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1. JP1982500494 - 音響信号発生用の信号発生器

Office
Japan
Application Number 1981501311
Application Date 10.04.1981
Publication Number 1982500494
Publication Date 18.03.1982
Publication Kind A
IPC
H04R 17/10
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
17Piezo-electric transducers; Electrostrictive transducers
10Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
G10K 9/12
GPHYSICS
10MUSICAL INSTRUMENTS; ACOUSTICS
KSOUND-PRODUCING DEVICES;  METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
9Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
12electrically operated
CPC
H04R 17/10
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
17Piezo-electric transducers; Electrostrictive transducers
10Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
Applicants
Inventors コスラ-ル・マンフレ-ト
Agents 富村 潔
Priority Data 3013788 10.04.1980 DE
Title
(JA) 音響信号発生用の信号発生器
Abstract
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