Grounding circuit for pickup cartridge moving coil
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 13, 1987
Grant Date -
N/A
app pub date -
Aug 30, 1984
filing date -
Apr 27, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
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Abstract
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 rear yoke, (c) a magnet, and (d) a front yoke. The improvement constitutes grounding magnetic circuit at a point substantially removed from the armature in the series magnetic circuit, the grounding point being at least as far removed from the armature as the surface of the front yoke. Preferably the grounding point is on the end of the front yoke farthest from the armature.
First Claim
Other Claims data not available