发明名称 Projector
摘要 An image sensor is installed in the vicinity of a projection lens. The image sensor images a projected and displayed image and a screen. A projection display area and a screen area are detected from the image imaged by the image sensor. An inputted image data is corrected so that the projection display area matches the screen area. The image to be displayed is automatically displayed in a shape, which matches a display surface of the screen.
申请公布号 US6846081(B2) 申请公布日期 2005.01.25
申请号 US20030621366 申请日期 2003.07.18
申请人 NEC VIEWTECHNOLOGY, LTD. 发明人 MOCHIZUKI KAZUO;AOYANAGI HISAKAZU;MORIWAKI DAISUKE
分类号 H04N5/74;H04N9/31;H04N17/00;(IPC1-7):G03B21/14 主分类号 H04N5/74
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