Patents
Patents for G02B 13 - Optical objectives specially designed for the purposes specified below (20,651)
10/1992
10/20/1992US5157554 Projecting lens unit
10/20/1992US5157553 Collimator for binocular viewing system
10/20/1992US5157552 Zoom lens system for a limited conjugate distance
10/20/1992US5157535 Monolithic optical scanner
10/13/1992US5155632 Copying lens system
10/13/1992US5155630 Zoom lens system
10/13/1992US5155616 Scanning optical system
10/13/1992CA1308583C Projection lens system
10/07/1992EP0507297A2 System and apparatus for image information processing
10/07/1992EP0506955A1 Apochromatic relay lens systems suitable for use in a high definition telecine apparatus.
10/06/1992US5153779 Lens for reading original
10/06/1992US5153777 Compact-size zoom lens system
10/06/1992US5153776 Wide angle zoom lens system
10/06/1992US5153767 F-θ lens system and laser scanner using the same
09/1992
09/30/1992EP0506338A1 Color-corrected telecentric scan lens
09/30/1992EP0506177A2 Television pick-up and display system, and television pick-up device and optical system suitable for use in such a system
09/29/1992US5151823 Biocular eyepiece optical system employing refractive and diffractive optical elements
09/29/1992US5151820 Zoom lens
09/29/1992US5151790 Image pickup device for stabilizing optical aberrations
09/23/1992WO1992016864A1 Infrared optical system
09/23/1992CA2106496A1 Infrared optical system
09/22/1992CA1307693C Camera and two-element viewfinder
09/17/1992DE4118146C1 Overhead projector triplet objective lens - has front lens meniscus of specified refractory index glass, dispersing middle lens, and rear one of specified focal length
09/16/1992EP0298119B1 Coma-control plate in relay lens
09/15/1992US5148321 Compact zoom lens system
09/15/1992US5148320 Projection lens
09/15/1992US5148314 Optical systems employing refractive and diffractive optical elements to correct for chromatic aberration
09/15/1992US5148304 Optical beam scanning system
09/10/1992DE4107070A1 Two-part flame chromate lens unit - has thick fluorspar-glass collector lens between twin-lens sets
09/03/1992WO1992015036A1 Lens system
09/03/1992DE4106534A1 Telephoto-lens with front and rear focusing groups - involves focussing length of focussing group forming, with front group, tele-lenses of different total focussing length
09/01/1992US5144499 Optical shaped article for crt and having particular spectral transmittance characteristics
09/01/1992US5144475 Objective lens system for use within microscope
09/01/1992US5144356 Temperature compensated infrared optical imaging system
09/01/1992US5144349 Real image mode variable magnification finder optical system
09/01/1992CA1306885C Projection lens
09/01/1992CA1306884C Projection lens for high definition tv
08/1992
08/25/1992US5142409 Objective lens system
08/19/1992EP0499421A1 Thermal imager systems
08/18/1992US5139342 Photographic lens system
08/13/1992DE4203464A1 Catadioptric redn. lens with beam splitter and concave mirror - has no additional lens gp. inserted between mirror and beams splitter giving 4:1 redn. in telecentric system
08/05/1992EP0310640B1 Relay lens system
08/05/1992EP0302081B1 Lenses for photographic printers
08/04/1992US5136418 fθ lens system in optical scanner
08/04/1992US5136417 Optical system
08/04/1992US5136412 Fθ lens and scanning optical system using the same
07/1992
07/30/1992DE4202452A1 Lens system for camera - has group of lenses which can be moved at right angles to optical axis
07/28/1992US5134680 Solid state imaging apparatus with fiber optic bundle
07/28/1992US5134523 Zoom beam expander
07/28/1992US5134522 Projection lens system
07/28/1992US5134518 Missile windows
07/28/1992US5134513 Scanning optical system
07/23/1992DE4201169A1 Tilting lens system for camera - has at least one lens in sequence of lenses which can be swung about point on lens axis
07/22/1992CN2110880U Full-closed large look angle visual-camera optical adapter
07/21/1992US5132846 Microfilm reader/printer zoom lens
07/21/1992US5132838 Keplerian zoom finder optical system
07/14/1992US5130850 Projection lens system
07/08/1992EP0493562A1 Afocal optical observing system
07/08/1992CN2109580U Wide angle optical lens
07/07/1992US5128795 Scanning lens and scanning apparatus using scanning lens
07/01/1992EP0493261A2 Zoom lens
06/1992
06/30/1992US5126878 Portable stereoscopic viewing apparatus
06/30/1992US5125735 Automatic multi-point distance measuring device
06/30/1992CA1304245C Lens usable in the ultraviolet
06/25/1992WO1992010773A1 Apochromatic relay lens systems suitable for use in a high definition telecine apparatus
06/25/1992DE4104684C1 Anamorphotic lens attachment for basic objective lens
06/23/1992US5125064 Optical system using fiber optic element for field curvature reversal
06/23/1992US5125052 Optical device for the observation of an elongated object
06/23/1992US5124840 Portable viewing apparatus
06/23/1992US5124837 Finder of real image type
06/17/1992EP0490510A2 Two-color focal plane array sensor arrangement
06/17/1992EP0490497A2 Simultaneous dual field of view sensor
06/16/1992US5122178 Process for producing glass doped with dispersed microcrystallites
06/16/1992US5121978 Image blur compensating telephotographic lens
06/11/1992WO1992009976A1 Radiation source for a printer
06/11/1992WO1992009910A1 Radiation source for a printer
06/11/1992CA2055021A1 Two-color focal plane array sensor arrangement
06/10/1992EP0489378A1 Achromatic lens
06/09/1992US5121257 Lens for reading original
06/09/1992US5121254 Image transmitting element and process for producing photo-shield spacer plate used therein
06/03/1992EP0488127A2 Full range platemaker optical system
06/02/1992US5119238 Objective lens system for endoscopes
06/02/1992US5119117 Objective lens system
05/1992
05/28/1992CA2053588A1 Full range platemaker optical system
05/27/1992DE4038639C1 Large aperture achromatic lens - has radii of curvature of two aspherical refractive surfaces related to lens thickness, refractive coefficient and spacing by given equation
05/26/1992CA1301511C Aspheric lens for polygon mirror tilt error correction and scanbow correction in an electrophotographic printer
05/22/1992CA2052416A1 Radiation source for a printer
05/20/1992EP0486236A1 Zinc sulfide optical elements
05/19/1992US5114238 Infrared catadioptric zoom relay telescope
05/14/1992WO1992008167A1 Proximity alignment using polarized illumination and double conjugate projection lens
05/14/1992WO1992005462A3 Optical systems, telescopes and binoculars
05/12/1992US5113288 Behind stop wide angle lens system
05/06/1992EP0484276A1 Method for imaging several radiation sources arranged in one or more rows, and device for implementing the method
05/06/1992EP0458788A4 Optical lenses and related devices
05/05/1992US5111325 Adapted to receive an input beam
05/05/1992US5111219 Fθ lens and image apparatus using the same
04/1992
04/29/1992CN2103151U Lighting bench magnifying glass
04/28/1992US5109299 Zoom lens system
04/23/1992DE4032443A1 Optical system for camera - has reflecting prism installed between two groups of lenses
04/15/1992EP0480805A1 Objective systems with optical temperature compensation