Patents
Sitemap › G02 - Optics › G02B - Optical elements, systems, or apparatus › G02B 19 - Condensers
Patents for G02B 19 - Condensers (2,954)
12/1994
12/27/1994US5376984 Real image type finder
11/1994
11/29/1994US5369528 Plane or cylindrical reflector for source of radiation
10/1994
10/27/1994WO1994024587A1 Device for use in light-beam processing
10/27/1994WO1994024586A1 Device for use in light-beam treatment
10/18/1994US5357101 Electro-optical transceiver with nonimaging concentrator
10/13/1994WO1994023325A1 Condensers for overhead projectors
10/11/1994US5354322 Optical illumination system for endoscope
08/1994
08/31/1994EP0531322B1 Reversible direct and/or trans-illumination device
08/30/1994US5343330 Double refraction and total reflection solid nonimaging lens
06/1994
06/29/1994EP0603583A1 Image projection apparatus
05/1994
05/25/1994EP0598546A1 Lenticular lenses
05/17/1994CA2108959A1 Lenticular lens
04/1994
04/28/1994WO1994009312A1 Device for light-beam working of materials
04/05/1994US5300971 Projection exposure apparatus
03/1994
03/22/1994US5296892 Illuminating apparatus and projection exposure apparatus provided with such an illuminating apparatus
02/1994
02/16/1994EP0582640A1 Optical concentrator matrix, optical assembly containing same, and method for producing said matrix
12/1993
12/22/1993CN1023260C Optical illumination system and projection apparatus comprising such a system
12/08/1993EP0572550A1 Device for redirecting light through a hollow tubular light conduit
11/1993
11/24/1993EP0571088A2 A lighting device and a projection type image display system using the same
10/1993
10/28/1993WO1993021484A1 Faceted totally internally reflecting lens with curved faces
09/1993
09/28/1993US5249006 High power magnifying projector
09/07/1993US5243459 Nonimaging radiant energy device
07/1993
07/21/1993CN1021670C Illumination system
04/1993
04/28/1993EP0539296A1 Reflector for radiation source with predefined maximal lateral radiation angle
04/13/1993US5202867 Condensing optical system with corrected chromatic aberration, and information recording/reproducing apparatus using this optical system
04/06/1993US5200603 Source distance adjustment arrangement for uniform illumination of projection surface
03/1993
03/31/1993EP0534853A1 Double refraction and total reflection solid non-imaging lens
03/26/1993CA2078839A1 Double refraction and total reflection solid nonimaging lens
03/04/1993DE4128059A1 LCD projector, partic. for slide or overhead projection. - comprises lamp, reflector and condenser constituting light source, picture stage, and lens
02/1993
02/16/1993US5187509 Illumination system for use in image projection apparatus
12/1992
12/16/1992EP0471781A4 Nonimaging radiant energy device
12/08/1992WO1992022008A1 Condenser lens system for overhead projector
12/08/1992CA2108007A1 Condenser lens system for overhead projector
11/1992
11/25/1992EP0514728A1 Device for an uniform illumination of a screen
11/12/1992WO1992020004A1 Optical concentrator matrix, optical assembly containing same, and method for producing said matrix
11/10/1992US5162844 Image projection apparatus
10/1992
10/27/1992US5159485 System and method for uniformity of illumination for tungsten light
10/27/1992US5159172 Optical projection system
10/13/1992US5154163 Radiation concentrator device
09/1992
09/08/1992US5146248 Light valve projection system with improved illumination
09/03/1992WO1992015029A1 Device for redirecting light through a hollow tubular light conduit
08/1992
08/25/1992US5142462 Illuminating optical system
08/20/1992CA2061387A1 Device for redirecting light through a hollow tubular light conduit
08/04/1992CA1305882C Macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry, and fabrication thereof
07/1992
07/08/1992EP0493829A1 System and method for creating uniform illumination using a tungsten light source
06/1992
06/23/1992US5123729 Projection display device
06/09/1992US5121403 Lighting device
06/09/1992US5121137 Color exposing device having optical modulator for producing modulated light beams for two or more colors
05/1992
05/26/1992US5117478 Device for redirecting light through a hollow tubular light conduit
05/19/1992US5115349 Projector system and system for detecting flaw
05/07/1992DE4035077A1 Illumination system, esp. for microscope - contains light source and optical imaging system with prismatic reflector rod forming secondary source, giving uniform illumination
04/1992
04/16/1992DE4138020A1 Microscope system for increasing light transmission through grid - has lens raster projecting congruent light source raster in intermediate image raster to improve contrast
03/1992
03/24/1992US5098184 Optical illumination system and projection apparatus comprising such a system
03/03/1992US5092672 Condenser lens system for overhead projector
02/1992
02/26/1992EP0471781A1 Nonimaging radiant energy device.
