发明名称 Portable multimedia projection system
摘要 A portable multimedia projection system includes a portable housing, a media player disposed, a sound system, an image projection device, a controller and a vibration dampening device. The sound system has at least one internally-mounted speaker. The image projection device externally projects images. The controller is electrically coupled to the media player, the sound system and the image projection device. The controller directs audio signals from the media player to the sound system and directs video signals from the media player to the image projection device. The vibration dampening device is coupled between the housing and at least one of the media player, the at least one internally-mounted speaker and the image projection device.
申请公布号 US6966651(B2) 申请公布日期 2005.11.22
申请号 US20040969644 申请日期 2004.10.20
申请人 JOHNSON RESEARCH AND DEVELOPMENT CO., INC. 发明人 JOHNSON LONNIE G.
分类号 G03B21/00;G03B21/14;G03B21/30;G03B31/00;G11B17/04;G11B31/00;G11B33/02;G11B33/08;H04N5/64;H04N5/74;H04Q;(IPC1-7):G03B31/00 主分类号 G03B21/00
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