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| Number | Title | Issue Date |
| 7320524 | Projector and air filtration device thereof An air filtration device for projector includes a holder, a filter, and a rack. The rack is movably disposed in the holder for supporting the filter. When the rack moves to a first position, the rack is received within the holder. When the rack moves from the first ... | 01/22/2008 |
| 7226174 | Apparatus for mounting a data/video projector in a portable enclosure The invention relates to an apparatus for securely mounting a data/video projector in a portable enclosure with an adjustable mounting surface for the projector. The invention includes an apparatus that allows for easy adjustment of pitch angle of the projector to a... | 06/05/2007 |
| 6995906 | Projection unit A rear projection unit has a screen mounted in a frame which supports a projector at a desired position in relation to the screen. The projector can thereby be positioned in various ways and the frame reduced and enlarged according to the requirements of the project... | 02/07/2006 |
| 5568963 | Method and apparatus for multimedia presentations A mobile audio visual presentation system contained within a telescoping tower platform that provides height adjustment means for video display devices. The telescoping tower provides stability, transportability, versatility and optimum sound/video projec... | 10/29/1996 |
| 5523790 | Modular video wall system A large format video display includes modular construction to permit the repair and exchange of single modules. Each module includes a pair of enantiomorphic side panels, each including top and bottom flanges and a rear flange extending inwardly. At the f... | 06/04/1996 |
| 5515125 | Storage cart for instructional devices A lockable storage cart for an overhead projector and a calculator viewscreen for a graphics calculator viewscreen for a graphics calculator has a flat top surface with an opening to permit entry of the projector and viewscreen which rest on a flat bottom... | 05/07/1996 |
| 5476314 | Video projecting apparatus for multi-stacking use A video projection apparatus for multi-stacking use comprises a pipe-shaped member of a frame configuration formed around side walls of a video projector body having a video projector, and a space portion formed along the pipe-shaped member. Therefore, ca... | 12/19/1995 |
| 5211456 | Wall mountable projector cabinet The invention provides a wall mountable projector cabinet which has a cabinet body with a back wall, upright side walls, a top wall and a bottom wall connected together to provide an enclosure behind a projector. The cabinet has an upright front projector... | 05/18/1993 |
| 4658298 | Portable type audio-visual sensory apparatus A portable case for audio-visual apparatus includes a first case portion having a bottom portion and three side walls connected thereto forming a substantial portion of a generally rectangular box. A second case portion has a front and top cover and is co... | 04/14/1987 |
| 4157763 | Rotatable carrying handle arrangement A carrying handle arrangement for a projector housing or the like is provided wherein the handle frictionally fits with and is retained between first and second housing portions. The carrying handle is rotatable between a first upright carrying position a... | 06/12/1979 |
