Title:
ATTACHMENT OF CONCRETE DESTRUCTION SENSOR
Document Type and Number:
Japanese Patent JPS5365698
Kind Code:
A
Abstract:
PURPOSE: Two units of hole are drilled in the concrete wall. An anchor bolt is piled into one hole to attach the sensor main body, and a piezoelectric element is buried into the other hole respectively. As a result, the malfunction due to the air vibration such as the sound wave can be prevented effectively.
Inventors:
ABIKO TOSHIO
TANEMURA KENSABUROU
MATSUOKA KAZUHIRO
TANEMURA KENSABUROU
MATSUOKA KAZUHIRO
Application Number:
JP14155176A
Publication Date:
June 12, 1978
Filing Date:
November 24, 1976
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
G08B13/02; G08B13/08; (IPC1-7): G08B13/02