发明名称 LIGHT AND COLOR SENSING POINTING DEVICE
摘要 <p>An apparatus and method for performing light and color calibration utilizing a pointing device. The present invention is a light and color measuring system including a silicon photodiode IC (140), color optical filters (130), an infrared optical filter (120), and a sensor view port (70) for illuminated sources and/or reflective mediums, wherein the invention is packaged in the same physical package with a standard positional sensing mechanism including a mouse trackball (50), a horizontal encoder (100), a vertical encoder (110), and a communication cable for connecting the apparatus to a computer and a display device.</p>
申请公布号 WO2000042595(A1) 申请公布日期 2000.07.20
申请号 US2000001229 申请日期 2000.01.19
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