02/19/1992CN1015587B Variable focus traveling-wave pump method
02/12/1992EP0470541A1 Optical projection system
01/1992
01/28/1992US5084808 Lighting optical system
01/22/1992EP0236503B1 Optical head device
12/1991
12/12/1991WO1991019218A1 Reversible direct and/or trans-illumination device
11/1991
11/28/1991WO1991018315A1 Light source for image projector
11/28/1991WO1991018307A1 Light collection method and apparatus
11/12/1991US5064269 Light collection method and apparatus
10/1991
10/22/1991US5059013 Illumination system to produce self-luminous light beam of selected cross-section, uniform intensity and selected numerical aperture
10/22/1991US5058982 Illumination system and inspection apparatus including same
09/1991
09/10/1991US5046838 Illumination system for use in image projection apparatus
09/10/1991US5046837 Illumination system
09/05/1991WO1991013374A1 Involute reflector plate and illuminator and heat radiator each provided with involute reflector plate
08/1991
08/14/1991DE4102507A1 Illumination device for optical appts.
08/07/1991EP0440379A2 Lighting device
07/1991
07/11/1991WO1991010103A1 Ray focusing device
07/10/1991EP0436433A1 Concentrator of rays
05/1991
05/14/1991US5015088 Illuminating apparatus for projection purposes
04/1991
04/25/1991DE3934196A1 Optical filter device - has point density and distribution simulated by algorithm
04/23/1991US5010465 Optical lighting system
04/09/1991US5005969 Optical projection apparatus with the function of controlling laser coherency
03/1991
03/27/1991CN1050265A 冲击波聚焦装置 Shock wave focusing device
03/26/1991US5002379 Bypass mirrors
03/13/1991EP0417039A1 Illumination device for projection means
03/05/1991US4998191 Illuminating optical device
02/1991
02/20/1991CN1049414A Variable focus traveling-wave pump method
02/19/1991US4993802 Randomizing optical converter for illumination beam and method utilizing same
02/05/1991US4991072 Radiation projector for producing a homogeneous flux
01/1991
01/29/1991US4988188 Illumination device
01/29/1991US4988177 Light concentrating lens system
01/02/1991EP0405563A2 Illumination system
12/1990
12/26/1990CN1048106A Optical illumination system and projection apparatus comprising such a system
11/1990
11/27/1990US4973850 Variable incident angle exposure apparatus
11/15/1990WO1990013777A1 Nonimaging radiant energy device
10/1990
10/31/1990EP0395156A1 Optical illumination system and projection apparatus comprising such a system
10/23/1990US4964713 Concentrator arrangement
10/04/1990WO1990011545A1 Illuminating device having a high luminosity factor
09/1990
09/26/1990EP0354927A4 Macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry, and fabrication thereof
09/11/1990US4956759 Illumination system for non-imaging reflective collector
08/1990
08/14/1990US4948215 Dental light-curing lamp unit with interchangeable autofocus light guides
07/1990
07/24/1990US4943325 Reflector assembly
07/24/1990US4943125 Solar collector
07/04/1990EP0376398A2 Illumination system for non-imaging reflective collector
07/03/1990US4939630 Illumination optical apparatus
06/1990
06/26/1990US4936665 High resolution imagery systems and methods
1 ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30