Method for controlling automatic door in turning-on time of its

Details Method for controlling automatic door in turning-on time of its Method for controlling automatic door in turning-on time of its

1986-12-17

1988-05-03

Roskoski, Bernard

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307117, E05F 1514

Patent

active

047422459

ABSTRACT:
In a method for controlling an automatic door system, after a power-supply switch of the system is turned on, a door of the system initially conducts its low-speed opening/closing operation when a first human-body detection signal is inputted to the system; and then, when the door travels a distance more than a predetermined minimum door stroke, the door conducts its normal-speed opening/closing operation after completion of its traveling the predetermined minimum door stroke to enable the door to conduct its normal-speed operation within a short time after the power-supply switch is turned on.

REFERENCES:
patent: 4401929 (1983-08-01), Odaka et al.
patent: 4408146 (1983-10-01), Beckerman
patent: 4563625 (1986-01-01), Korn Brekke et al.

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