发明名称 IMAGE PROJECTION APPARATUS, IMAGE PROJECTION METHOD, AND COMPUTER-READABLE STORAGE MEDIUM
摘要 An image projection apparatus includes a light source configured to emit light with a luminance according to electric power; a color wheel configured to sequentially transmit the light through multiple color filters arranged along a circumferential direction; a light modulation element configured to form an image by modulating an intensity of the light transmitted through the color wheel according to an input signal representing input image data; and a selection controller configured to select, out of a first waveform indicating temporal change in electric power supplied to the light source in a first mode and a second waveform indicating temporal change in electric power supplied to the light source in a second mode, the second waveform when a luminance value of the input signal is equal to or less than a first threshold. A brightness of the image in the second mode is lower than that in the first mode.
申请公布号 EP3013046(A2) 申请公布日期 2016.04.27
申请号 EP20150184547 申请日期 2015.09.09
申请人 RICOH COMPANY, LTD. 发明人 HOSOI, NOBUHIRO;KADO, TAKAHIRO
分类号 H04N9/31;G03B21/20 主分类号 H04N9/31
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