| Patents for G02B 17 - Systems with reflecting surfaces, with or without refracting elements (9,842) |
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| 02/26/1992 | EP0471781A1 Nonimaging radiant energy device. |
| 02/25/1992 | US5091802 Zoom lens barrel |
| 02/25/1992 | US5091739 Real image mode finder |
| 02/20/1992 | WO1992002805A1 Process for optically scanning the surface of an obect, the surface of which can reflect or scatter light, and device therefore |
| 02/19/1992 | CN2096770U Screen field depth expanding mirror |
| 02/18/1992 | US5089913 High resolution reduction catadioptric relay lens |
| 02/18/1992 | US5089910 Infrared catadioptric zoom relay telescope with an asperic primary mirror |
| 02/12/1992 | EP0470732A1 All-reflective boresight transfer optical system |
| 02/12/1992 | EP0470555A1 Novel reversing prism |
| 02/12/1992 | EP0470541A1 Optical projection system |
| 02/11/1992 | US5087116 Reflective image display including a first mirror and a Fresnel mirror |
| 01/29/1992 | WO1992002838A1 Confocal imaging system for microscopy |
| 01/29/1992 | CA2088267A1 Confocal imaging system for microscopy |
| 01/28/1992 | US5084780 Telescopic sight for day/night viewing |
| 01/21/1992 | US5083035 Position location in surface scanning using interval timing between scan marks on test wafers |
| 01/15/1992 | EP0465882A2 High resolution reduction catadioptric relay lens |
| 01/15/1992 | EP0346463A4 An improved video display system |
| 01/14/1992 | US5080483 All-reflective boresight transfer optical system |
| 01/14/1992 | US5080457 Apparatus for generating a light curtain |
| 01/09/1992 | DE4021487A1 Optical monitor for cylindrical bodies - has upper mirror wedge and lower ring mirror to give reflected light for sensor |
| 01/08/1992 | EP0465060A2 Optical device for reversing pupil and image |
| 01/07/1992 | US5078502 Compact afocal reimaging and image derotation device |
| 12/17/1991 | US5073016 Lens system for compact camera |
| 12/12/1991 | WO1991019377A1 Improvements in thermal imagers |
| 12/10/1991 | US5072313 Constant-deviation reflector |
| 12/10/1991 | US5071240 Reflecting optical imaging apparatus using spherical reflectors and producing an intermediate image |
| 12/10/1991 | US5071239 Catadioptric conically scanning telescope |
| 11/28/1991 | WO1991018312A1 Unit magnification optical system with improved reflective reticle |
| 11/27/1991 | EP0458130A2 Wide field all-reflective multiple field of view telescope |
| 11/13/1991 | CN1056173A Positive image mirror |
| 11/07/1991 | DE4112755A1 Viewer for stereoscopic images - has two rotation elliptical mirrors, deflecting image beams from hollow body with image screen display |
| 11/06/1991 | CN1014647B Prism optic and optical information processing apparatus |
| 11/05/1991 | US5063586 Apparatus for semiconductor lithography |
| 10/31/1991 | DE4013949A1 Catadioptric lens with mirror objective inclined at angle - has reflecting coating on forward face of biconvex lens towards cemented combination and two meniscus lenses |
| 10/30/1991 | CN1055822A Single axis symmetrical type two dimensional laser scanning drum |
| 10/29/1991 | US5061055 Bedside television viewer |
| 10/29/1991 | US5061054 Keplerian finder optical system |
| 10/17/1991 | WO1991015150A1 Apparatus for observation of the eye, comprising means for reversing the image |
| 10/03/1991 | WO1991014973A1 Mirrors |
| 10/02/1991 | DE4110296A1 Optical system for catadioptric reduction projection - has two lens groups, one positive and another one negative, and polarisation beam splitter |
| 10/01/1991 | US5052763 Optical system with two subsystems separately correcting odd aberrations and together correcting even aberrations |
| 09/24/1991 | US5051830 Dual lens system for electronic camera |
| 09/24/1991 | US5050974 Optical system for endoscopes |
| 09/24/1991 | CA1289395C High energy laser beam replica producing method and system |
