发明名称 PROJECTION DISPLAY APPARATUS
摘要 A projection display apparatus is placed on an installation surface forming a horizontal plane and projects an image onto a projection plane provided on a horizontal plane. The projection display apparatus includes: an imager that modulates the light emitted from a light source; an projection unit that projects the light emitted from the imager onto the projection plane; and an acoustic device that outputs a sound in the vertical direction.
申请公布号 US2012133894(A1) 申请公布日期 2012.05.31
申请号 US201113307820 申请日期 2011.11.30
申请人 SANYO ELECTRIC CO., LTD. 发明人 TANAKA MASAFUMI;MATSUMOTO SHINYA;KUBO RYOKO;MAEDA MAKOTO
分类号 G03B31/00 主分类号 G03B31/00
代理机构 代理人
主权项
地址