Tape guiding element subjected to ultrasonic oscillations for re

Details Tape guiding element subjected to ultrasonic oscillations for re Tape guiding element subjected to ultrasonic oscillations for re

1990-03-05

1992-10-06

Stodola, Daniel P.

Advancing material of indeterminate length

Passive guide

242 76, 226194, B65H 2700

Patent

active

051524449

ABSTRACT:
In a tape guiding device for a video tape recorder or the like, an elongated guide element having a peripheral surface slidably engageable by the tape for guiding the latter is fixedly connected, at spaced apart locations along the guide element, with a support or base structure, and an ultrasonic oscillation generating transducer acts, at least at one end, against the guide element for generating a standing wave oscillation in the guide element having nodes at the spaced apart locations where the guide element is fixed to the support or base structure.

REFERENCES:
patent: 3432082 (1969-03-01), Beville et al.
patent: 4573619 (1986-03-01), Grant
patent: 4582235 (1986-04-01), Schulz
patent: 4875610 (1989-10-01), Kitamoto et al.

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