Door operation control apparatus

Details Door operation control apparatus Door operation control apparatus

1981-12-04

1984-10-02

Truhe, J. V.

Electricity: motive power systems

Plural diverse motor controls

Motor-reversing

318266, 318466, 318264, 318626, 318281, 318282, G06F 704

Patent

active

044750692

ABSTRACT:
A motor driving a garage door is controlled by a controller, and the rotation of the motor in the normal and reverse directions is normally controlled in response to an actuating signal applied to the controller from a main push button switch. In a specific-mode in which an actuating signal is applied to the controller from an emergency push button switch, a mat switch or a fire sensor, the latter signal has priority over the former signal, and the motor is driven to move the garage door to its full-open position.

REFERENCES:
patent: 4328540 (1982-05-01), Matsuoka
patent: 4344252 (1982-08-01), Suzuki
patent: 4365250 (1982-12-01), Matsuoka
patent: 4386398 (1983-05-01), Matsuoka

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