Title:
PICKUP CARTRIDGE
Document Type and Number:
Japanese Patent JPS57129600
Kind Code:
A
Abstract:
PURPOSE: To reduce the effective mass and to realize a flat and wide range of the frequency characteristics, by constituting an armature with an amorphous metal.
CONSTITUTION: The yokes 12 and 13 are attached across a magnet 11. A cantilever 14 pierces through the tip through-hole part 121' of the front side yoke 12, and an armature 16 attached to the rear end of the cantilever 14 is supported by a suspension wire 18 via a damper 17 and opposite to a pole piece 15 attached to the rear side yoke 13. The armature 16 is constituted by winding coils 162 and 162' for right and left channels to armature bases 161 and 161' made of an amorphous metal and formed into almost square plates or crosses.
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Inventors:
WATANABE MASAHIRO
Application Number:
JP1613181A
Publication Date:
August 11, 1982
Filing Date:
February 05, 1981
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
H04R9/12; H04R9/16; H04R11/08; (IPC1-7): H04R9/12; H04R11/08