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Class Information
Number: 359/649
Name: Optical: systems and elements > Lens > With field curvature shaping > Projection type
Description: Subject matter wherein an image of an image plane is caused to be visible at an object plane.










Sub-classes under this class:

Class Number Class Name Patents
359/650 Having four components 114
359/651 Having less than four components 168


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8702243 Image projection apparatus and interchangeable lens therefor Apr. 22, 2014
8693109 Projector lens system and projector apparatus Apr. 8, 2014
8675292 Projection lens and projection apparatus Mar. 18, 2014
8657450 Projection optical system and image projection device Feb. 25, 2014
8649101 Projection apparatus Feb. 11, 2014
8649094 Low thermal stress birefringence imaging lens Feb. 11, 2014
8616711 Oblique projector having movable free form lenses Dec. 31, 2013
8605111 Method and apparatus for adjusting image colors of image projector Dec. 10, 2013
8599488 Optical arrangement of autofocus elements for use with immersion lithography Dec. 3, 2013
8587873 Wide-angle projection lens for projection display systems Nov. 19, 2013
8587872 Lens module Nov. 19, 2013
8573787 Projection type display apparatus Nov. 5, 2013
8562152 Collimator lens unit with aspheric surfaces for imparting a luminous flux density distribution Oct. 22, 2013
8508853 Projection lens and projection-type display apparatus Aug. 13, 2013
8508854 Optical element and method Aug. 13, 2013
8493663 Optical system and optical apparatus having the same Jul. 23, 2013
8451550 Projection lens May. 28, 2013
8441736 Lens for projection and projection-type display apparatus May. 14, 2013
8422140 Fixed focal length lens Apr. 16, 2013
8416502 Zoom lens Apr. 9, 2013
8408717 Projection type image display apparatus Apr. 2, 2013
8403504 Projection type display apparatus Mar. 26, 2013
8405913 Anamorphic projection optical system Mar. 26, 2013
8395846 Lens system and display device Mar. 12, 2013
8390784 Catadioptric projection objective with pupil mirror, projection exposure apparatus and projection exposure method Mar. 5, 2013
8385001 Zoom projection lens system Feb. 26, 2013
8363327 Projection lens Jan. 29, 2013
8345354 Lens for projection and projection-type display apparatus Jan. 1, 2013
8325421 Zoom projection lens Dec. 4, 2012
8320048 Projection lens and projection-type display apparatus using the lens Nov. 27, 2012
8313199 Projection display system including lens group and reflecting mirror Nov. 20, 2012
8287129 Low thermal stress birefringence imaging system Oct. 16, 2012
8284462 Image reading device and image forming apparatus Oct. 9, 2012
8284493 Projection lens unit for pico-projector Oct. 9, 2012
8279527 Wide-angle projection optical system Oct. 2, 2012
8270074 Magnified-projection optical system and digital type planetarium device Sep. 18, 2012
8228611 Lens module Jul. 24, 2012
RE43540 Optical pickup, optical disc drive device, and optical information device Jul. 24, 2012
8223435 Zoom lens for projection and projection-type display device Jul. 17, 2012
8213089 Projecting type hyper-lens and method of manufacturing the same Jul. 3, 2012
8203710 Compact wide field fast hyperspectral imager Jun. 19, 2012
8203792 Projection lens Jun. 19, 2012
8189264 Projection optical system and image display device May. 29, 2012
8182097 Projection type image display apparatus May. 22, 2012
8179606 Zoom lens for projection and projection-type display device May. 15, 2012
8179607 Projection zoom lens and projection-type display apparatus May. 15, 2012
8174771 Lens blank and lens elements as well as method for their production May. 8, 2012
8169708 Projecting optical unit and projecting type image display apparatus therewith May. 1, 2012
8169694 Catoptric objectives and systems using catoptric objectives May. 1, 2012
8144401 Zoom lens Mar. 27, 2012

1 2 3 4 5 6 7 8 9 10 11 12










 
 
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