Control apparatus of automatic door

Details Control apparatus of automatic door Control apparatus of automatic door

1981-07-08

1983-08-30

Dobeck, B.

Electricity: motive power systems

Automatic and/or with time-delay means

Movement, position, or limit-of-travel

318266, H02P 300

Patent

active

044019297

ABSTRACT:
A control apparatus of an automatic door is adapted such that a time period required for opening a door to a full-opened state is stored and a target time period required for opening the door to a half-opened state or to a 3/4-opened state is determined by evaluating the stored time period for opening the door to a full-opened state. In an operation mode for opening the door to a half-opened state or a 3/4-opened state, comparison is made of a lapse time period of the current operation for opening the door and the target time period is calculated, in advance whereupon a motor is brought to a stop upon coincidence thereof.

REFERENCES:
patent: 4006392 (1977-02-01), Catlett

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