Title:
SENSOR OPERATION TEST CIRCUIT FOR FIRE ALARM
Document Type and Number:
Japanese Patent JPS5334500
Kind Code:
A
Abstract:
PURPOSE: To make easy for the measurement in the circuit conductivity test, by selecting the both ends of the sensor lines to which the diodes connecting resistors in parallel are connected in series to the ammeter circuit etc.
More Like This:
| JPH04131994 | FIRE SENSOR |
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| JPS56118194 | INVASION MONITORING OR FIRE MONITORING DEVICE |
Inventors:
MAEDA MASATOSHI
Application Number:
JP10899576A
Publication Date:
March 31, 1978
Filing Date:
September 10, 1976
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
G08B17/00; G08B17/10; G08B29/00; G08B29/04; (IPC1-7): G08B17/00; G08B29/00