Patents
Patents for G02B 13 - Optical objectives specially designed for the purposes specified below (20,651)
12/1993
12/14/1993US5270850 Laser scanner
12/14/1993US5270758 Waist level finder optical system
12/09/1993WO1993024854A1 Scanning object lens
12/07/1993US5268793 Zoom lens system
12/07/1993US5268749 Apparatus and method for providing uniform illumination of a sample plane
12/01/1993EP0571608A1 Zoom lens system for use in a compact camera.
12/01/1993EP0571364A1 Holographic laser scanner
11/1993
11/30/1993US5267086 Soft focus lens system
11/30/1993US5267084 Compact, fast zoom lens system
11/30/1993US5267082 Zoom lens
11/30/1993US5266795 Wide-angle imaging system with fiberoptic components providing angle-dependent virtual material stops
11/23/1993USRE34455 Large-aperture single lens with aspherical surfaces
11/09/1993US5260833 Zoom lens system
11/09/1993US5260832 Projection lens system
11/09/1993US5260831 Anamorphic illuminating optical system
11/09/1993US5260578 Confocal imaging system for visible and ultraviolet light
11/02/1993US5258777 Thermal printer system with a high aperture micro relay lens system
11/02/1993US5258618 In a camera
11/02/1993US5258609 Wide field of view optical element having plural reflectors of different widths
11/02/1993US5258024 Method of manufacture of a lens of transparent polymer having a modulated refractive index
10/1993
10/26/1993US5257137 Photo-taking lens for an underwater camera
10/26/1993US5257136 Reverse telephoto agron objective lens
10/26/1993US5257133 Re-imaging optical system employing refractive and diffractive optical elements
10/19/1993US5255122 Projection lens system for projection type television
10/14/1993WO1993020470A1 Compact objective lens with two lens groups
10/14/1993WO1993020416A1 Phase detection deflectometer-type optical device having a large measuring range
10/14/1993DE4212067A1 Wide angle retrofocus objective lens - has 5 successive lens groups with positive and negative focal widths in alternation and defined optical parameters
10/12/1993US5253113 Wide-angle zoom lens having five lens units
10/12/1993CA2040787C Optical pickup device
10/12/1993CA2013070C Catadioptric projector, catadioptric projection system and process
10/06/1993EP0563615A1 Wide-angle zoom lens
10/05/1993US5251069 Imaging lens system
10/05/1993US5251063 Large-aperture three-lens objective with aspherical-surfaces
10/05/1993US5251038 Solid state imager with a condenser lens on a photo sensor
10/05/1993US5250969 Dustproof view finder
10/05/1993CA1322679C Lens system for projection television receivers
09/1993
09/29/1993EP0562754A1 Optical system for laser devices
09/29/1993EP0562357A1 Objective lens assembly for a portable missile launcher
09/23/1993DE4307416A1 Zoom taking lens for photographic or video camera - has two lens groups with positive and negative focal lengths movable relative to one another
09/21/1993US5247393 Zoom lens
09/21/1993US5247385 Fθ lens and lens for forming linear image
09/15/1993EP0560597A1 Zoom lens with aspheric surface
09/15/1993EP0560124A1 Three field of view refractive afocal telescope
09/07/1993US5243619 Process wherein several radiation sources, arranged in one row or several rows, are imaged, and apparatus for this purpose
09/07/1993US5243468 Wide angle objective lens
09/01/1993EP0558164A1 Procedure for cutting with laser radiation
09/01/1993EP0557998A2 Optical beam scanning apparatus
09/01/1993EP0221145B1 Indirect ophthalmoscopy lens for use with slit lamp biomicroscope
08/1993
08/31/1993US5241423 Optical system
08/31/1993US5241420 Zoom lens system
08/31/1993US5241337 Real image viewfinder requiring no field lens
08/31/1993US5241330 Beam recording with scanning speed change due to F.θ lens characteristics
08/31/1993CA1321714C Anamorphic wide angle safety lens
08/24/1993US5239414 Laser astigmatism compensation
08/19/1993WO1993015647A1 Disposable endoscope
08/18/1993EP0556042A1 Wide field of view optical element
08/18/1993EP0555670A1 Telecentric imaging optical system
08/18/1993EP0555213A1 Proximity alignment using polarized illumination and double conjugate projection lens
08/17/1993US5237456 Projection lens
08/17/1993US5237451 Beam shaping system using diffraction
08/17/1993US5237356 Fundus camera photographic optical system
08/11/1993EP0554994A1 Broad band optical reduction system using matched refractive materials
08/11/1993EP0554440A1 High aperture lens system and printer using the lens system
08/10/1993US5235466 Zoom lens
08/10/1993US5235465 Objective lens system for use within microscope
08/07/1993CA2088902A1 Broad band optical reduction system using matched multiple refractive element materials
08/05/1993DE4302526A1 Relatively thin lens with negative refractive power for use in spectacles - has aspherical surface which is rotationally symmetrical and visibly convex
08/05/1993DE4302514A1 Lens system for eyepiece of optical instrument - has positive lens group and correction lens with aspherical surface on incident side of lens group
08/04/1993EP0553729A1 Anamorphic television system with optical format conversion means and method of use therefor
08/04/1993EP0553583A1 Infrared camera with auto-athermalised optical system
08/03/1993US5233474 Wide-angle lens system
08/03/1993US5233473 Optical system for endoscopes
08/03/1993US5233471 Zoom lens
08/03/1993US5233455 Scanning optical system
07/1993
07/27/1993US5231540 Compact zoom lens system
07/22/1993DE4208635C1 Telecentric objective lens with double Gaussian objective - couples lens contents into image conducting fibres with higher illuminating strength at picture edges
07/20/1993US5229886 Zoom lens
07/20/1993US5229880 Three field of view refractive afocal telescope
07/14/1993EP0550581A1 Optical systems, telescopes and binoculars
07/14/1993EP0446348B1 Telecentric scanning for transparent storage phosphors
07/13/1993US5227920 Zoom lens
07/06/1993US5225893 Two-color focal plane array sensor arrangement
06/1993
06/30/1993EP0548898A1 Zoom lens
06/30/1993EP0548529A1 Reverse telephoto argon objective lens
06/29/1993US5223974 Collimator for binocular viewing system
06/29/1993US5223873 Magnification change-over device for a camera
06/24/1993WO1993012450A1 Zoom lens system for use in a compact camera
06/23/1993EP0547635A2 Method and apparatus for sensing a three-dimensional scene
06/22/1993US5221994 Zoom lens of rear focus type
06/22/1993US5221986 Scanning image-forming lens system and optical scanner
06/22/1993US5221839 Double bevel gradient-index rod lens optical receiver having high optical return loss
06/15/1993US5220458 Keplerian zoomfinder optical system
06/09/1993EP0544945A1 Optical inspection apparatus and system comprising such an apparatus
06/09/1993CN2135333Y Coplanar two-way spectral image converter
06/08/1993US5218480 Retrofocus wide angle lens
06/08/1993US5218476 Zoom lens system
06/02/1993EP0544174A1 Optical component employing refractive and diffractive optical elements to obtain a desired Abbe number
06/01/1993US5216547 Small three-unit variable focal length lens system
05/1993
05/25/1993US5214537 Chromatic aberration correcting objective lens system for information recording/reproducing apparatus
05/25/1993US5214532 Afocal objective lens