Patents
Patents for G02B 11 - Optical objectives characterised by the total number of simple and compound lenses forming the objective and their arrangement (408)
07/2005
07/13/2005EP1553488A1 Universal computing device
07/13/2005CN1637698A Optical system design for a universal computing device
07/07/2005CA2491393A1 Optical system design for a universal computing device
06/2005
06/30/2005DE10353563A1 Projecting lens system for projecting digital image data has an arrangement of eleven positive and negative lenses with a shortened overall focal length
05/2005
05/31/2005US6900948 Single focus lens
05/18/2005CN2701188Y Scanning module
04/2005
04/19/2005US6880937 Projection optical system and image projection apparatus
03/2005
03/17/2005US20050057732 Projection optical system and image projection apparatus
12/2004
12/22/2004CN1181372C Lens of biochip scanning-detecting system
10/2004
10/07/2004WO2004051223A3 Method and apparatus for prescribed intensity profile
10/06/2004CN1535391A 投影镜头 Projection Lens
10/05/2004US6801373 Projection lens
09/2004
09/30/2004US20040189998 Interferometric servo control system for stage metrology
09/30/2004US20040189933 Apparatus and method for use in fulfilling illumination prescription
09/22/2004CN1167966C Projection objective for 0.35 micron photoetching
09/22/2004CN1167965C Connection device of optical parts and optical module using said device
09/15/2004CN1166921C Monitoring method of long-period working state of optical fibre grating anchor wire and its equipment
07/2004
07/28/2004EP1440296A1 Shaped illumination geometry and intensity using a diffractive optical element
07/22/2004US20040140965 Universal computing device
07/22/2004US20040140964 Universal computing device for surface applications
07/15/2004US20040136083 Optical system design for a universal computing device
06/2004
06/17/2004WO2004051223A2 Method and apparatus for prescribed intensity profile
06/08/2004US6747744 Interferometric servo control system for stage metrology
06/03/2004US20040105172 Projection lens
05/2004
05/27/2004WO2004034122A3 Optical device for observing samples on a support, designed in particular for a cytometer
05/26/2004CN1499446A General-purpose calculating appts.
05/12/2004CN1495461A Repeatered lens used in lighting system of photoetching system
05/06/2004US20040085286 Universal computing device
05/06/2004EP1416423A2 Universal computing device
04/2004
04/22/2004WO2004034122A2 Optical device for observing samples on a support, designed in particular for a cytometer
03/2004
03/18/2004US20040051857 Projection system for EUV lithography
01/2004
01/15/2004US20040008408 Relay lens used in an illumination system of a lithography system
01/14/2004EP1380871A2 Relay lens used in an illumination system of a lithography system
12/2003
12/17/2003CN1131451C Prepn. of optical glass substrate for deternining absolute zero position in plane
07/2003
07/23/2003CN1115578C Image space telecentric double-Gaussian optical system
07/16/2003CN2560740Y Door sight glass
06/2003
06/19/2003US20030112530 Single focus lens
06/19/2003US20030112529 Lens system and camera having the same
05/2003
05/21/2003CN1109265C Projection lens, image amplifying projection system, image projector and projection television
03/2003
03/27/2003WO2002050595A3 Projection lens
03/19/2003CN1403844A Lens system and camera with the same system
03/05/2003CN1400451A Monitoring method of long-period working state of optical fibre grating anchor wire and its equipment
12/2002
12/04/2002CN1383015A Lens of biochip scanning-detecting system
07/2002
07/11/2002US20020089671 Interferometric servo control system for stage metrology
07/11/2002US20020089176 Optical part linkage device and optical module using the same
06/2002
06/27/2002WO2002050595A2 Projection lens
06/19/2002EP1215519A1 Projection objective
03/2002
