Patents
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)
05/1996
05/07/1996US5515208 Endoscope objective lens
04/1996
04/30/1996US5513046 Large aperture retrofocus lens
04/30/1996US5513042 Lens system with master lens system and conversion lens
04/16/1996US5508848 Wide-angle lens for film-combined type cameras
04/10/1996CN1031528C Lighting system for spotlights, projectors and enlarging apparatus
04/09/1996US5506729 Copy lens
04/02/1996US5504618 Extreme wide angle, very large aperture, compact, UV imaging lens
03/1996
03/26/1996US5502597 Wide-angle photographic lens system and a photographic camera
03/21/1996DE19534638A1 Optical system used as size reducing objective
03/21/1996DE19532111A1 Apochromatic wide angle objective
03/19/1996US5500767 Objective lens and method of measuring its performance
03/12/1996US5499142 Large aperture wide angle type photographic lens system
02/1996
02/22/1996DE19527255A1 In visual spectral range working single-lens camera
02/20/1996US5493449 Imagery lens system
02/20/1996US5493446 Projection lens
02/14/1996CN1116720A Optical imaging system
01/1996
01/31/1996EP0694800A2 Replicated relay lens system
01/27/1996CA2150314A1 Replicated relay lens system
01/09/1996CA2044571C Ultra-wideband achromatic lens
12/1995
12/28/1995WO1995035521A1 Extreme wide angle, very large aperture, compact, uv imaging lens
12/12/1995US5475536 Lens system for reading image
12/12/1995US5475534 Projection lens systems for projector
11/1995
11/02/1995DE19507742A1 Objective lens with four lens groups
10/1995
10/24/1995US5461509 Modular optical relay lens system
10/17/1995US5459615 Miniature fixed-focal-length lens system
10/10/1995US5457576 Negative Abbe number radial gradient index relay, method of making, and use of same
10/04/1995EP0674757A1 Lighting system for spotlights, projectors and enlarging apparatuses.
10/03/1995US5455714 Zoom lens system
09/1995
09/19/1995US5452132 Projection lens system for rear type projection television
09/05/1995US5448408 Projection lens system
07/1995
07/25/1995US5436765 Visual display apparatus
07/06/1995WO1995018393A1 Hybrid refractive/diffractive achromatic camera lens and camera using such
07/06/1995WO1995018392A1 A method of manufacturing a diffractive surface profile
06/1995
06/21/1995EP0658874A1 Process and circuit for producing from a speech signal with small bandwidth a speech signal with great bandwidth
06/14/1995EP0657038A1 A compact objective lens system
05/1995
05/24/1995CN1102887A 投影镜头和图象显示装置 Projection lens and the image display apparatus
05/23/1995US5418649 Objective lens system for endoscopes
05/10/1995EP0514538B1 Graded index optical elements and catadioptric optical systems
05/09/1995US5414560 Optical device
04/1995
04/04/1995US5404246 Projection lens system
03/1995
03/21/1995US5400072 Video camera unit having an airtight mounting arrangement for an image sensor chip
02/1995
02/28/1995US5394272 High-magnification wide-field-of-view telemicroscopic lens configuration
02/14/1995US5390048 Projection lens assembly and projection display apparatus
01/1995
01/18/1995EP0634023A1 Compact objective lens with two lens groups
01/17/1995US5383059 Nonvariable transverse magnification focussing method and lens systems
01/12/1995WO1995001581A1 A compact objective lens system
12/1994
12/27/1994US5376984 Real image type finder
12/06/1994US5371628 Projection lens incorporating a pair of matching plastic lenses
11/1994
11/09/1994CN1026523C Telescope pickup and recording camera
11/01/1994US5361167 Vari-focal lens system
10/1994
10/18/1994US5357373 Image projection lens
10/11/1994US5355387 Interface module for transverse energy input to dye laser modules
10/06/1994DE4310660A1 3-lens apochromat having optical glasses (FC-objectives)
09/1994
09/13/1994US5347398 Optical system for forming an image of a plane on a spherical surface
08/1994
08/03/1994EP0609093A1 Negative abbe number radial gradient index relay, method of making, and use of same
07/1994
07/20/1994CN1089712A Lighting system for spotlights, projectors and enlarging apparatuses
07/19/1994US5331465 Macro lens
07/12/1994US5329404 Laser beam expander: 5X
07/07/1994WO1994015143A1 Lighting system for spotlights, projectors and enlarging apparatuses
07/05/1994US5327291 For use in forming an image on a flat or weakly concave recording surface
06/1994
06/28/1994US5325234 Telephoto lens system
06/21/1994US5323268 Compound lens
06/14/1994US5321555 Compact photographic objective of the triplet type having improved chromatic and monochromatic characteristics
05/1994
05/17/1994US5313328 Optical system comprising graded refractive index lens element
05/10/1994US5311364 Reading lens for scanner
05/10/1994US5311363 Fixed-focal-length lens system
05/10/1994US5311355 Afocal zooming optical system
05/10/1994US5311348 Cylindrical lens system for use in laser beam scanning apparatus and scanning apparatus including same
04/1994
04/19/1994US5305150 Laser beam expander: 10×
04/19/1994US5305148 Image forming system
04/12/1994US5303088 Retrofocus type lens
04/12/1994US5303087 Retrofocus type lens
03/1994
03/29/1994US5299062 Optical lens
03/08/1994US5293270 Reading lens system
02/1994
02/08/1994US5285319 Scanner lens for reading
01/1994
01/19/1994EP0579427A1 Single aspheric lens camera
01/11/1994US5278698 Magnifying projecting lens
01/11/1994US5278597 Camera with a positive meniscus lens
11/1993
11/09/1993US5260832 Projection lens system
10/1993
10/26/1993US5257137 Photo-taking lens for an underwater camera
10/14/1993WO1993020470A1 Compact objective lens with two lens groups
10/05/1993US5251063 Large-aperture three-lens objective with aspherical-surfaces
09/1993
09/29/1993EP0562754A1 Optical system for laser devices
09/21/1993US5247392 Objective lens for producing a radiation focus in the inside of a specimen
09/07/1993US5243468 Wide angle objective lens
08/1993
08/24/1993US5239413 Objective lens system for microscopes
08/17/1993US5237456 Projection lens
08/10/1993US5235464 Lens system
06/1993
06/22/1993US5221996 Zoom lens system having short total length
06/01/1993US5216548 Compound lens system
05/1993
05/11/1993US5210645 Light blocking device for optical lenses
04/1993
04/22/1993DE4234721A1 Three lens arrangement - has front, central and rear lens of material of different dispersions set spacedly and having spherical and aspherical surfaces
04/21/1993EP0537469A1 Photographic objective of the triplet type
03/1993
03/31/1993CN1020212C Optical system of wide-apperture objective lens for microprojection
03/23/1993US5196962 Vari-focal lens system
03/10/1993CN1020050C Camera lens with relative aperlure 1:2.8 and rear diaphragm
02/1993
02/02/1993US5184251 Vari-focal lens system
01/1993
01/07/1993EP0521624A1 Powerless field-corrective lens
12/1992
12/15/1992US5172275 Apochromatic relay lens systems suitable for use in a high definition telecine apparatus
12/15/1992US5172272 Imaging lens system
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