Driving system for endless video tape by one-touch timer

Details Driving system for endless video tape by one-touch timer Driving system for endless video tape by one-touch timer

1990-02-21

1991-04-23

Wolff, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

360 71, G11B 1518, G11B 1902

Patent

active

050104225

ABSTRACT:
A driving system for endless video tape controlled by a one-touch timer wherein when an endless video tape is loaded into a video tape recorder (VTR), a switch is changed over to an endless side to prevent tape operation beyond a predetermined period of time determines by a one-touch timer which is preset. If the VTR is being driven, for example, in a recording mode and the operation mode is changed to any other mode, for example, to the playback mode, the timer set time is automatically extended for the predetermined period of time. An indicator for distinguishing between different operation modes is provided, and an alarm is visually or audibly applied by the indicator for a short period of time, such as one minute, before the timer stops.

REFERENCES:
patent: 4166283 (1979-08-01), Van Slageren
patent: 4811122 (1989-03-01), Kido et al.
patent: 4914534 (1990-04-01), Chito

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