公开(公告)号：US20150244949A1

公开(公告)日：2015-08-27

申请号：US14599981

申请日：2015-01-19

Applicant: Rajiv Laroia ,  Sapna A Shroff

Inventor： Rajiv Laroia ,  Sapna A Shroff

IPC: H04N5/353 ,  H04N5/225 ,  H04N5/235

CPC classification number: H04N5/3532 ,  F21V5/04 ,  F21V7/04 ,  F21V14/04 ,  F21V23/0442 ,  F21Y2101/00 ,  F21Y2115/10 ,  G02B26/0816 ,  G02B27/0955 ,  H04N5/2254 ,  H04N5/2256 ,  H04N5/2258 ,  H04N5/23212 ,  H04N5/23258 ,  H04N5/23296 ,  H04N5/2352 ,  H04N5/238

Abstract: Illumination methods and apparatus which are well suited for use with camera devices are described. The methods are well suited for use with a rolling shutter. In some embodiments, plurality of lighting elements are provided and controlled in a manner which is synchronized with operation of the rolling shutter. While the portion of an area which is being captured by the sensor is illuminated during the image capture process, lighting elements corresponding to portions of the area which are not being captured are not activated when the corresponding area portion is not being captured. In this manner the entire area is not illuminated at the same level for the entire image capture period and energy is used more efficiently as compared to devices which illuminate a complete area at a consistent illumination level for the full duration of an image capture time period in which a rolling shutter is used.

Abstract translation: 描述了非常适合与相机装置一起使用的照明方法和装置。 这些方法非常适合用于卷帘门。 在一些实施例中，以与滚动快门的操作同步的方式来提供和控制多个照明元件。 虽然在图像拍摄过程中被传感器捕获的区域的部分被照亮，但是当没有捕获相应的区域部分时，与未被捕获的区域相对应的照明元件不被激活。 以这种方式，在整个图像捕获周期中，整个区域不被照射在相同的水平，并且与在图像捕获时间段的整个持续时间内以一致的照明水平照亮整个区域的装置相比，能量被更有效地使用， 使用滚动快门。