Damping mechanism for a video disc stylus holder

Details Damping mechanism for a video disc stylus holder Damping mechanism for a video disc stylus holder

1982-04-08

1984-04-03

Stephan, Steven L.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Mechanical modification or sensing of storage medium

369126, 369247, G11B 350

Patent

active

044411766

ABSTRACT:
Video disc stylus holders are designed to provide vertical decoupling of the pickup stylus from the stylus support arm. The compliance designed into the holder gives rise to mechanical resonant modes which affect the recovered signal in the audio range. A rigid damping element secured to the compliant section of the stylus holder by a lossy adhesive or a lossy mass rigidly secured to the compliant section of the stylus holder reduces the amplitude of the resonant modes.

REFERENCES:
patent: 3444335 (1969-05-01), Walton
patent: 4063285 (1977-12-01), Nagaoka
patent: 4113265 (1978-09-01), Iyeta
patent: 4124217 (1978-11-01), Tajima
C. f. Hackett, B. K. Taylor, "The Video Disc Groove-Riding Stylus Cartridge", RCA Engineer, Nov./Dec. 1981, pp. 26-29, Cherry Hill, NJ.

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