DocumentCode :
2699546
Title :
An aspect ratio switchable 2/3-inch 800 k-pixel CCD image sensor
Author :
Itakura, K. ; Nobusada, T. ; Toyoda, T. ; Saitoh, Y. ; Kokusenya, N. ; Nagayoshi, R. ; Tanaka, H. ; Ozaki, M.
Author_Institution :
Electron. Res. Lab., Matsushita Electron. Corp., Osaka, Japan
fYear :
1995
fDate :
15-17 Feb. 1995
Firstpage :
220
Lastpage :
221
Abstract :
CCDs developed to date are designed for specific applications such as NTSC, PAL, Hi-Vision, and so on, so that they are not used for other TV systems. Recently, the applications of the image sensors are expanding, especially multi-media systems and next-generation TV systems. It is strongly desired that camera systems in the future be adaptable to various applications in terms of the inter-operability among the applications. To meet this demand, this multi-use CCD can be used for various applications, by use of "adaptive extraction of image area". This is achieved by the driving method and device technology for ultra-fast charge transfer. This paper demonstrates a 2/3-inch 800k-pixel CCD outputting video formats with different aspect ratios (16:9, 4:3) by use of the adaptive extraction of image area The device has sufficient performance for broadcasting use regardless of the aspect ratio: 140 mV/lx sensitivity, 80 dB dynamic range, -120 dB smear level and 60 dB S/N ratio.
Keywords :
CCD image sensors; adaptive signal processing; television camera tubes; 0.667 in; 800 kpixel; CCD image sensor; S/N ratio; adaptive extraction; aspect ratio switchable device; camera systems; device technology; driving method; dynamic range; image area; inter-operability; next-generation TV systems; sensitivity; smear level; ultra-fast charge transfer; video formats; Broadcasting; Cameras; Charge coupled devices; Charge transfer; Charge-coupled image sensors; Dynamic range; Image sensors; Multimedia communication; Multimedia systems; TV;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Solid-State Circuits Conference, 1995. Digest of Technical Papers. 41st ISSCC, 1995 IEEE International
Conference_Location :
San Francisco, CA, USA
ISSN :
0193-6530
Print_ISBN :
0-7803-2495-1
Type :
conf
DOI :
10.1109/ISSCC.1995.535530
Filename :
535530
Link To Document :
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