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EP 0160279 A3 19870401 - IMPROVED GROUNDING CIRCUIT FOR MOVING COIL PICKUP CARTRIDGE

Title (en)

IMPROVED GROUNDING CIRCUIT FOR MOVING COIL PICKUP CARTRIDGE

Publication

EP 0160279 A3 19870401 (EN)

Application

EP 85105095 A 19850426

Priority

JP 6239284 U 19840427
JP 19861684 U 19841226

Abstract (en)

[origin: EP0160279A2] A pickup cartridge of the moving coil type including a magnetic circuit having, in series, (a) an armature with which the coil is associated, (b) a pole-piece (c) a rear yoke, (d) a magnet, and (e) a front yoke. The improvement constitutes grounding magnetic circuit at either end part of the series magnetic circuit, the grounding point being on the front yoke farthest from the armature or on the surface of the armature.

IPC 1-7

H04R 9/12

IPC 8 full level

H04R 9/16 (2006.01)

CPC (source: EP)

H04R 9/16 (2013.01)

Citation (search report)

[A] US 3846592 A 19741105 - STANTON W
[A] US 3904837 A 19750909 - SUGIMOTO TOSHITAKA, et al

Designated contracting state (EPC)

CH DE FR GB LI NL

DOCDB simple family (publication)

EP 0160279 A2 19851106; EP 0160279 A3 19870401

DOCDB simple family (application)

EP 85105095 A 19850426