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:
May. 25, 2010
Filed:
Dec. 14, 2007
Hye Ran OH, Gyunggi-do, KR;
Ho Sik You, Gyunggi-do, KR;
IN Cheol Chang, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon, KR;
Abstract
There is provided an optical movement sensing system which can be miniaturized and ensures a wide angle of view. The optical movement sensing system collecting light reflected from an object to be imaged on an optical sensor, the optical movement sensing system including: a wide-angle lens including a first lens element having a curved object-side surface; and a second lens element having an object-side surface in contact with an image-side surface of the first lens element and having a planar image-side surface. The optical movement sensing system with this configuration can be reduced in size and weight and has a wide angle of view. Therefore, the optical movement sensing system is applicable to a mobile device such as a mobile telecommunication terminal and assures sufficient peripheral light amount.