Title:
ELECTROMAGNETIC ACOUSTIC CONVERTER
Document Type and Number:
Japanese Patent JPS54157618
Kind Code:
A
Inventors:
SAWAFUJI TADASHI
Application Number:
JP6619878A
Publication Date:
December 12, 1979
Filing Date:
June 01, 1978
Export Citation:
Assignee:
SAWAFUJI TADASHI
International Classes:
H04R9/00; H04R11/00; H04R13/00; (IPC1-7): H04R11/00; H04R13/00
Domestic Patent References:
| JPS50113219A | 1975-09-05 | |||
| JPS5299809A | 1977-08-22 |