发明名称 Multiple light projection type image display apparatus combining and projecting lights from light sources and control apparatus therefor
摘要 In a control apparatus for use in a multiple light projection type image display apparatus, the control apparatus includes a light source driver part configured to drive a plurality of light sources; and an apparatus controller configured to control the light source driver part. The light source driver part drives the plurality of light sources at respective different frequencies.
申请公布号 US9291885(B2) 申请公布日期 2016.03.22
申请号 US201313899200 申请日期 2013.05.21
申请人 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. 发明人 Ueda Akira
分类号 H05B41/16;G03B21/20;H05B37/02 主分类号 H05B41/16
代理机构 Hamre, Schumann, Mueller & Larson, P.C. 代理人 Hamre, Schumann, Mueller & Larson, P.C.
主权项 1. A control apparatus for use in a multiple light projection type image display apparatus including a plurality of light sources, the control apparatus comprising: a plurality of light source driver parts configured to drive a plurality of light sources respectively; and an apparatus controller configured to control the plurality of light source driver parts, wherein each of the plurality of light source driver parts includes a switching power supply circuit, wherein the plurality of light source driver parts are provided in correspondence with the plurality of light sources respectively, and wherein the apparatus controller controls the plurality of light source driver parts to drive the switching power supply circuits at operation frequencies different from each other.
地址 Osaka JP