Automatic light-intensity control

Details Automatic light-intensity control Automatic light-intensity control

1984-07-20

1986-12-23

Harkcom, Gary V.

Boots, shoes, and leggings

364148, 364480, 364551, 364571, 362 32, 362227, 362276, 362802, G06F 1520

Patent

active

046316752

ABSTRACT:
An illumination sensing and light level control system for an area of interest includes a light collector to collect and focus light from a relatively large portion of the area of interest, a light-sensitive array including a matrix of light-intensity sensitive elements for receiving light collected and focused by the collector, a multiplexer and signal conditioner for processing and digitizing the light intensity values, a microprocessor for processing the digitized data and controlling the operation and control functions of the system, and a controller for controlling the light level of one or more lamps or sets of lamps associated with the area of interest. A calibration device is used to generate the desired matrix values for comparison.

REFERENCES:
patent: 3898643 (1975-08-01), Ettlinger
patent: 4001571 (1977-01-01), Martin
patent: 4141056 (1979-02-01), Neely
patent: 4241295 (1980-12-01), Williams, Jr.
patent: 4281365 (1981-07-01), Elving et al.
patent: 4383288 (1983-05-01), Hess, II et al.
patent: 4392187 (1983-07-01), Bornhorst
patent: 4511824 (1985-04-01), Goddard
patent: 4538218 (1985-08-01), Watson

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