Pick-up needle

Details Pick-up needle Pick-up needle

1980-09-26

1982-07-27

Shepperd, John W.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Mechanical modification or sensing of storage medium

369137, G11B 302

Patent

active

043421075

ABSTRACT:
Pick-up needle having a cantilever lying in the longitudinal direction of the cartridge, which cantilever carries the tracking stylus point at one end and is coupled at a slight distance therefrom to an electro-mechanical transducer and is otherwise supported in a holding part which is held to the cartridge by a clamping device, and having guides for defining its feed movement relative to the cartridge upon change of the needle, namely in a direction which is first lengthwise of the cartridge and then transverse thereto.

REFERENCES:
patent: 3294405 (1966-12-01), Pritchard
patent: 3523690 (1970-08-01), Vandekoppel
patent: 3699268 (1972-10-01), Miller
patent: 4075418 (1978-02-01), Nemoto et al.

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