Tape guide system with temperature compensation for drive signal

Details Tape guide system with temperature compensation for drive signal Tape guide system with temperature compensation for drive signal

1992-03-23

1993-07-06

Stodola, Daniel P.

Advancing material of indeterminate length

Passive guide

360 71, 360 95, 242 76, B65H 2700

Patent

active

052246434

ABSTRACT:
In a tape guide system having a tape guide device for guiding a magnetic tape in a video tape recorder or the like and which comprises a tape guide and an ultrasonic vibrator fixed to the tape guide for vibrating the tape guide with a standing wave, a drive device supplies a drive signal to the ultrasonic vibrator, and a temperature compensating circuit is provided for effecting temperature compensation of the drive signal supplied from the driver device to the ultrasonic vibrator.

REFERENCES:
patent: 3625456 (1971-12-01), Hankins
patent: 3968920 (1976-07-01), Ballinger
patent: 4054925 (1977-10-01), Towner et al.
patent: 4185795 (1980-01-01), Walraven
patent: 4295595 (1981-10-01), Oosaka et al.
patent: 4926159 (1990-05-01), Bartlett
patent: 4938404 (1990-07-01), Helms et al.
patent: 5126946 (1992-06-01), Ko
patent: 5152444 (1992-10-01), Saito

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