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.
Patent No.:
Date of Patent:
Oct. 11, 2011
Filed:
Aug. 18, 2005
Applicants:
Ronald Jonas Festejo, London, GB;
Peter Marshall, London, GB;
Inventors:
Ronald Jonas Festejo, London, GB;
Peter Marshall, London, GB;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Data processing apparatus arranged to receive successive images from a video camera comprises means for detecting the average image luminance of images received from the video camera; means for detecting whether the average image luminance is lower than a threshold luminance value; and means for initiating a control function of the data processing apparatus in response to detection of an average image luminance which is lower than the threshold luminance value over at least a threshold number of successive images.