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:
Feb. 22, 2011
Filed:
Apr. 21, 2005
Adrianus Johannes Stephanes Maria DE Vaan, Eindhoven, NL;
Adrianus Johannes Stephanes Maria De Vaan, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
The invention relates to a handheld projection system () comprising a projection device () for projecting an image onto a projection surface (). The projection device has at least two drive power modes associated with different qualities of the projected image. The handheld projection system further comprises a selection device () for selecting one of said at least two drive power modes on the basis of the currently selected power source of the system, so that the quality of the projected image is adjusted on the basis of the power source of the handheld projection system. The handheld projection system according to the invention may easily be adapted to different situations of usage involving different requirements when it comes to projected image quality and device properties.