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)
03/2000
03/14/2000US6038085 Super wide angle lens
02/2000
02/22/2000US6028720 High resolution objective for large-format photography
02/22/2000US6028713 Compact lens
02/09/2000CN1243964A Projecting lens
01/2000
01/25/2000US6018425 Wide-angle lens assembly and method
01/18/2000US6016229 Wide-angle lens
01/11/2000US6014267 Variable magnification optical system
01/05/2000EP0634023B1 Compact objective lens with two lens groups
01/04/2000US6011660 Imaging lens
12/1999
12/29/1999WO1999067662A1 Projection television lens systems having improved modulation transfer functions
12/15/1999CN1238839A Lenses for electronic imaging systems
12/09/1999WO1999063379A1 Inverse triplet lens assemblies
12/09/1999CA2333081A1 Inverse triplet lens assemblies
12/07/1999US5999337 Lens system for electronic photography
12/07/1999US5999334 Fixed focal length lens system
12/07/1999US5999327 Objective lens system
11/1999
11/16/1999US5986806 Decentered optical system
11/02/1999US5978159 Hybrid photographic objective
10/1999
10/26/1999US5973850 Lens system
10/19/1999US5969883 Imaging lens and optical apparatus using the same
10/19/1999US5969876 Projection lenses having large back focal length to focal length ratios
10/19/1999US5969874 Long focal length projection lenses
10/12/1999US5966252 Bravais lens
10/12/1999US5966251 Imaging lens
10/06/1999EP0657038B1 A compact objective lens system
10/05/1999US5963381 Photographic lens for electronic still camera
10/05/1999US5963375 Athermal LCD projection lens
09/1999
09/28/1999US5959788 Image readout lens with small chromatic aberration and image readout apparatus
09/22/1999EP0943112A1 Spherical-aberration detection system and optical device using the same
09/22/1999CN1229180A Lens element and illumination optical apparatus and projection display apparatus
09/21/1999US5956179 Replicated relay lens system
09/07/1999US5949577 Lens system including a diffractive optical element
08/1999
08/24/1999US5943172 Projection optical system and projection exposure apparatus
08/18/1999EP0935772A1 Objective lens having constant focal length in visible and ir range
08/17/1999US5940219 Imaging lens
08/10/1999US5936783 Image readout lens and image readout apparatus using the same
08/03/1999US5933286 Image forming lens
08/03/1999US5933280 Projection lens and image display device
07/1999
07/28/1999EP0896690A4 Projection television lens system
07/27/1999US5930056 Gauss lens
07/27/1999US5930043 Optical system with refracting and diffracting optical units, and optical instrument including the optical system
07/06/1999US5920436 Large-aperture lens for low-illuminance imaging
07/06/1999US5920434 Color-image-reading Gaussian lens
07/01/1999DE19860053A1 Optical system for producing monochromatic image
07/01/1999DE19754758A1 High resolution lens for large sized photography, with six lenses
06/1999
06/29/1999US5917661 Reading lens system
06/24/1999WO1999018467A9 Zoom lens system having imaging and non-imaging ranges
06/22/1999US5914823 Camera lens systems
06/16/1999EP0896679A4 Lcd projection lens
06/16/1999CN1220010A LCD projection lens
06/01/1999US5909321 Doublet lens, variable apex angle prism and deviation correction device
06/01/1999US5909319 Long focal length macrolens system
05/1999
05/19/1999CN1217073A Projection television lens system
05/04/1999US5900994 Readout lens
04/1999
04/15/1999WO1999018467A1 Zoom lens system having imaging and non-imaging ranges
04/15/1999WO1999018466A1 Spherical-aberration detection system and optical device using the same
04/06/1999US5892984 Photographic lens and camera
03/1999
03/23/1999US5886835 Relay optical system
03/11/1999WO1999012067A1 Objective lens having constant focal length in visible and ir range
03/10/1999CN2310328Y Panel for electric appliances housing
03/09/1999US5880893 Objective lens and recording/reproducing apparatus
02/1999
02/17/1999EP0896690A1 Projection television lens system
02/17/1999EP0896679A1 Lcd projection 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
02/03/1999CN1206842A Lens and camera with same
02/02/1999US5867320 Lens unit for projector
01/1999
01/26/1999US5864436 Constant deviation objective lens
01/26/1999CA2067021C Powerless field-corrective lens
01/21/1999WO1999003006A1 High performance projection television lens systems
01/19/1999US5862000 Photographic lens system
12/1998
12/15/1998CA2147130C Lighting system for spotlights, projectors and enlarging apparatuses
11/1998
11/24/1998US5841587 For forming a magnified image of an object
11/24/1998US5841586 Optical system
11/17/1998US5838501 Indirect ophthalmoscopy lens
11/11/1998EP0769156A4 Extreme wide angle, very large aperture, compact, uv imaging lens
11/10/1998US5835288 Imaging lens
11/10/1998US5835286 Standard lens system having a large aperture ratio
11/10/1998US5835285 Projection optical system and exposure apparatus using the same
11/03/1998US5831775 Long focal length microlens system
11/03/1998CA2117427C Compact objective lens with two lens groups
10/1998
10/13/1998US5820240 Projection optical device
10/07/1998EP0869382A2 Projection optical system
09/1998
09/22/1998US5812327 Imaging lens
09/15/1998US5808815 Lens system
09/15/1998US5808804 For use with a cathode ray tube
09/08/1998US5805359 Wide-angle lens system
09/08/1998US5805344 Projection optical system and projection exposure apparatus
09/02/1998CN1191979A Objective lens and optical pickup apparatus
09/01/1998US5801890 Taking lens system
09/01/1998US5801886 Image magnification apparatus
08/1998
08/25/1998US5798874 Imaging lens
08/18/1998US5796529 Fast photographic lens system
07/1998
07/29/1998CN1189222A Fixed-focus triplet projection lens for overhead projectors
07/14/1998US5781340 Gauss lens with image stabilizing function
06/1998
06/16/1998US5768034 Lens tilt error reduction actuator
06/16/1998US5768032 Large aperture projection lens
06/16/1998US5768030 Compact small format lens system
06/09/1998US5764425 Telephoto lens
06/04/1998WO1998023988A1 Lenses for electronic imaging systems
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