| 09/18/1991 | EP0266393B1 Reflective optical triplet having a real entrance pupil |
| 09/15/1991 | CA2037555A1 Optical imaging system made from a single piece of material |
| 09/11/1991 | EP0445934A2 Spectrometer |
| 09/11/1991 | EP0445824A1 An automotive headup display apparatus |
| 09/10/1991 | US5046837 Illumination system |
| 09/05/1991 | WO1991013374A1 Involute reflector plate and illuminator and heat radiator each provided with involute reflector plate |
| 09/05/1991 | DE4006407A1 Optische vorrichtung Optical device |
| 09/04/1991 | EP0444526A2 Optical device |
| 09/03/1991 | US5045688 Method and apparatus for inspection of bottle thread having a unitary image plane |
| 08/27/1991 | US5042931 System of mirrors for guiding an electromagnetic wave |
| 08/27/1991 | US5042928 Single hybrid |
| 08/20/1991 | US5040882 Unit magnification optical system with improved reflective reticle |
| 08/14/1991 | CN2082828U Observation glass for gas stove flame |
| 08/13/1991 | US5039215 Optical device including an optical lens and reflectors with reflections in series |
| 08/07/1991 | EP0440379A2 Lighting device |
| 08/06/1991 | US5038258 Illuminating arrangement for illuminating an object with incident light |
| 08/06/1991 | US5037191 Orthogonal parabolic reflector systems |
| 07/31/1991 | CN2081984U Multi-picture lens for reflex camera and enlarger |
| 07/30/1991 | US5035486 Optical imaging apparatus |
| 07/23/1991 | US5034764 Combined eye- and waist-level real image mode finder |
| 07/23/1991 | US5033833 Omni-directional optical antenna element |
| 07/16/1991 | US5031976 Catadioptric imaging system |
| 07/11/1991 | WO1991010212A1 Orthogonal parabolic reflector systems |
| 07/11/1991 | WO1991010103A1 Ray focusing device |
| 07/10/1991 | EP0436433A1 Concentrator of rays |
| 07/02/1991 | US5029255 Optical scanning device including mirror objective having two windows at least one having an aspherical surface |
| 06/19/1991 | EP0432618A2 Mirror telescope |
| 06/18/1991 | US5024493 Compact infrared lens arrangement including at least three reflections |
| 06/11/1991 | US5023440 Tracker using angle-converting cones |
| 05/28/1991 | US5018848 Laser beam transmitting apparatus |
| 05/28/1991 | US5018844 Passive beam derotator |
| 05/21/1991 | US5016995 Radiation gathering and focusing apparatus and devices |
| 05/08/1991 | EP0425882A1 Infrared microscopic spectrometer |
| 05/02/1991 | EP0181891B1 Focal plane scanning device |
| 04/30/1991 | US5012274 A video display system |
| 04/30/1991 | US5011253 Optical system for laser marking |
| 04/24/1991 | EP0290529B1 Monochromator arrangement |
| 04/23/1991 | US5009494 Wide field all-reflective multiple field of view telescope |
| 04/23/1991 | US5009487 Prism system for a stereoscopic microscope |
| 04/17/1991 | EP0422853A2 Apparatus for semiconductor lithography |
| 04/17/1991 | EP0422084A1 Light, in particular a light for motor vehicles. |
| 04/09/1991 | US5005958 High flux solar energy transformation |
| 04/02/1991 | US5004331 Catadioptric projector, catadioptric projection system and process |
| 04/02/1991 | CA1282457C Magnetic field screens |
| 03/27/1991 | EP0418390A1 Optical device |
| 03/27/1991 | CN2074019U Imagery prism |
| 03/26/1991 | US5003567 Soft x-ray reduction camera for submicron lithography |
| 03/26/1991 | US5002380 Phase corrector for large optical systems |
| 03/20/1991 | EP0417660A1 Device for the illumination of cockpit instruments |
| 03/07/1991 | WO1991002995A1 A method of arranging the ray path in an optical instrument |
| 02/26/1991 | US4995725 Monochromator arrangement |
| 02/26/1991 | US4995721 Two-dimensional spectrometer |
| 02/22/1991 | WO1991002992A1 Methods of and apparatus for manipulating electromagnetic phenomenon |
| 02/22/1991 | CA2065368A1 Methods of and apparatus for manipulating electromagnetic phenomenon |
| 02/19/1991 | US4993818 Continuous zoom all-reflective optical system |
| 02/19/1991 | CA1280470C Laser beam machining device |