Device for the automatic computer-control of the operation of a

Details Device for the automatic computer-control of the operation of a Device for the automatic computer-control of the operation of a

1982-09-29

1985-05-07

Richardson, Robert L.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 143, G11B 1518

Patent

active

045161666

ABSTRACT:
The device comprises a plurality of circuits interfacing a computer with a plurality of professional videorecorders, for the automatic control by computer of all the operations carried out by the video-recorders. Each of the interface circuits requests of the computer only data allowing its addressing, data identifying an image sequence on which the video-recorder must operate and data on the kind of operation to carry out, and comprises a logic circuit, which is capable of shortening the time taken by the videorecorder to search for the sequence and determines the direction and the speed of the magnetic tape depending on the determination of the position of the point being read on the tape with respect to the sequence position, and a further circuit able to detect errors of data setup by the computer and errors due to data misinterpretation by the videorecorder.

REFERENCES:
patent: 4100607 (1978-07-01), Skinner
patent: 4225890 (1980-09-01), Takenaka et al.
AMPEX Manuals relating to VPR-1 and VPR-2 devices.

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