Patents
Sitemap › G02 - Optics › G02B - Optical elements, systems, or apparatus › G02B 9 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or
Patents for G02B 9 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or (5,791)
11/1992
11/25/1992EP0514745A2 Lens for creation of focus within a sample
11/24/1992US5166827 Gradient index optical element
11/03/1992US5161065 Behind stop wide angle lens system
11/03/1992US5161060 Camera lens
10/1992
10/27/1992US5159495 Graded index optical elements and catadioptric optical systems
10/27/1992US5159491 Combination collimating lens and correcting prism
10/13/1992US5155632 Copying lens system
10/13/1992CA1308583C Projection lens system
10/07/1992EP0506955A1 Apochromatic relay lens systems suitable for use in a high definition telecine apparatus.
10/06/1992US5153779 Lens for reading original
10/06/1992US5153778 Powerless field-corrective lens
09/1992
09/23/1992CN1018386B Shearing interferometer for detecting collimation of optical beams
08/1992
08/18/1992US5139342 Photographic lens system
07/1992
07/28/1992US5134522 Projection lens system
06/1992
06/25/1992WO1992010774A1 Graded index optical elements and catadioptric optical systems
06/25/1992WO1992010773A1 Apochromatic relay lens systems suitable for use in a high definition telecine apparatus
05/1992
05/26/1992US5117308 Lens system using unhomogenous media
05/20/1992CN2105080U Lens of film processor
05/12/1992US5113288 Behind stop wide angle lens system
05/06/1992EP0215118B1 Compact see-through night vision goggles
04/1992
04/28/1992US5109298 Graded-index lens
04/08/1992CN2101254U 35 mm vari-focal objective lens for film projector
04/08/1992CN1060158A Telescop pickup and recording camera
04/07/1992CA1298500C Compact see-through night vision goggles
03/1992
03/04/1992CN2098044U Simple wide-angle lens
02/1992
02/04/1992US5086355 Focal length changeable lens system
01/1992
01/28/1992US5084784 Copying lens system
01/22/1992EP0467240A1 Ultra-wideband achromatic lens
01/21/1992US5083223 Objective lens system for endoscopes
01/14/1992US5080473 Vari-focal lens system
12/1991
12/17/1991US5073017 Image deflecting device
12/12/1991DE4030958C1 Wide angle objective lens with several partial groups - which have focal lengths, meeting specified formulae
12/10/1991US5071238 Telescopic camera
11/1991
11/26/1991US5067803 Photographic wide angle lens
11/19/1991US5067067 Method for evaluating and designing lenses
11/19/1991CA1292282C Optical communication systems using fabry-perot cavities
11/06/1991CN1056004A Camera lens with relative aperture 1:2.8 and rear diaphragm
10/1991
10/29/1991US5061058 Opthalmic lens for use in the correction of astigmatism
10/29/1991US5061046 Gradient index liquid crystal devices and method of fabrication thereof
10/23/1991CN1055600A Shearing interferometer for detecting collimation of optical beams
10/22/1991US5059005 Objective lens system for microscopes
10/08/1991US5054899 Medium telephoto lens system
09/1991
09/24/1991US5050974 Optical system for endoscopes
09/19/1991DE4102377A1 Fast lens system for camera - if formed from six lenses with curvatures defined by mathematical formula
09/18/1991EP0446949A1 System for correcting an aberration in an optical system
09/10/1991US5046833 Zoom lens system
09/03/1991US5044737 Double axial gradient lens and process for fabrication thereof
08/1991
08/20/1991US5040884 Reading lens system for use in scanner
07/1991
07/24/1991EP0437572A1 Double axial gradient lens and process for fabrication thereof
07/16/1991US5032859 Shutter with lens drive mechanism
07/16/1991US5032012 Rear converter lens system
07/09/1991US5029994 Large-aperture quasi-telephoto lens system
06/1991
06/25/1991US5027144 Lens changer for cameras
06/25/1991US5026149 Projection lens system
05/1991
05/16/1991CA2003159A1 Interferometric imaging system
04/1991
04/24/1991CN2075789U Thin photographic lens for micro distortion
04/16/1991US5007720 Lens system enabling close distance photographing
03/1991
03/26/1991US5002372 Optical system for amphibious camera and a moving device using the same
03/12/1991US4998809 Image-stabilizing optical device
03/12/1991US4998807 Variable focal length lens system
03/07/1991WO1991001012A3 Double axial gradient lens and process for fabrication thereof
01/1991
01/29/1991US4988176 Projection lens
01/24/1991WO1991001012A2 Double axial gradient lens and process for fabrication thereof
01/22/1991US4986643 Lens system capable of close-up photographing
01/22/1991US4986642 Objective lens system for endoscopes and image pickup system equipped with said objective lens system
01/14/1991CA2036377A1 Double axial gradient lens and process for fabrication thereof
01/08/1991US4983026 Focal length changeable lens system
01/01/1991US4982216 Focusing device of a camera
01/01/1991US4981352 Projection display device
12/1990
12/25/1990US4979808 Endoscope objective lens system
12/18/1990US4978205 Vibration-isolating optical system
12/11/1990US4976526 Performance correcting optical assembly for photographic lens for television
12/11/1990US4976521 Zoom lens system
12/04/1990US4974947 Refractive index distribution type meniscus lens and optics
10/1990
10/23/1990US4964704 Optical system for use of a laser processing machine
10/23/1990US4964703 Image-forming lens
10/23/1990US4964686 Finder optical device
10/16/1990US4963010 Compact zoom lens system
10/16/1990US4963007 Color corrected projection lens
10/10/1990EP0391533A1 Vibration-isolating optical system
10/03/1990CN1009866B Photographic low distortion thin objective
09/1990
09/20/1990DE3907928A1 Objective having large angular coverage (angle of view)
09/19/1990EP0387723A2 Image-stabilizing optical device
08/1990
08/14/1990US4948237 Projection lens system
08/14/1990US4948236 Soft-focus lens system
07/1990
07/24/1990US4943146 Reading lens system
06/1990
06/26/1990US4936665 High resolution imagery systems and methods
06/05/1990US4930880 Graded refractive index lens
05/1990
05/29/1990US4929071 Long-focus color-corrected petzval-type optical objective
05/15/1990US4925283 Objective lens for optical memory device
05/08/1990US4923292 Macro lens system
05/02/1990CN1041827A Optical system of wide-aperture objective lens for microprojection
04/1990
04/12/1990DE3833946A1 Optical imaging system
03/1990
03/20/1990US4909616 Optical system for recording and reproducing an optical information medium
03/13/1990US4908639 Optical system having a variable out-of-focus state
03/13/1990US4907865 Variable magnification duplicator lens system
02/1990
02/27/1990US4904070 Telephoto lens system
02/20/1990US4902330 Method of producing gradient-index lens
01/1990
01/24/1990CN1039122A Small-distortion thin camera objective
01/09/1990US4892398 Triplet type objective with a diaphragm arranged behind the lens system
1 ... 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58