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. 15, 2005
Filed:
Dec. 03, 2002
Mitsumasa Okubo, Hino, JP;
Mitsumasa Okubo, Hino, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
A CPU judges whether a current operating state of a camera corresponds to an in-service state of a lens barrel or an in-service state of a self-timer, and performs light emission control over a front display LED or a rear display LED by controlling an LED drive circuit. The front display LED or the rear display LED is constituted by integrating LED chips having a plurality of types of colors. Therefore, the front display LED and the rear display LED can emit the light in a plurality of different colors by using one light source.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile