Invention Grant
- Patent Title: Projection apparatus which adjusts power to light-emitting devices to correct a decrease in luminance due to heat generation, and projection method and program for the same
- Patent Title (中): 调整发光装置的功率以校正由于发热引起的亮度降低的投影装置，以及用于其的投影方法和程序
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Application No.: US12720820Application Date: 2010-03-10
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Publication No.: US09052576B2Publication Date: 2015-06-09
- Inventor: Mamoru Shibasaki , Hideo Suzuki
- Applicant: Mamoru Shibasaki , Hideo Suzuki
- Applicant Address: JP Tokyo
- Assignee: CASIO COMPUTER CO., LTD.
- Current Assignee: CASIO COMPUTER CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Holtz, Holtz, Goodman & Chick PC
- Priority: JP2009-059672 20090312
- Main IPC: G03B21/00
- IPC: G03B21/00 ; G03B21/14 ; G09G3/34 ; H04N9/31 ; H05B33/08
Abstract:
There is provided a projection apparatus including a plurality of light-emitting devices for respectively emitting lights of a plurality of colors, a projecting unit for forming an optical image of a plurality of color components for each frame and sequentially projecting the optical image, and a power control unit for adjusting power to be supplied to the plurality of light-emitting devices to correct a decrease in luminance due to heat generation of the plurality of light-emitting devices.
Public/Granted literature
- US20100231864A1 PROJECTION APPARATUS, PROJECTION METHOD AND PROGRAM Public/Granted day:2010-09-16
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