Tangential pick-up device for a gramophone turn-table

Details Tangential pick-up device for a gramophone turn-table Tangential pick-up device for a gramophone turn-table

1979-04-16

1981-05-19

Shepperd, John W.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

G11B 338

Patent

active

042680395

ABSTRACT:
A tangential pick-up device for a gramophone turn-table comprises a pick-up head on a support connected by a floating articulation to a carriage which is driven along a radially-disposed arm by a servo-control device to hold the support in a reference position. The floating articulation of the support, e.g. by a guided pivot member, is arranged so that shocks or vibrations tend to cause pivoting of the support about two axes disposed radial and perpendicular to a disc and intersecting adjacent the pick-up needle, whereby jumping of the needle is avoided.

REFERENCES:
patent: 2566091 (1951-08-01), Masterson
patent: 2905475 (1959-09-01), Cheeseboro
patent: 3572724 (1971-03-01), Rabinow
patent: 3622163 (1971-11-01), Bachman
patent: 3873762 (1975-03-01), Taylor

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