Method of establishing the copying speed of a double-deck VCR

Details Method of establishing the copying speed of a double-deck VCR Method of establishing the copying speed of a double-deck VCR

1991-12-17

1993-09-07

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 15, G11B 1546

Patent

active

052434761

ABSTRACT:
A method for controlling a double-deck VCR during a tape duplication operation includes the steps of sensing the recording speed of a tape in an A deck, determining if an input signal for establishing a recording speed to be used by a B deck during the copying operations is provided, and transmitting the established recording speed to the B deck. When an input for establishing the recording speed is not provided, the recording speed of the tape in the A deck is selected as the established recording speed and is transmitted to the B deck. The sensing step includes the step of displaying using OSD (on-screen-display) characters displayed on a display device, the recording speed of the tape in the A deck. The determining step includes to step of displaying the established recording speed using corresponding OSD (on-screen-display) characters on the display device. Thus, the method according to present invention prevents an undesirable influence on the quality of the tape copy produced in the B deck due to the difference between the playback speed and the recording speed during copying operations performed by the double-deck VCR.

REFERENCES:
patent: 4261020 (1981-04-01), Beeson et al.
patent: 5103348 (1992-04-01), Sasho et al.
patent: 5124807 (1992-06-01), Dunlap et al.

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