| Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465) |
|---|
| 10/17/1994 | CA2116523A1 Transparency organizer and storage tray |
| 10/17/1994 | CA2114390A1 Transparency organizer and storage tray |
| 10/13/1994 | WO1994023540A1 Single projection lens color projection system |
| 10/13/1994 | WO1994023336A1 Envelope for transparency |
| 10/13/1994 | WO1994023325A1 Condensers for overhead projectors |
| 10/13/1994 | DE4410938A1 Film feed device (film transporting device) for projectors |
| 10/12/1994 | EP0619512A1 Holder for two-dimensional image |
| 10/12/1994 | CN2179258Y Photograph album |
| 10/11/1994 | US5355188 Method and apparatus for distortion correction in optical projectors |
| 10/11/1994 | US5355187 Liquid crystal projection display |
| 10/11/1994 | CA2059341C Rear projection screen multi-panel connector assembly |
| 10/07/1994 | CA2118620A1 Film transport mechanism for projectors |
| 10/06/1994 | DE4410802A1 Method for controlling the picture size of an LCD projector |
| 10/05/1994 | EP0618476A1 Rear projection screen with off-axis sunlight rejection |
| 10/05/1994 | EP0618475A1 Flat panel display using rear projection screen |
| 10/05/1994 | CN1093175A Image projection apparatus with an autofocusing system |
| 10/04/1994 | US5353152 Screen projection apparatus |
| 10/04/1994 | US5353075 Convertible flat panel display system |
| 10/04/1994 | US5353070 Lens holder which reduces internal reflections |
| 10/03/1994 | CA2117203A1 Cartridge storing case |
| 09/29/1994 | WO1994022049A1 Projection screen |
| 09/29/1994 | WO1994022048A1 Illumination device for a projector |
| 09/29/1994 | WO1994022047A1 Projector |
| 09/29/1994 | WO1994022042A1 Projection type display device |
| 09/29/1994 | DE4309812A1 Mount for slides (transparencies) |
| 09/28/1994 | EP0617306A1 Image projection apparatus with an autofocusing system |
| 09/28/1994 | EP0616700A1 Motion picture system for economical replication, consolidation, duplication and exhibition of wide screen formats |
| 09/28/1994 | EP0616697A1 Display set for a transparent sheet intended for overhead projection |
| 09/28/1994 | EP0179903B1 Liquid crystal projector and method |
| 09/22/1994 | DE4309010A1 Transportable picture-projecting device |
| 09/21/1994 | EP0616246A1 Translucent screen and its manufacturing method |
| 09/21/1994 | EP0615637A1 Apparatus and method for projection upon a three-dimensional object |
| 09/21/1994 | CN1092528A Illumination system and display device including such a system |
| 09/20/1994 | US5349400 Back-projection display system and method for making a back-projection mirror |
| 09/20/1994 | CA2119185A1 Permeable screen and its manufacturing method |
| 09/14/1994 | EP0479914B1 A technique for scanning a microfilm image moving at a variable speed |
| 09/14/1994 | CN1092181A Motion picture projection apparatus |
| 09/13/1994 | US5347324 Video projector with battery and replaceable lamp unit |
| 09/08/1994 | DE4314457C1 Projector |
| 09/07/1994 | EP0614118A1 Film sheet |
| 09/07/1994 | CN1091837A 窗口选择式投影仪 Window Select projector |
| 09/06/1994 | US5345282 Foldable optical apparatus |
| 09/03/1994 | CA2113674A1 Preclosed cardboard slide mount |
| 08/31/1994 | EP0613296A1 Auto-focusing method in a liquid crystal projector |
| 08/31/1994 | EP0612417A1 Envelope for transparency having increased flexibility. |
| 08/30/1994 | US5343262 Portable LCD projector |
| 08/24/1994 | EP0611982A1 Image projecting apparatus |
| 08/24/1994 | CN2175430Y Projection type viewer |
| 08/23/1994 | US5341241 Trap door for projection screen case |
| 08/23/1994 | US5341182 Motion picture projection apparatus |
| 08/23/1994 | US5341176 Automatic focus adjuster for projection display systems having in-operation and end-of-operation symbols superimposed over video data |
| 08/18/1994 | WO1994018802A1 Methods and apparatus for image projection |
