Electromagnet type pickup device

Details Electromagnet type pickup device Electromagnet type pickup device

Filed on

1977-03-18

Date issued

1979-01-30

Examiner

Stephan, Steven L.

Patent Class

Undertaking

Other Related Categories

17910041K, 17910041M, G11B 302, H04R 116

Type

Patent

Status

active

Patent number

041368843

Description

ABSTRACT:
An electromagnet type pickup device including a vibrating tubular member supporting a stylus-carrying cantilever and having a funnel-shaped engaging portion formed at one end, and including a tension wire having a bulging portion formed at one end, the other end being passed through the tubular member and secured thereto under tension so that the bulging portion is secured in said funnel-shaped engaging portion, thereby enhancing the firm engagement between the vibrating member and the supporting wire to establish the non-swaying center of vibration of the vibrating member.

REFERENCES:
patent: 2955216 (1960-10-01), Dieter
patent: 3627931 (1971-12-01), Matsuda
patent: 3760125 (1973-09-01), Laue
patent: 3908096 (1975-09-01), Furuya
patent: 3975025 (1976-08-01), Obata et al.

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