Tape recording and/or reproducing apparatus with ultrasonically

Details Tape recording and/or reproducing apparatus with ultrasonically Tape recording and/or reproducing apparatus with ultrasonically

1992-03-26

1994-06-07

Casaregola, Louis J.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

226196, 242186, G11B 1560, B65H 2700

Patent

active

053195060

ABSTRACT:
In an apparatus for recording and/or reproducing signals on a tape and which is selectively operative in a plurality of modes, such as, a normal recording or playback mode, a fast-forward mode, a re-wind mode and a jog mode; the tape is driven between supply and take-up reels at speeds characterizing the selected mode while being guided by a guide element which is ultrasonically vibrated for reducing the frictional resistance to movement of the tape, and the frequency and power of an ultrasonic drive signal employed for vibrating the guide element are controlled so as to obtain optimal reduction of the frictional resistance to movement of the tape while minimizing power consumption.

REFERENCES:
patent: 4875610 (1989-10-01), Kitamoto et al.
patent: 5152444 (1992-10-01), Saito
Soviet Inventions Illustrated Section EI, Week 8138, Derwent Publications Ltd., London, FB; Class T, AN J8058 and SU-A-781 953 (Kaun Poly).
Soviet Inventions Illustrated Section EI, Week 8102, Derwent Publications Ltd., London, GB; Class T, AN A1667 and SU-A-732 992 (Kaun Poly).
Soviet Invention Illustrated Section Ei, Week 8247, Derwent Publications Ltd., London, GB; Class T, AN MO914 and SU-A-801 085 (Phys Cult Res Inst).

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