Document Type and Number:
Japanese Patent JPS6317996
Kind Code:
B2
Abstract:
A garage door operation control apparatus includes a door operating system for opening and closing the main door of a garage, a main detection circuit for detecting the open or closed condition of the main door, an auxiliary detection circuit for detecting an open condition of a window or an auxiliary door of the garage, a fire in the garage or generation of a special gas therein, an alarm and a signal processing circuit. Electrical signals from the detection circuit are logically analyzed thereby to control the door operating system and the alarm.
Inventors:
MATSUOKA SHIGERU
TOKUNAGA TAKESHI
YONEKURA SEIJI
SUZUKI MITSUO
NAKAMURA KENJI
TOKUNAGA TAKESHI
YONEKURA SEIJI
SUZUKI MITSUO
NAKAMURA KENJI
Application Number:
JP4840279A
Publication Date:
April 15, 1988
Filing Date:
April 19, 1979
Export Citation:
Assignee:
HITACHI LTD
International Classes:
E05F15/10; A62B13/00; A62C2/24; E05F15/16; G08B19/00; G08B21/00; G08B21/24
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