System for evaluating luminance and movement within an...

Details System for evaluating luminance and movement within an... System for evaluating luminance and movement within an...

2005-09-15

2008-12-02

Epps, Georgia Y (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

C250S221000

Reexamination Certificate

active

07459661

ABSTRACT:
A sensor system has a video camera and an evaluation unit, the evaluation unit receiving a video signal from the video camera and providing output information relating to luminance and movement of an observation space. The evaluation unit can include a microcontroller that undertakes calculations in order to provide the output information. However, the sensor system can be included in a light control system. A method for controlling an artificial light component of controllable light sources via a light control system includes: picking up a video signal, relaying the video signal to the input of the evaluation unit, evaluating the video signal with reference to luminance and movement in the evaluation unit, outputting the information relating to luminance and movement at the output of the evaluation unit to a control unit and setting a desired brightness of the controllable light sources via the control unit.

REFERENCES:
patent: 5717379 (1998-02-01), Peters
patent: 6154133 (2000-11-01), Ross et al.
patent: 6340864 (2002-01-01), Wacyk
patent: 2003/0025599 (2003-02-01), Monroe
patent: 2003/0210340 (2003-11-01), Romanowich
patent: 2004/0143380 (2004-07-01), Stam et al.
Search Report from European Patent Office (for related foreign patent application) referencing the above-listed patent documents, dated Feb. 2, 2006 (5 pages total).

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