发明名称 DISPLAY DEVICE FOR GAME MACHINE AND GAME MACHINE
摘要 A display device for game machine, comprising a projector unit (21) for enlargedly projecting an image by a back projection system, a screen film (22) for forming the image projected by the projector unit (21), and a Fresnel lens (24) disposed between the projector unit (21) and the screen film (22), whereby, since the Fresnel lens (24) is disposed between the projector unit (21) and the screen film (22), the image can be displayed over the entire area of a game panel (11) uniformly with a high illuminance.
申请公布号 WO03063984(A1) 申请公布日期 2003.08.07
申请号 WO2003JP01039 申请日期 2003.01.31
申请人 SEIKO EPSON CORPORATION 发明人 MORIYAMA, YOSHIYUKI;TSUKAGOSHI, SHINICHI;HOSAKA, TOSHIYUKI;NAGATE, TORU
分类号 A63F7/02;G07F17/32;(IPC1-7):A63F7/02;A63F5/04 主分类号 A63F7/02
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