System for controlling the operation of electrically powered app

Details System for controlling the operation of electrically powered app System for controlling the operation of electrically powered app

1984-10-18

1988-08-30

Moore, David K.

Electric lamp and discharge devices: systems

Automatic substitution of the load device or electrode

Plural load devices with selective substitution of load...

315 88, 315131, 315322, H05B 3910

Patent

active

047679689

ABSTRACT:
The preferred embodiment of the present invention provides a control system which permits operation of electrically powered apparatus in any one of several active modes from a controller mounted remotely from the apparatus. The system is particularly useful for controlling the operation of at least a pair of light sources. The system permits switching, from the controller, energizing power from an energized light source to a de-energized light source. Electrical communication between the controller of the system and the light head can be provided by only two electrical conductors.

REFERENCES:
patent: 3678286 (1972-07-01), Willis
patent: 3790846 (1974-02-01), Morris
patent: 3883777 (1975-05-01), Morita
patent: 4034259 (1977-07-01), Schoch
patent: 4068216 (1978-01-01), Brouwer et al.
patent: 4227119 (1980-10-01), Murata et al.
patent: 4250432 (1981-02-01), Kohler
patent: 4288844 (1981-09-01), Fisher et al.
patent: 4458179 (1984-07-01), Bainbridge et al.
patent: 4461974 (1984-07-01), Chiu

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