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:
Mar. 21, 2006
Filed:
Jun. 12, 2004
Donald J. Stavely, Windsor, CO (US);
David K. Campbell, Loveland, CO (US);
Eric F. Aas, Windsor, CO (US);
Gregory V. Hofer, Loveland, CO (US);
Scott A. Woods, Bellvue, WA (US);
Dan L. Dalton, Greeley, CO (US);
Kurt E. Spears, Fort Collins, CO (US);
Donald J. Stavely, Windsor, CO (US);
David K. Campbell, Loveland, CO (US);
Eric F. Aas, Windsor, CO (US);
Gregory V. Hofer, Loveland, CO (US);
Scott A. Woods, Bellvue, WA (US);
Dan L. Dalton, Greeley, CO (US);
Kurt E. Spears, Fort Collins, CO (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
Autofocus methods and digital cameras employing a holographic element or hologram. The holographic element generates one or more displaced images that are processed to generate a bipolar contrast signal that provides for improved autofocus performance of the digital camera.