Title:
ABNORMALITY DETECTION CIRCUIT IN PHOTOELECTRIC SMOKE DETECTOR
Document Type and Number:
Japanese Patent JPS5241571
Kind Code:
A
Abstract:
PURPOSE: To emit an abnormal signal when a smoke detecting function is lost, and alarm its condition.
Inventors:
MORISUE KAZUNARI
YAMADA ATSUSHI
TANEMURA KENSABUROU
SUZUKI YOSHIHARU
KATAZUKI KUNIHARU
YAMADA ATSUSHI
TANEMURA KENSABUROU
SUZUKI YOSHIHARU
KATAZUKI KUNIHARU
Application Number:
JP11788675A
Publication Date:
March 31, 1977
Filing Date:
September 29, 1975
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
G08B17/107; G01N21/53; G08B17/10; (IPC1-7): G01N21/12; G08B17/10