Dynamic information storage or retrieval – Specific detail of information handling portion of system – Mechanical modification or sensing of storage medium
Patent
1982-01-20
1983-09-13
Stephan, Steven L.
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Mechanical modification or sensing of storage medium
29 2541, 29854, G11B 906, G11B 346
Patent
active
044046693
ABSTRACT:
Assembly of a video disc signal recovery stylus apparatus is facilitated by utilizing a stylus holder having a vertical cylindrical end. A conductive leaf spring is inserted in the cylinder followed by a conductive torroidal elastomer. The stylus is then inserted in a hole in the elastomer, all of the parts being held in place by the compressive forces exerted by the elastomer. The second end of the leaf spring is secured to a terminal element which is releasably secured to the stylus arm to provide mobility of the foregoing subassembly during manufacturing. When the subassembly is inserted into a cartridge the terminal element is detached from the stylus arm and inserted into a conformal cavity in the cartridge affording accurate positioning and orientation of the leaf spring.
REFERENCES:
patent: 2699470 (1955-01-01), Koren
patent: 3699268 (1972-10-01), Miller
patent: 3952145 (1976-04-01), Allen
patent: 3952147 (1976-04-01), Leedom
patent: 4030124 (1977-06-01), Allen
patent: 4038682 (1977-07-01), Allen
patent: 4113981 (1978-09-01), Fujita et al.
patent: 4337536 (1982-06-01), Taylor
Herrmann E. P.
RCA Corporation
Stephan Steven L.
Tripoli J. S.
Whitacre E. M.
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