less type tape recorder in which tape drive is implemented by frictional force between the capstan and tape. A mode instruction circuit determines the operational mode of a capstan motor drive circuit which operates a capstan motor which in turn rotates the conveying capstan. Tape run detection means detects the actual tape condition. The mode instruction circuit operates both in response to outputs of the tape run detection means and to switch inputs to control the operational mode of the capstan drive.

REFERENCES:
patent: 3769470 (1973-10-01), Curtis
patent: 3941332 (1976-03-01), Matula
patent: 4156257 (1979-05-01), Roberts
patent: 4172231 (1979-10-01), d'Alayer de Costemore d'Arc
patent: 4213160 (1980-07-01), Shum et al.

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