Method for controlling opening/closing operation of automatic do

Details Method for controlling opening/closing operation of automatic do Method for controlling opening/closing operation of automatic do

1986-12-29

1988-10-04

Ro, Bentsu

Electricity: motive power systems

Plural diverse motor controls

Motor-reversing

318272, 318277, E05F 1500, G05D 300

Patent

active

047758236

ABSTRACT:
According to a method for controlling an automatic door of the present invention, even when an accidental condition occurs due to some obstacle clogging a traveling lane of the door, the door can move at a high speed to its deceleration point so as to immediately enable a man to go through the door opening, while the door is prevented from colliding at a high speed against the obstacle repeatedly to make it possible to increase both the durability and safety of the door.

REFERENCES:
patent: 3891909 (1975-06-01), Newson
patent: 4092575 (1978-05-01), Ogishi et al.
patent: 4529920 (1985-07-01), Yoshida et al.
patent: 4565954 (1986-01-01), Yamanishi et al.

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