The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 18, 2014

Filed:

Apr. 29, 2010
Applicants:

Harald Josef Günther Radermacher, Aachen, DE;

Christoph Martiny, Aachen, DE;

Inventors:
Assignee:

Koninklijke Philips N.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01); H05B 37/02 (2006.01); H05B 39/04 (2006.01); H05B 41/36 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a circuit () for sensing a property of light there are provided a first circuit element () that is sensitive to light and that is realized to generate an output signal (I) during a measurement time period (ΔtM), wherein the output signal (I) is generated according to light to which the first circuit element () is exposed and the temperature (T) of the first circuit element (), and a second circuit element () that is realized to increase the temperature (T) of the first circuit element () during a warming time period (ΔtW) that precedes the measurement time period (ΔtM).


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