Fast screen detecting device of VTR

Details Fast screen detecting device of VTR Fast screen detecting device of VTR

1991-06-14

1993-08-03

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head moving during transducing

Tape record

360 95, G11B 15665, G11B 1561

Patent

active

052334899

ABSTRACT:
A video tape recorder having a fast screen detecting device which includes a pinch lever which is driven by a master cam, and a control device comprising a brake lever for driving main brakes. The brake lever has a cam part in contact with the bent part of the pinch lever so that the brake lever is also driven by the master cam. Further, a guide post, driven by the master cam, partially loads video tape to enable control signal detection by a control head; the video tape in the partially loaded condition is not in contact with the head drum so that excessive tape wear is avoided.

REFERENCES:
patent: 4695906 (1987-09-01), Kim
patent: 4704644 (1987-11-01), Takenouchi
patent: 4745498 (1988-05-01), Maeda et al.
patent: 4907110 (1990-03-01), Ando
patent: 4951163 (1990-08-01), Nakamichi
patent: 4972278 (1990-11-01), Hara et al.
patent: 5025331 (1991-06-01), Hirayama et al.

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