Tensioned projection screen apparatus
US6785047B1 · kind B1 · utility
22Cited by
17References
44Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2002 |
| Grant date | Aug 31, 2004 |
| Priority date | — |
| Expiry date | Dec 20, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/565
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A projection apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a frame, a screen, and a screen coupler configured to couple the screen to the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.