Optics: image projectors – Projector or screen removable from common housing – Plural reflectors between lamp and screen
Reexamination Certificate
2010-11-04
2011-11-01
Legasse, Jr., Francis M (Department: 2878)
Optics: image projectors
Projector or screen removable from common housing
Plural reflectors between lamp and screen
C353S074000, C359S440000, C359S460000
Reexamination Certificate
active
08047657
ABSTRACT:
Screens are positioned at front areas of respective placing tables which form placing spaces for placing an article. Each of the screens is a transmission-type screen capable of transmitting projection image light projected on a back side of the screen. A first optical system and a second optical system are arranged inside the display shelf. The first optical system leads first partial image light, which is included in projection image light projected from a projector in the display shelf, to the back sides of the screens. And the second optical system leads second partial image light, which is included in the projection image light, to at least one of the placing spaces.
REFERENCES:
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patent: 2006/0242981 (2006-11-01), Grassmuck et al.
patent: 2007/0229767 (2007-10-01), Ikeda et al.
patent: 2008/0055087 (2008-03-01), Horii et al.
patent: 2008/0151197 (2008-06-01), Mochizuki et al.
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Literature Reference: “A Display Shelf for Display,” Nikkei industrial newspaper, compact edition, Nikkei Inc., Sep. 29, 2006, front page.
European Search Report dated Jun. 13, 2008, issued in counterpart European Application.
Japanese Office Action (and English translation thereof) dated Nov. 18, 2008, issued in a counterpart Japanese Application.
Japanese Office Action dated Mar. 2, 2009 (6 pages), and partial English translation thereof (3 pages) issued in counterpart Japanese Application No. 2007-030197.
Ikeda Yoshihiko
Mochizuki Hiroki
Legasse Jr. Francis M
Patterson & Sheridan LLP
Toshiba TEC Kabushiki Kaisha
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