Phonograph pickup arm

Details Phonograph pickup arm Phonograph pickup arm

1979-12-26

1981-11-24

Shepperd, John W.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specified detail of transducer assembly support structure

369255, G11B 338

Patent

active

043028349

ABSTRACT:
A phonograph pickup arm for use in disc records arranged to compensate for error in the tracking path. By use of adjacent curved surfaces in mounting and support members the point of rotational access of the pickup arm shifts as the stylus associated with the pickup arm moves left to right or vice versa to compensate for the usually present tracking error.

REFERENCES:
patent: 1391797 (1921-09-01), Scrabic
patent: 1963673 (1934-06-01), Patino
patent: 3059934 (1962-10-01), Urmenyi

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