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Class Information
Number: 359/724
Name: Optical: systems and elements > Lens > Annular zonal correcting
Description: Subject matter wherein the lens comprises one or more annular components which are used either to correct aberrations present in an annular zone of the lens or of another lens or to increase the depth of focus of either lens.


Patents under this class:

Patent Number Title Of Patent Date Issued
7623303 Solid tunable micro optical device and method Nov. 24, 2009
7612950 Aspheric plastic lens and mold for manufacturing the same Nov. 3, 2009
7554751 Lens and optical pickup device Jun. 30, 2009
7042658 Lens forchromatic aberration compensation May. 9, 2006
6924944 Optical system, and optical apparatus Aug. 2, 2005
6842297 Wavefront coding optics Jan. 11, 2005
6813097 Lenses capable of post-fabrication modulus change Nov. 2, 2004
6504652 Apparatus and method for laser processing Jan. 7, 2003
6388822 Optical pickup device and optical recording medium May. 14, 2002
6381074 Light collecting optical system Apr. 30, 2002
6178046 Anti-aliasing diffractive aperture and method of using same Jan. 23, 2001
6157500 Particle analyzer and composite lens formed by integrally joining plural lens elements of different focal points Dec. 5, 2000
6134055 Objective lens and optical pickup device Oct. 17, 2000
6118474 Omnidirectional imaging apparatus Sep. 12, 2000
6115187 Optical device and image reading apparatus Sep. 5, 2000
6052237 Objective lens and scanning device using such an objective lens Apr. 18, 2000
6043912 Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens Mar. 28, 2000
5966250 Method and light collection system for producing uniform arc image size Oct. 12, 1999
5940217 Anti-aliasing diffractive aperture and optical system using the same Aug. 17, 1999
5886834 Passive scene base calibration system Mar. 23, 1999
5872658 Zoom lens system Feb. 16, 1999
5717525 Zoom lenses Feb. 10, 1998
5631778 Panoramic fish-eye imaging system May. 20, 1997
5627675 Optics assembly for observing a panoramic scene May. 6, 1997
5212589 Lens system for focussing light of plural wavelength May. 18, 1993
5193031 Divergence and marking device for a target marker Mar. 9, 1993
5189294 Transform lens with a plurality of sliced lens segments Feb. 23, 1993
5042928 Parallel catadioptric optical element Aug. 27, 1991
4936665 High resolution imagery systems and methods Jun. 26, 1990
4842393 Cuspated lens Jun. 27, 1989
4711535 Ring field projection system Dec. 8, 1987
4429957 Panoramic zoom lens assembly Feb. 7, 1984
4256370 Cored lens for large refracting telescopes Mar. 17, 1981
4214814 Variable soft focus lens system Jul. 29, 1980
4192579 Behind-stop type lens system for photographic cameras Mar. 11, 1980
4013347 Movable filter optical system for providing improved optical transmission characteristics Mar. 22, 1977



 
 
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