Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1982-03-05
1985-10-22
Eisenzopf, Reinhard J.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
49 28, 49 31, 340529, 340540, 340552, H01H 3500, E05F 1520
Patent
active
045490929
ABSTRACT:
A control system for an illumination lamp installed in a building equipped with a door operation control apparatus. The system comprises a door opening and closing instructor, a control circuit responsive to an instruction signal from the instructor to produce a door control signal and a lamp control signal, a door driver responsive to the door control signal to drive the opening and closing of a door, an illumination lamp for illumination of the interior of the building, a detector for detecting the movement of a human body and producing an electric signal representative of the movement, and a circuit which is responsive to the lamp control signal and the electric signal to turn on the illumination lamp and keeps the illumination lamp turned on for a predetermined time extending from the termination of the lamp control signal and the electric signal.
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Matsuoka Shigeru
Suzuki Mitsuo
Tadokoro Hiroyuki
Yamauchi Koji
Yonekura Seiji
Eisenzopf Reinhard J.
Hitachi , Ltd.
Jennings Derek S.
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