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:
Aug. 30, 2005
Filed:
Mar. 20, 2001
Harjit Singh, Redmond, WA (US);
Robert T. Kilzer, Issaquah, WA (US);
Harjit Singh, Redmond, WA (US);
Robert T. Kilzer, Issaquah, WA (US);
Microsoft Corporation, Redmond, WA (US);
Abstract
An indication of sharpness of focus is provided to a user to assist in focusing a camera. In one embodiment, the camera is coupled to a personal computer. An algorithm is implemented by the personal computer to determine a sharpness of focus based upon differences between the luminance of adjacent pixels in a selected region of an image produced by the camera. A visual or aural indication of the sharpness of focus is provided to the user to enable the user to focus the camera to the sharpest possible focus. Alternatively, the algorithm can be implemented by a processor within a camera so that a visual or aural indicator on the camera provides the indication of sharpness of focus as a user adjusts the focus of the camera.