发明名称 ELECTRONIC EQUIPMENT HAVING PROJECTION FUNCTION
摘要 PROBLEM TO BE SOLVED: To provide electronic equipment having a projection function, the equipment suppressing a decrease in the brightness of a projection image even if power supplied to a light source is decreased in order to reduce power consumption. SOLUTION: The electronic equipment having a projection function includes: a projecting unit 200 that projects a projection image by using light generated by the LED light source 223; a light-source power supply control section 101A that controls power supplied to the LED light source 223; and a projection image size control section 101B that controls the size of a projection image projected by the projecting unit 200; a battery remaining capacity estimating circuit 323 that detects a remaining capacity of a battery 321 that supplies power. On the basis of the remaining capacity of the battery 321, the light-source power supply control section 101A alters power supplied to the LED light source 223. On the basis of power supplied to the LED light source 223, the projection image size control section 101B alters the size of a projection image. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009086223(A) 申请公布日期 2009.04.23
申请号 JP20070254949 申请日期 2007.09.28
申请人 NIKON CORP 发明人 FUJINAWA NOBUHIRO;YAMAMOTO TETSUYA
分类号 G03B21/00;G03B17/54;H04N5/225 主分类号 G03B21/00
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