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《Video Engineering》 2012-S2
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Analysis of Image Sensor Technology Patent: Macroscopic Quantitative Analysis of Image Sensor Technology

YANG Longxin,ZUO Tianyuan,HOU Guanhua (Patent Examination Cooperation Center of the Patent Office,SIPO,Beijing 100190,China)  
Image sensor is the device for converting optical images to electrical signal,which is widely used in camcorders,digital camera,camera phones and other devices.Image sensors are mainly divided into CCD(Charged Coupled Device) and CMOS(Complementary Metal-Oxide Semiconductor).In this paper,the overall changes of the patents of the field are statistical analyzed to study the current technology development situation,the patent applicants of competitive advantages in China market are analyzed,and the industry development risks and opportunities are revealed based on the patents of the field of the image sensor.
【CateGory Index】: G306;TP212
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