03/13/2002CN1339708A Connection device of optical parts and optical module using said device
03/05/2002US6353470 Microlithography reduction objective and projection exposure apparatus
02/2002
02/20/2002CN1336563A Prepn. of optical glass sbustrate for determining absolute zero position in plane
02/13/2002CN1335525A Projection objective for 0.35 micron photoetching
09/2000
09/13/2000EP1035445A2 Microlithographic reduction objective and projection exposure apparatus
06/2000
06/27/2000US6081387 Projection lens
06/14/2000CN1256429A Image space telecentric double-Gaussian optical system
10/1999
10/26/1999US5973859 Apochromatic lens system
10/12/1999US5966195 Method of determining cell thickness and twist angle parameters of liquid crystal cell
08/1999
08/17/1999US5940219 Imaging lens
05/1999
05/20/1999DE19853272A1 Apochromatic lens system used as objective for astronomy telescope
04/1999
04/07/1999CN1213087A Projection lens
01/1999
01/06/1999CN1204062A Afocal zoom lens system
09/1998
09/15/1998US5808814 Short wavelength projection optical system
08/1998
08/25/1998US5798868 Projection lens
03/1998
03/24/1998US5731908 Photographic lens system
10/1997
10/30/1997DE19616886A1 Far field wide band spectrograph lens
09/1997
09/24/1997CN1160215A Photographic lens system
06/1997
06/12/1997DE19650724A1 Photographic lens consisting of two lens groups
04/1997
04/29/1997US5625497 Retrofocus type standard lens and wide angle lens
04/29/1997US5625488 Telecentric relay lens system
10/1996
10/14/1996CA2147333A1 Panoramic viewing system
04/1996
04/16/1996US5508846 Wide field of view objective lens assembly
04/03/1996CN1119747A Projection lens
03/1996
03/21/1996DE19534638A1 Optical system used as size reducing objective
02/1996
02/22/1996DE4429194A1 Telecentric endoscope transformation system
02/20/1996US5493446 Projection lens
09/1995
09/19/1995US5452132 Projection lens system for rear type projection television
02/1995
02/28/1995US5394272 High-magnification wide-field-of-view telemicroscopic lens configuration
04/1994
04/12/1994US5303087 Retrofocus type lens
03/1994
03/08/1994US5293270 Reading lens system
11/1993
11/24/1993CN2147551Y Camera lens for credentials
05/1991
05/28/1991US5018845 Photographic system for stabilizing an image including two positive lens groups, each group including a positive lens and a negative lens
06/1988
06/28/1988US4753523 Low magnification projection objective lens
04/1986
04/15/1986CA1203301A1 Sheet measuring apparatus
07/1985
07/09/1985US4528507 Sheet measuring apparatus with two structurally isolated non-contacting surface follower bodies and wireless signal transmission
12/1984
12/18/1984CA1179495A1 Apparatus for measuring the visibility range in the fog
12/04/1984CA1178834A1 Variable focal length projection lens for use on overhead projectors
04/1984
04/17/1984US4443070 Camera lens system with long back focal distance and large aperture ratio
08/1983
08/23/1983US4400065 Multi-purpose telescope
05/1983
05/04/1983EP0078096A2 Sheet measuring apparatus
04/1983
04/19/1983US4380374 Variable focal length projection lens for use on overhead projectors
10/1982
10/27/1982EP0063425A1 Variable focal length projection lens for use on overhead projectors
11/1980
11/11/1980US4232943 Modified Petzval lens
04/1980
04/01/1980CA1074554A1 Optical rangefinding apparatus
12/1979
12/11/1979US4178075 Lenses with distortion
03/1979
03/13/1979CA1050314A1 Projection lens system
02/1979
02/13/1979US4139265 Modified gauss type photographic lens
09/1978
09/26/1978US4116536 Wide angle lens
03/1978
03/28/1978US4081210 Composite four-element lens system, particularly for use with laser beams
12/1977
12/13/1977US4062630 Telephoto lens system
11/1977
11/08/1977US4057330 Lens system having large relative aperture and long focus
11/08/1977US4057328 Enlarging lens system
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