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. 23, 2010
Filed:
Jun. 12, 2007
Keun Woo Park, Gyunggi-do, KR;
Bong Soon Kang, Busan, KR;
Joo Hyun Kim, Busan, KR;
Hyun Sik Kim, Busan, KR;
Kang Joo Kim, Gyunggi-do, KR;
Tae Eung Kim, Gyunggi-do, KR;
Keun Woo Park, Gyunggi-do, KR;
Bong Soon Kang, Busan, KR;
Joo Hyun Kim, Busan, KR;
Hyun Sik Kim, Busan, KR;
Kang Joo Kim, Gyunggi-do, KR;
Tae Eung Kim, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon, KR;
Abstract
An automatic exposure control apparatus employed by an image sensor module including a lens unit, an image sensing unit having a shutter, and an image signal processing unit, the apparatus including: a brightness calculator extracting average brightness of a image signal; a brightness adjustment determiner determining whether to fix or adjust a speed of the shutter based on the average brightness; an adjustment path controller controlling the speed of the shutter by using the brightness error; a digital filter filtering the brightness error; a shutter speed adjuster adjusting a present shutter speed value by using one of the brightness error and the filtered brightness; and a shutter speed controller controlling a speed of the shutter by using the adjusted shutter speed value.