Title:
ELECTRO-ACOUSTIC TRANSDUCER
Document Type and Number:
Japanese Patent JP53030296
Kind Code:
A
Abstract:
PURPOSE: Diversified timbres are produced with low power consumption and a contribution is made to multiple functioning of small portable apparatus by making the positive use of resonance and obtaining a wide band.
Inventors:
Mori, Shigeo
Murakami, Fumikazu
Hara, Yoshiaki
Horikoshi, Ichiro
Takahashi, Muneya
Murakami, Fumikazu
Hara, Yoshiaki
Horikoshi, Ichiro
Takahashi, Muneya
Application Number:
JP1976000104708
Publication Date:
March 22, 1978
Filing Date:
September 01, 1976
Export Citation:
Assignee:
SEIKO INSTR & ELECTRONICS LTD
International Classes:
G10K9/13; G04C21/02; G10K9/12; G10K9/122; G10K9/15; G10K9/20; H04R1/22; H04R7/08; (IPC1-7): G04C21/00; G10K9/12
Previous Patent: SUPPORTING METHOD OF PIEZOELECTRIC VIBRATING UNIT
Next Patent: DOT MATRIX LIQUID CRYSTAL PANEL
Next Patent: DOT MATRIX LIQUID CRYSTAL PANEL