Patents
Patents for G02B 13 - Optical objectives specially designed for the purposes specified below (20,651)
04/1999
04/08/1999DE19845485A1 Soft focus variofocal lens system with negative front lens group and positive back lens group for single-reflex camera
04/07/1999EP0906587A1 Optical image recording system, and associated processing system
04/07/1999CN1213087A Projection lens
04/07/1999CN1212954A Fluorine containing silex glass and its method of manufacture
04/06/1999US5892984 Photographic lens and camera
04/06/1999US5892626 Zoom lens system
04/06/1999US5891015 Endoscope including a front lens group and an inner lens group forming a telesystem
03/1999
03/31/1999EP0905537A1 Cylindrical lens and optical scanning device using the lens
03/30/1999US5889748 Object lens and optical head for reproducing data from optical disks in different thickness of substrate
03/30/1999US5889616 Eyepiece for a camera
03/25/1999WO1999014624A1 Optical transmitter for emitting light signals
03/24/1999EP0903605A2 Four mirror EUV projection optics
03/23/1999US5886835 Relay optical system
03/23/1999US5886829 Compact zoom lens with a large zoom ratio
03/23/1999US5886827 Microscope objective lens with separated lens groups
03/18/1999DE19840178A1 Compensating spherical aberrations of telecentric lens
03/18/1999CA2247709A1 Four mirror euv projection optics
03/17/1999EP0902316A2 Lenticular lens sheet for rear projection screen
03/17/1999EP0902304A2 Diffractive optical element and optical system having the same
03/17/1999EP0901989A1 Silica glass and its manufacturing method
03/17/1999EP0799433A4 Variable power lens systems for producing small images
03/16/1999US5883747 Recording and/or reproducing optical system and objective lens for optical information recording medium
03/16/1999US5883732 Optical scanner
03/16/1999CA2087467C Wide field of view optical element
03/10/1999EP0900395A1 Method for correcting a lens optical aberration
03/09/1999US5880893 Objective lens and recording/reproducing apparatus
03/09/1999US5880881 Real image mode finder optical system
03/09/1999US5880861 Illumination optical system
03/03/1999CN2309575Y Paraxial rays photographic lens
03/02/1999US5876327 Imaging apparatus for endoscopes
02/1999
02/25/1999WO1999009446A1 An optical system restraining aberrations within the maximum imaging volume
02/25/1999WO1998046116A3 Solid catadioptric omnidirectional optical system having central coverage means which is associated with a camera, projector, medical instrument, or similar article
02/24/1999EP0898192A2 Imaging optical system for light beam scanning system
02/24/1999EP0898182A2 Diffractive optical element and optical system having the same
02/24/1999EP0898181A2 Rod lens array and life-size imaging optical apparatus using the same
02/24/1999EP0897636A1 Omnidirectional imaging apparatus
02/23/1999US5875060 Zoom lens system
02/23/1999US5875059 Variable focal length lens system having a divergent front lens unit
02/23/1999US5875057 Eyepiece lens system
02/23/1999US5875051 Optical scanning device and a scanning lens therefor
02/18/1999WO1999008154A1 Camera with image reduction relay system
02/18/1999WO1999008138A1 Zoom projection lens having a lens correction unit
02/18/1999WO1999008134A2 Ultra-broadband uv microscope imaging system with wide range zoom capability
02/18/1999CA2300392A1 Camera with image reduction relay system
02/17/1999EP0896690A1 Projection television lens system
02/17/1999EP0896679A1 Lcd projection lens
02/16/1999US5872660 Taking lens system
02/16/1999US5872658 Zoom lens system
02/11/1999DE19740243C1 Optical transmitter for weapon strike simulator
02/09/1999US5870234 Compact wide-angle lens
02/09/1999US5870229 Gradient index lens component and image pickup apparatus using the gradient index lens component
02/09/1999US5870228 Projection lenses having larger back focal length to focal length ratios
02/03/1999CN1041965C Lens units for projecting
02/02/1999US5867315 Crystal optic lens and an optical system for an optical pickup device
01/1999
01/27/1999EP0893724A1 Zoom lens
01/27/1999EP0893723A2 Zoom lens
01/26/1999US5864435 Compact wide-angle zoom lens
01/21/1999WO1999003006A1 High performance projection television lens systems
01/21/1999WO1999002950A1 Multi-spectral two-dimensional imaging spectrometer
01/21/1999WO1998047038A3 Method for forming an image with a large effective field of view using a small optical element, and a corresponding device
01/19/1999US5862000 Photographic lens system
01/19/1999US5861999 Super wide angel lens system using an aspherical lens
01/19/1999US5861986 Zoom finder optical system
01/13/1999EP0890863A2 Image projection system
01/13/1999EP0890861A2 Zoom lens
01/13/1999EP0890258A1 Infrared image sensor with incorporated functions
01/12/1999US5859729 Zoom lens device with four lens unit
01/12/1999US5859721 Optical device using a point light source
01/12/1999US5859720 Scanniing optical apparatus
01/12/1999US5858473 Forming transparent film covering semiconductor film over substrate, ion doping semiconductor film with phosphorus, irradiating with beam of excimer laser pulses to activate phosphorus
01/07/1999EP0888570A1 Reticular objective for microlithography-projection exposure installations
01/05/1999US5856884 Projection lens systems
12/1998
12/29/1998USRE36018 Dustproof view finder
12/29/1998US5854713 Reflection type angle of view transforming optical apparatus
12/22/1998US5852518 Projection optical unit and projection exposure apparatus comprising the same
12/22/1998US5852516 Dual purpose infrared lens assembly using diffractive optics
12/22/1998US5852508 Lens device, ultraviolet-ray emitting device, and optical disc recording device
12/22/1998US5852490 Projection exposure method and apparatus
12/17/1998DE19724180A1 Monolithic optical position sensor, e.g. to determine position of aircraft
12/15/1998US5850311 Eyepiece system
12/09/1998EP0852021A4 Day and night sighting system
12/08/1998US5847879 Dual wavelength wide angle large reflective unobscured system
12/08/1998US5847868 Night vision binoculars
12/01/1998US5844729 Wide angle photographic lens
12/01/1998US5844725 Zoom lens
11/1998
11/26/1998DE19814731A1 Operation microscope for neurosurgery, etc.
11/25/1998CN1199982A Image pickup device and camera
11/24/1998US5841754 Optical pickup device having an objective lens and auxiliary lenses exterior thereof
11/24/1998US5841590 Aberration controllable optical system
11/24/1998US5841589 Panoramic optics assembly having an initial flat reflective element
11/24/1998US5841587 For forming a magnified image of an object
11/24/1998US5841586 Optical system
11/24/1998US5841574 Multi-special decentered catadioptric optical system
11/24/1998US5841101 Method used in manufacturing a workpiece using a plurality of spaced apart mask patterns
11/18/1998EP0878773A2 Plotting head with individually addressable laser diode array
11/17/1998US5838502 Objective lens for optical pickup apparatus
11/17/1998US5838501 Indirect ophthalmoscopy lens
11/17/1998US5838500 High-powered zoom lens system
11/17/1998US5838499 Telephoto zoom lens system
11/17/1998US5838492 Method and apparatus for a binocular optical system