Document Type and Number:
Japanese Patent JPS5323479
Kind Code:
Y2
More Like This:
| JP2009111565 | PLANAR SPEAKER |
| WO/2007/020925 | ELECTRO-ACOUSTIC TRANSDUCER |
Application Number:
JP14604872U
Publication Date:
June 17, 1978
Filing Date:
December 21, 1972
Export Citation:
International Classes:
H04R9/00; H04R7/02; H04R9/06; H04R23/00; (IPC1-7): H04R9/00; H04R7/02