Patents
Patents for G02B 13 - Optical objectives specially designed for the purposes specified below (20,651)
08/1998
08/11/1998US5793539 Optical system for endoscopes
08/11/1998US5793538 Solid catadioptric lens
08/11/1998US5793536 Zoom lens
08/11/1998US5793534 Fast wide angle zoom lens
08/11/1998US5793532 Zoom lens
08/11/1998US5793529 Real image type viewfinder
08/06/1998WO1998034134A1 Hybrid projection lenses for use with pixelized panels
08/05/1998EP0855994A2 Achromatic lens system for ultraviolet radiation with germanium dioxide glass
08/04/1998US5790326 Infrared energy detection system
08/04/1998US5790324 Wide-angle photographic lens system
08/04/1998US5790321 Imaging optical system
08/04/1998US5790320 Correction lens system of an exposure apparatus for a cathode-ray tube and a method for manufacturing the same
08/04/1998US5790318 Two-group zoom lens
08/04/1998US5790312 Optical system
08/04/1998US5790182 System and method for panoramic imaging using concentric spherical mirrors
08/04/1998US5790181 Imaging system for a space
08/04/1998US5789734 Exposure apparatus that compensates for spherical aberration of an image forming device
07/1998
07/29/1998CN1189222A Fixed-focus triplet projection lens for overhead projectors
07/29/1998CN1188905A Real image finder
07/28/1998US5786945 Zoom lens system
07/28/1998US5786944 Zoom lens system
07/28/1998US5786940 Optical system design optimization using an analytical figure of merit
07/23/1998DE19801515A1 Variable-focus lens arrangement
07/21/1998US5784209 Multi-axis optical lens
07/21/1998US5784204 Variable magnification viewfinder
07/21/1998US5784147 Indirect ophthalmoscopy lens system
07/15/1998EP0853253A2 Optical scanning apparatus
07/15/1998EP0852742A1 Projection aligner for integrated circuit fabrication
07/14/1998US5781346 Magnification correction for small field scanning
07/14/1998US5781336 Method and system for multi-spectral imaging in the visible and infrared spectrums
07/14/1998US5781278 Projection optical system and exposure apparatus with the same
07/08/1998EP0852021A1 Day and night sighting system
07/07/1998US5777803 Objective lens for optical pick-up head of optical disk drive
07/07/1998US5777800 Zoom lens
07/07/1998US5777797 Objective lens system for endoscopes having an image transfer optical fiber bundle
07/07/1998US5777774 Reflection scanning optical system
07/02/1998WO1998028644A1 Reticular objective for microlithography-projection exposure installations
07/01/1998EP0851262A2 Scanning optical apparatus
07/01/1998EP0851261A2 Scanning optical apparatus
07/01/1998EP0850434A1 Large-angle scan-objective system and scanning apparatus provided with such an objective system
07/01/1998CN1186254A Mini-zoom projection lenses for use with pixelized panels
06/1998
06/30/1998US5774749 Camera having a magnification change-over device
06/30/1998US5774279 Retrofoucus photographic lens
06/30/1998US5774250 Optical condenser system for light scanning apparatus
06/25/1998DE19755565A1 Lens system for use with camera
06/24/1998CN1185591A Optical Scanning equipment
06/23/1998US5771119 Real-image variable magnification viewfinder
06/16/1998US5768458 Optical coupling device with ball lens and method for manufacturing the same
06/16/1998US5768030 Compact small format lens system
06/16/1998US5768029 Zoom lens system
06/16/1998US5768021 Imaging lens for reading out image
06/09/1998US5764426 Variable focal length optical system
06/09/1998US5764425 Telephoto lens
06/09/1998US5764421 Zoom lens system having minimal aberration fluctuation at short object distance
06/09/1998US5764419 Telecentric zoom lens
06/09/1998US5764407 Displaying apparatus using spatial light modulation element
06/09/1998US5764399 For forming an image of a beam scanned by a deflector onto a scanned surface
06/09/1998US5764343 Optical element
06/04/1998WO1998023988A1 Lenses for electronic imaging systems
06/03/1998EP0845692A2 Optical system with a rotationally asymmetric curved surface
06/02/1998US5760974 Lens system for maximizing light collection efficiency and transmission
06/02/1998US5760973 Compact wide-angle lens system
06/02/1998US5760970 Zoom lens of high magnification
06/02/1998US5760969 Compact high-performance zoom lens
06/02/1998US5760966 Zoom lens
06/02/1998US5760965 Wide-projection angle liquid crystal projection lens system
06/02/1998US5760963 Fly-eye lens, illumination optical apparatus, and exposure apparatus
06/02/1998US5760958 Compact zoom lens with antivibration function
06/02/1998US5760826 Omnidirectional imaging apparatus
05/1998
05/28/1998WO1998007666A3 Achromatic lens system for ultraviolet radiation with germanium dioxide glass
05/26/1998US5757556 Zoom lens
05/26/1998US5757555 Internal focusing type telephoto lens
05/26/1998US5757543 Keplerian variable magnification finder
05/26/1998US5757535 Optical scanner
05/26/1998US5757534 Light scanning optical system and apparatus using the same
05/26/1998US5757533 Scanning lens and optical scanner using the same
05/20/1998EP0843190A2 Modular infrared Kepler telescope
05/19/1998US5754504 Device for recording or reproducing information on an optical recording medium having an objective lens with an astigmatism producing off optical axis minimum total astigmatism position to correct tracking astigmatism
05/19/1998US5754347 Photographic lens system
05/19/1998US5754345 Wide angle imaging lens
05/14/1998DE19641657C1 Vorrichtung zum Erzeugen eines Bildes auf einem Schirm durch Ausleuchten von Bildpunkten in einer Vielzahl von Teilbildern An apparatus for forming an image on a screen by illuminating pixels in a plurality of sub-images
05/13/1998EP0841585A1 Zoom lens unit
05/12/1998US5752095 Magnification change-over device for camera
05/12/1998US5751863 Method and system having relaxed front end distortion requirements
05/12/1998US5751498 Zoom lens system
05/12/1998US5751497 Zoom lens
05/12/1998US5751496 Zoom lens of rear focus type
05/12/1998US5751473 Dual waveband optical system
05/07/1998WO1998019196A1 Infrared lens assembly with athermalization element and method
05/07/1998WO1998019187A1 Quadaxial gradient index lens
05/07/1998WO1998019185A1 Low chromatic aberration rod lens array, its unit and image scanner employing them
05/06/1998EP0840156A2 Objective lens and optical pickup apparatus
05/06/1998EP0840155A2 Achromatic, athermalised 2-lens Reimager
05/06/1998EP0840144A1 Lens system having diffracting surface and refracting surface and optical apparatus using the lens system
05/06/1998EP0809814A4 Arbitrarily wide lens array with an image field to span the width of a substrate
05/06/1998CN1180841A Projection lenses having large back focal length to focal length ratios
05/05/1998US5748384 Zoom lens
05/05/1998US5748381 Real image type zoom finder optical system
05/05/1998US5748371 Extended depth of field optical systems
05/05/1998US5748365 Catadioptric one-to-one telecentric image combining system