Title:
POWER SUPPLY CIRCUIT FOR IONIZATION TYPE SMOKE DETECTOR
Document Type and Number:
Japanese Patent JPS5467398
Kind Code:
A
Abstract:
A circuit for a rechargeable battery backup power source used with an ionization smoke detector device whereby upon the failure of the main alternating current power source, a battery which is normally charged from the power source during standby operation is connected to an ionization smoke detector circuit to maintain its energization upon the loss of the alternating current power source.
Inventors:
SUTEFUAN EI HAGURANTO
Application Number:
JP12469678A
Publication Date:
May 30, 1979
Filing Date:
October 12, 1978
Export Citation:
Assignee:
HONEYWELL INC
International Classes:
G01N27/64; G08B17/10; G08B17/11; G08B29/18; H02J9/06; (IPC1-7): G01N27/64; G08B17/10
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