Adapter for a plug-in cartridge

Details Adapter for a plug-in cartridge Adapter for a plug-in cartridge

1985-03-07

1986-02-18

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specified detail of transducer assembly support structure

339154A, 369170, 369172, G11B 304, G11B 2116

Patent

active

045717176

ABSTRACT:
An adapter for a phonographic tone arm for interchangeable mounting of a plug-in cartridge of a linear tracking arm to a head shell of an offset tone arm. The plug-in cartridge has a predetermined mass and center of gravity and has a plurality of small diameter contact pins projecting from the cartridge. The cartridge housing is secured to the head shell by the adapter which has a housing with a recess for accepting the cartridge. The adapter also includes a plurality of hollow terminal pins for receiving the contact pins of the plug-in cartridge. The predetermined mass and center of gravity for the plug-in cartridge enables attaining a predetermined tone arm balance without balance adjustment being necessary. The adapter housing also includes at least one groove for attenuating undesirable acoustic vibrations present in the tone arm.

REFERENCES:
patent: 3629789 (1971-12-01), Szeremy
patent: 3679843 (1972-07-01), Cho
patent: 3688244 (1972-08-01), Savoca
patent: 3812451 (1974-05-01), Buglewitz
patent: 4276635 (1981-06-01), Obata et al.
patent: 4325132 (1982-04-01), Kuehn
patent: 4385375 (1983-05-01), Okura et al.

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