Title:
WIRELESS ANTI-BURGLAR DEVICE
Document Type and Number:
Japanese Patent JPS545699
Kind Code:
A
Abstract:
PURPOSE: To reduce the number of the detection switch without lowering the anti-burglar function, by providing a switch to the receiver in order to switch the state so that the alarming signal is transmitted when the electric wave signal including only the long-time band and the signal containing also the short-time band are received.
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Inventors:
KUNO TAKESHI
ABIKO TOSHIO
ABIKO TOSHIO
Application Number:
JP7238577A
Publication Date:
January 17, 1979
Filing Date:
June 15, 1977
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
G08B3/10; G08B13/08; G08B13/22; G08B19/00; G08B25/04; (IPC1-7): G08B13/22; G08B19/00
Next Patent: ULTROSONIC WARNING UNIT