Light control system

Details Light control system Light control system

1977-05-18

1978-06-13

Smith, Alfred E.

Electric lamp and discharge devices: systems

With radiant energy sensitive control means

Plural load devices

315158, 315293, 315294, 315315, H05B 3702, H05B 3904

Patent

active

040951391

ABSTRACT:
A light control system for selectively controlling the light intensity levels of a plurality of light groups, each group including one or more lights, is disclosed. The system comprises a control for generating a parallel binary-coded signal representative of a predetermined current level to be applied to a particular light group; a signal generator for providing (1) a unique and predetermined serially-coded address signal corresponding to the particular light group and, (2) a serially-coded data signal representative of the current level in response to the parallel binary-coded signal, and; a plurality of receivers, at least one for each light group for applying the current level to the particular light group only in response to the address signal and data signal. A common wire bus for transmitting the address and data signals from the signal generator to each of the receivers is utilized to substantially reduce the wiring required.

REFERENCES:
patent: 3265932 (1966-08-01), Pettersson et al.
patent: 3491263 (1970-01-01), Isaacs

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