Patents
Sitemap › G03 - Photography; Cinematography; Analogous techniques using waves other than optical waves; Electrography; Holography › G03B - Apparatus or arrangements for taking photographs or for projecting or viewing them; Apparatus or arrangements employing analogous techniques using waves other than optical waves; Accessories therefor › G03B 21 - Projectors or projection-type viewers; Accessories therefor
Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465)
11/1995
11/29/1995EP0684499A1 Liquid crystal flat-panel display with color filter and method of manufacturing such a panel
11/29/1995CN1112802A Video projection system
11/29/1995CN1112687A Image projection system
11/23/1995WO1995031751A1 Front projection screen with lenticular front surface
11/23/1995WO1995031750A1 Folding portable overhead projector
11/23/1995WO1995031749A1 Pivoting projection head for overhead projector
11/23/1995WO1995031744A1 Liquid crystal projection display systems
11/23/1995DE4418471A1 Illuminating and indexing system for perforated cine film
11/23/1995CA2190463A1 Folding portable overhead projector
11/22/1995EP0683610A2 Rear-screen video display system
11/22/1995EP0683425A1 Projection display apparatus
11/21/1995US5469235 For an overhead projector
11/21/1995US5467943 Window structure equipped on side walls of a cabin in the body of an airplane
11/18/1995CA2142569A1 Rear-screen video display system with an exposed beam path
11/16/1995DE4417051A1 Auto-focussing system for slide projectors
11/15/1995EP0682285A1 Overhead projector support leg mechanism
11/15/1995CN1111759A Film cartridge projection device
11/14/1995US5467221 Multi-screen projector
11/14/1995US5467154 Projection monitor
11/14/1995US5467152 Overhead projector
11/14/1995US5467146 Illumination control unit for display system with spatial light modulator
11/09/1995WO1995030175A1 Improved overhead projector
11/09/1995WO1995030163A1 Optical transmissive component with anti-reflection gratings
11/08/1995EP0680622A1 Case for overhead projection display panel
11/07/1995US5465174 Single light valve full-color projector display
11/07/1995US5465127 Overhead projector with vibration control head
11/07/1995US5465125 Method of detecting inclination angle of image frame read by microfilm reader
11/03/1995CA2142221A1 Apparatus for use in projecting a picture image onto a remote surface
11/02/1995WO1995029427A1 Transportable computer systems having dual viewing modes
11/02/1995DE19515542A1 Diarahmen Slide mounts
10/1995
10/31/1995US5463433 Image projector
10/31/1995US5462700 Addition polymerization with photoinitiator, collimated actinic radiation; exposure through transparent area of photomask
10/26/1995WO1995028664A1 Back-projection module
10/26/1995DE4413555A1 Ventilation system for slide projector
10/25/1995EP0678199A1 Light-blocking transparency assembly
10/25/1995CN2211073Y Reflection-type overhead projector capable of projecting hand-writing and drawing
10/25/1995CN1110850A Electrographic copying machine
10/19/1995WO1995027869A1 Electric lamp with reflector
10/19/1995CA2164617A1 Electric lamp with reflector
10/18/1995EP0677180A1 Reflective liquid crystal display overhead projection system
10/17/1995US5459539 Optical projection apparatus
10/17/1995US5459532 Automatic focus adjuster for projection display systems having focus adjustment display symbols
10/12/1995DE4412326A1 Plastic spool especially for photographic films
10/12/1995DE4412038A1 Optical projector for use with liquid crystal displays
10/10/1995US5457753 Image processing device for microfilm reader
10/10/1995US5457572 Rear-projection screen
10/10/1995US5457508 Display devices
10/10/1995US5457493 Digital micro-mirror based image simulation system
10/10/1995US5456967 Reflection-type screen having a dimensionally stable substrate
10/10/1995CA2086029C Screen unit for rear projection picture display system, method for producing the same and component to used for assembling the screen unit
10/10/1995CA2058529C Projector using a hologram
10/05/1995WO1995026516A1 Microfilm reader
10/05/1995DE19511824A1 Lamp starting apparatus for liquid crystal projector
10/04/1995EP0674757A1 Lighting system for spotlights, projectors and enlarging apparatuses.
10/04/1995CN1109601A Transparent screen
10/03/1995US5455647 Optical apparatus in which image distortion is removed
10/03/1995US5455411 Autofocus device for still projection apparatus
09/1995
09/28/1995WO1995026110A1 Color sequential display panels
09/28/1995DE4410435A1 Mikrofilm-Lesegerät Microfilm reader
09/28/1995CA2185729A1 Color sequential display panels
09/27/1995CN1109262A 投影仪 Projector
09/27/1995CN1109261A 投影仪 Projector
09/26/1995US5453880 Overhead projector with achromatic Fresnel lens
09/26/1995US5453803 Low profile liquid crystal projector and method of using same
09/21/1995WO1995025292A1 Edge-blending of projected images
09/19/1995US5452128 Polarization illumination apparatus and projector using the apparatus
09/19/1995US5452032 Overhead projector
09/13/1995EP0671653A1 A light transmission screen and its manufacturing method
09/13/1995EP0671652A1 Liquid crystal display device for use with or in an overhead projector
09/13/1995CN1108393A 高架投影仪 Overhead projector
09/12/1995US5449126 Method and apparatus for snap-action, split-core roller clamp
09/06/1995EP0670512A1 Overhead projector to project images displayed on a LCD
09/05/1995US5448401 Screen of projection display
09/05/1995US5448263 Interactive display system
09/05/1995US5447828 Photographic film
08/1995
08/31/1995DE4404991A1 Overhead projector for transparency viewing
08/30/1995EP0669782A2 Speaker system and its support legs
08/30/1995EP0669552A2 Transparency organizer and storage tray
08/30/1995CN1107630A Projecting TV and great picture apparatus constituted thereof
08/29/1995US5446594 Catadioptric Fresnel lens
08/29/1995US5446511 Original conveying apparatus
08/29/1995US5445344 Reel-locking device
08/29/1995US5445322 Apparatus for projecting water to form an insubstantial screen for receiving images
08/24/1995WO1995022868A1 Projection system
08/24/1995WO1995022784A1 Overhead projector presentation system
08/24/1995WO1995022779A1 Condensers for illumination systems
08/24/1995WO1995022772A1 Dual grooved fresnel lens for overhead projection
08/23/1995CA2116191A1 Overhead projector presentation system
08/22/1995US5444570 Polarizing screen
08/22/1995US5444557 Single crystal silicon arrayed devices for projection displays
08/22/1995US5444506 Projection original film feeding apparatus
08/17/1995WO1995022081A1 Projector
08/17/1995DE4404210A1 Weatherproof roller blind housing for vehicles and houses
08/17/1995CA2182780A1 Projector
08/16/1995EP0667001A1 Adjustable-height stand to support a screen
08/15/1995US5442482 Microlens screens, photopolymerisable materials and artifacts utilising the same
08/15/1995US5442415 Armless transparency projector
08/15/1995US5442413 Pupil conjugate-coupling device in projecting optical system
08/09/1995EP0665959A1 Overhead projector focus arm adjustment mechanism
08/08/1995US5440362 Transparency display system
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