Gramaphone pickup

Details Gramaphone pickup Gramaphone pickup

1974-01-23

1976-11-09

Eddleman, Alfred H.

Undertaking

17910041K, 274 37, H04R 1112, H04R 916

Patent

active

039912841

ABSTRACT:
A gramophone or phono pickup comprising two magnetic systems, which are rotatable concentrically to a permanent magnetic armature, which is the transducer element and supports the needle arm. Two U-shaped iron cores with windings thereon are provided, which are arranged in view of the transducer element in such a manner that they can be turned round the transducer element concentrically. The unit of transducer element and needle arm is pivotally supported in the mass center of the entire transducer.

REFERENCES:
patent: 3542972 (1970-11-01), Braun
patent: 3576955 (1971-05-01), Obata
patent: 3679843 (1972-07-01), Cho
patent: 3763335 (1973-10-01), Morita

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