Optics: image projectors – Cabinet encloses projector and one side of screen
Reexamination Certificate
2007-09-05
2010-11-16
Luu, Thanh X (Department: 2878)
Optics: image projectors
Cabinet encloses projector and one side of screen
C353S078000, C359S449000, C359S460000
Reexamination Certificate
active
07832874
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:
patent: 6558017 (2003-05-01), Saraiji et al.
patent: 2006/0242981 (2006-11-01), Grassmuck et al.
patent: 2007/0229767 (2007-10-01), Ikeda et al.
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Japanese Office Action (and English translation thereof) dated Nov. 18, 2008, issued in a counterpart Japanese Application.
Literature Reference: “A Display Shelf for Display”, Nikkei industrial newspaper, compact edition, Japan, Nikkei Inc., Sep. 29, 2006, the front page.
Related U.S. Appl. No. 11/728,287, filed Mar. 23, 2007; Inventors: Yoshihiko Ikeda et al; Title: Display Shelf and Display Shelf System; Patent Application Publication No. US 2007/0229767 A1.
Related U.S. Appl. No. 12/002,736, filed Dec. 18, 2007; Inventors: Hiroki Mochizuki et al; Title: Image Display Controller for Display Shelf.
Related U.S. Appl. No. 12/070,696, filed: Feb. 20, 2008; Inventors: Yoshihiko Ikeda et al; Title: Display Shelf and Display Shelf System.
Japanese Office Action dated Mar. 2, 2009 (6 pages), and partial English translation thereof (3 pages) issued in counterpart Japanese Application No. 2007-030197.
Extended European Search Report dated Jun. 13, 2008, issued in a counterpart European Application.
Ikeda Yoshihiko
Mochizuki Hiroki
Legasse Jr. Francis M
Luu Thanh X
Patterson & Sheridan L.L.P.
Toshiba Tec Kabushiki Kaisha
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