| 08/18/1994 | WO1994018791A1 Projection monitor |
| 08/18/1994 | CA2155310A1 Methods and apparatus for image projection |
| 08/17/1994 | CN2174714Y Transmission projecting screen |
| 08/16/1994 | US5339122 Overhead projector with automatic document positioner |
| 08/11/1994 | DE4323225C1 Drawing instrument |
| 08/09/1994 | US5337179 Flexible controllable optical surface and method of making the same |
| 08/09/1994 | US5337103 Case for overhead projection display panel |
| 08/09/1994 | CA1331299C Light transmitting screen and display system utilising same |
| 07/29/1994 | WO1994017445A1 A method of backscreen fabrication using pre-coated material |
| 07/27/1994 | EP0607582A1 Overhead projector with catadioptric fresnel lens |
| 07/27/1994 | CN1090065A Cinefilm and recording/reproducing apparatus therefor |
| 07/26/1994 | US5333072 Reflective liquid crystal display overhead projection system using a reflective linear polarizer and a fresnel lens |
| 07/26/1994 | US5333020 Sprocket wheel for advancing film and device for advancing film using said sprocket wheel |
| 07/26/1994 | CA1330894C Reduced height transmissive overhead projector |
| 07/21/1994 | WO1994016360A1 Case for overhead projection display panel |
| 07/21/1994 | WO1994016359A1 Light-blocking transparency assembly |
| 07/21/1994 | WO1994016358A1 Reflective liquid crystal display overhead projection system |
| 07/21/1994 | DE4300726A1 Laser light effects integration method for film projection e.g in cinema or theatre |
| 07/21/1994 | CA2146762A1 Light blocking transparency assembly |
| 07/20/1994 | EP0607000A2 Method and apparatus for generating high resolution 3D images in a head tracked stereo display system |
| 07/20/1994 | EP0606939A1 Illumination system and display device including such a system |
| 07/20/1994 | CN2172489Y Optical full reflecting object projector |
| 07/20/1994 | CN1089730A Overhead projector with catadioptric fresnel lens |
| 07/20/1994 | CN1089712A Lighting system for spotlights, projectors and enlarging apparatuses |
| 07/19/1994 | US5331360 Adaptor for overhead projector |
| 07/19/1994 | CA2030269C Perforate projection screen |
| 07/15/1994 | CA2113400A1 Motion picture projection apparatus |
| 07/12/1994 | US5329324 Transparency protector |
| 07/12/1994 | US5329323 Apparatus and method for producing 3-dimensional images |
| 07/12/1994 | US5329310 Method and apparatus for controlling distortion of a projected image |
| 07/12/1994 | US5328074 Film registration gate assembly |
| 07/07/1994 | WO1994015254A1 Improved hinge for transparency envelope |
| 07/07/1994 | WO1994015143A1 Lighting system for spotlights, projectors and enlarging apparatuses |
| 07/07/1994 | CA2544690A1 Still film sound photography method & apparatus |
| 07/05/1994 | US5327285 Methods for manufacturing micropolarizers |
| 07/05/1994 | US5327229 Display device |
| 07/05/1994 | US5325951 Peripheral card header lead-in arrangement |
| 06/29/1994 | EP0604325A2 Screen of projection display |
| 06/28/1994 | US5325473 Apparatus and method for projection upon a three-dimensional object |
| 06/28/1994 | US5325137 Overhead projector with a spatial light modulator |
| 06/21/1994 | US5323193 Film trap for a motion picture projector |
| 06/16/1994 | DE4241860A1 Transparency changer for overheat transparency projection - has clear transparency pocket and is in form of file with lower and top parts |
| 06/15/1994 | EP0601628A1 Optical projection apparatus |
| 06/14/1994 | US5321451 Transparency folder and holder apparatus |
| 06/14/1994 | US5321450 Low profile liquid crystal projector and method of using same |
| 06/14/1994 | US5321449 Projecting flashlight |
| 06/08/1994 | EP0600210A1 Thermal dye transfer receiver element with roughened surface |
| 06/08/1994 | CN2168269Y Polarization light-moving projection picture |