Control system for a radio-controlled door operator

Details Control system for a radio-controlled door operator Control system for a radio-controlled door operator

1983-12-30

1985-01-01

Shoop, William M.

Electricity: motive power systems

Motor-reversing

Periodic- or intermittent-reversing

318466, H02P 140

Patent

active

044917740

ABSTRACT:
A radio-controlled door operator system includes a reversible AC motor and lamp. Power is supplied to the motor and lamp by a pair of power control relays each having two single-pole double-throw contacts. Actuation of one relay results in clockwise rotation of the motor and lighting of the lamp. Actuation of the other relay results in counter-clockwise rotation of the motor and lighting of the lamp. Actuation of both relays results in lighting of the lamp only. Three different active operating states are thus established by the two relays.

REFERENCES:
patent: 2295355 (1942-09-01), Prescott
patent: 3178627 (1965-04-01), Houk
patent: 3993940 (1976-11-01), Volk, Jr.
patent: 3996591 (1976-12-01), Hayward
patent: 4142137 (1979-02-01), Umpleby et al.
patent: 4394605 (1983-06-01), Terazawa

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