Method and apparatus for door operation remote control

Details Method and apparatus for door operation remote control Method and apparatus for door operation remote control

1982-03-05

1985-01-29

Yusko, Donald J.

Communications: electrical

Condition responsive indicating system

Specified housing

49 25, 318267, H04B 700, E05F 1510, G05D 308

Patent

active

044969422

ABSTRACT:
Apparatus and method for door operation remote control. A radio transmitter transmits a door operation command signal for a predetermined time when the operator operates a switch, irrespective of a turn-on time of the switch. Upon receipt of the door operation command signal from the radio transmitter, a door operation control signal is generated to effect the operation of a door.

REFERENCES:
patent: 4241331 (1980-12-01), Taeuber et al.
patent: 4272766 (1981-06-01), Stucker et al.
patent: 4360801 (1982-11-01), Duhame
patent: 4366482 (1982-12-01), Remes et al.
patent: 4370565 (1983-01-01), Hayden
patent: 4405923 (1983-09-01), Matsuoka et al.

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