Multiple channel, multiple scene dimming system

Details Multiple channel, multiple scene dimming system Multiple channel, multiple scene dimming system

1997-05-12

1998-09-29

Lee, Benny

Electric lamp and discharge devices: systems

Plural load device systems

Electric switch in the supply circuit

315292, 315318, H05B 3702

Patent

active

058149503

ABSTRACT:
A lighting control and dimming system utilizes a single traveler conductor for transmitting analog data signals corresponding to a particular light intensity level of dimmers in a dimmer group. A predetermined binary data word is retrieved from the read-only memory of a remote controller and is transmitted serially in an analog pulse train over the traveler conductor to each dimmer unit. Each dimmer unit includes a microcontroller and read-only memory in which a group of binary numbers are stored. The analog data signal received by each dimmer is converted to binary and is compared bit-by-bit with each binary number stored in the dimmer memory. A serial bit comparator produces an enable signal in response to a bit-by-bit identity match between the converted analog data signal and the preset binary number stored in the dimmer ROM. Dimmers enabled by the transmitted analog data signal produce a predetermined scene at a particular brightness level corresponding with one of the stored binary numbers.

REFERENCES:
patent: 4733138 (1988-03-01), Pearlman et al.

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