Document Type and Number:
Japanese Patent JPS5117887
Kind Code:
B2
Abstract:
A sound pick-up for stereo sound reproduction with 90 DEG phase shift between channels in which the armature structure is cylindrical centrally and quadilateral in the remaining parts of its length.
Application Number:
JP8249873A
Publication Date:
June 05, 1976
Filing Date:
July 20, 1973
Export Citation:
International Classes:
H04R11/08; G11B3/50; H04R11/12; (IPC1-7): H04R11/12
Previous Patent: JPS5117886
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