发明名称 SIGNAL PROCESSOR
摘要 PROBLEM TO BE SOLVED: To provide a signal processor which can be mounted on a portable display device, such as a note PC, etc., and can display image signals containing standard image signals, such as the NTSC, etc., and image signals not following any standard in a mixed state with vivid colors and with which display equipment incorporated with a display device, and can develop mass-production of an image processor as a set after the display device is corrected to the optimum luminance, colors and emphasis. SOLUTION: This signal processor has a parameter storing means which stores a plurality of inverse gamma correction parameters; a parameter selecting means which decides the presence of a signal level lower or higher than a prescribed value from inputted image signals, and selects one from among the inverse gamma correction parameters based on the decision results; and an inverse gamma correcting means which performs inverse gamma correction on the inputted image signals, based on the inverse gamma correction parameter selected by means of the parameter selecting means. COPYRIGHT: (C)2004,JPO
申请公布号 JP2003319411(A) 申请公布日期 2003.11.07
申请号 JP20020117250 申请日期 2002.04.19
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 SHIMAZAKI HIROAKI;TSUDA KENJIRO;SAKOTA KUNIHIKO
分类号 G09G3/36;G06T5/00;G09G3/20;G09G5/00;G09G5/02;G09G5/10;G09G5/14;H04N5/202;H04N5/66;H04N9/69;(IPC1-7):H04N9/69 主分类号 G09G3/36
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