Title:
SOUND PRESSURE SELECTOR FOR SOUND EMITTING BODY
Document Type and Number:
Japanese Patent JPS57119397
Kind Code:
A
Abstract:
The present invention produces at least two sound signals such as warning signals or actuating signals by one sounder having a resonant frequency, wherein one of the sound signals is indicated by the resonant frequency of the sounder to enable a higher intensity sound to be produced.
Inventors:
KATSUMA MAKOTO
ARIFUKU KIYOSHI
KAWAMURA MASAHARU
KIUCHI MASAYOSHI
MURAKAMI HIROYASU
ARIFUKU KIYOSHI
KAWAMURA MASAHARU
KIUCHI MASAYOSHI
MURAKAMI HIROYASU
Application Number:
JP563781A
Publication Date:
July 24, 1982
Filing Date:
January 16, 1981
Export Citation:
Assignee:
CANON KK
International Classes:
G03B17/18; B06B1/02; G08B3/10; G10K15/04; (IPC1-7): G03B17/18; G10K9/12