Display shelf for illuminating an article placed on a placing table
US7832874B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2007 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | Mar 25, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47F3/001
- WIPO fieldFurniture, games
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.