Portable screen assemblies for projectors
US7623290B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2006 |
| Grant date | Nov 24, 2009 |
| Priority date | — |
| Expiry date | Aug 10, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/56
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A portable screen assembly includes a first side support and a second sides support, where the first side support and the second side support are connected to a fabric. The portable screen assembly also includes a center support brace connected to the fabric. A first support leg extends downward from the first side support and the a second support leg extends downward from the second side support. A motorized portable screen assembly includes a fabric, a first side support, a second side support, and a center support assembly. The fabric is connected to the first side support and the second side support. An expandable support brace is connected to the first side support, the second side support, and the center support assembly. An automatic deployment mechanism is connected to the expandable support brace, and the automatic deployment mechanism drives the expandable support brace to open in a horizontal direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.