Data distribution in lighting systems

Details Data distribution in lighting systems Data distribution in lighting systems

1997-05-12

1998-10-13

Pascal, Robert J.

Electric lamp and discharge devices: systems

Plural load device systems

Electric switch in the supply circuit

315194, 315199, 315291, 323277, 323237, 323322, 323905, H05B 3700

Patent

active

058217037

ABSTRACT:
A lighting system made up of a plurality of light fixtures which each produce a light beam, in which each of a plurality of varying devices, each having an input and an output, and each capable of varying at least one parameter of the light beam from at least one of the light fixtures, is responsive to a first value received at the input, where the first value corresponds to the desired adjustment of a parameter of the light beam. Each of the varying devices is also capable of generating a second value which represents status information, and transmitting the second value via the output. A controller produces the first value and sends it to an output which is coupled to the input of the varying device. A monitoring device has an input and is separate from the controller, and its input is coupled to the output of the varying device.

REFERENCES:
patent: 3845351 (1974-10-01), Ballmoos et al.
patent: 3846671 (1974-11-01), Johnson
patent: 3898516 (1975-08-01), Nakasone
patent: 3943397 (1976-03-01), Yancey
patent: 3990000 (1976-11-01), Digneffe
patent: 3991344 (1976-11-01), Tabor
patent: 4550276 (1985-10-01), Callahan et al.

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