Patents
Patents for G02B 13 - Optical objectives specially designed for the purposes specified below (20,651)
08/1985
08/27/1985US4537474 Optical system for projection
08/27/1985US4537464 Infrared objective system lens
08/21/1985EP0151584A1 Thin plastic corrector lenses for optical systems
08/20/1985US4536084 Projection device
08/13/1985US4534626 Large relative aperture telephoto lens system
07/1985
07/30/1985US4531815 Objective lens
07/23/1985US4530575 Video projector lens system
07/16/1985US4529286 Attachment lens system for single-lens reflex cameras
07/09/1985US4527868 Large-aperture ratio telephoto lens system
07/09/1985US4527858 Uniform speed scanning lens having a high resolving power
07/03/1985EP0146670A2 Apparatus for projecting a series of images onto dies of a semiconductor wafer
07/03/1985EP0032499B1 Optical illumination and distortion compensator
07/02/1985US4526443 Telecentric illumination system
07/02/1985US4526442 For a cathode ray tube display
06/1985
06/26/1985EP0146178A1 Single lens having one aspherical surface
06/26/1985EP0146177A1 Single collimator lens having one aspherical surface
06/25/1985US4525040 Lens system for optical recording type disks
06/25/1985US4525039 Objective lens
06/25/1985US4525038 Fish eye lens system
06/19/1985EP0144950A2 Objective with quadratic surfaces for imaging microzones
06/18/1985US4523817 Lens system for optically recorded disks
06/18/1985US4523816 Catadioptric lens
06/18/1985US4523813 Zoom lens system
06/18/1985US4523801 Scanning optical system subjected to a moisture proof treatment
06/04/1985US4521086 Objective for an IC mask testing device
06/04/1985US4521084 Photographic lens system
05/1985
05/21/1985US4518229 Telephoto lens system
05/21/1985US4518227 Method of widening the angular field of a photographic objective lens
05/15/1985EP0140923A1 Multifocal objective.
05/15/1985EP0140918A1 Additional divergent optical system
05/14/1985CA1186927A1 Single lens having one spherical and one aspherical refractive surface
04/1985
04/30/1985US4514052 High speed objective lens system with an aspheric surface
04/30/1985US4514049 Zoom lens system for finite conjugate distances
04/24/1985EP0138400A1 Optical scanning apparatus including polygonal scanning mirror assembly
04/24/1985EP0016227B1 Anamorphote wide-angle lens
04/23/1985US4512641 Compound eye projection device
04/23/1985US4512625 Scanner optics with no cross scan field curvature
04/16/1985US4511223 Telecentric variable power illumination system
04/09/1985US4509832 Optical arrangement for producing two anamorphotically compressed images correlated by an interocular base distance
04/03/1985EP0135552A1 Method and apparatus for optical enhancement of graphical data arrays
04/02/1985US4508434 Bright medium-range telephoto lens
04/02/1985US4508433 Telephoto objective
04/02/1985US4508421 Holographic scanning system utilizing a scan linearization lens
03/1985
03/27/1985EP0135216A1 Projection lens system
03/27/1985EP0135215A1 Projection lens system
03/26/1985US4507772 Playback optical system for video discs
03/26/1985US4507551 Optical detection system having a detector lens comprising a rear landscape lens
03/19/1985US4505569 Projection apparatus which compensates for the spectral sensitivity of an image receiving member
03/19/1985US4505554 Illumination transmission system for format adaptation in projections
03/19/1985US4505535 Infrared objective lens systems
03/14/1985WO1985001120A1 Objectives particularly for television cameras
03/14/1985WO1985001119A1 In-line optical anamorphic beam expander/contractor
03/12/1985US4504110 Converging beam linear optical scanner
01/1985
01/29/1985US4496223 Compact afocal attachment for use with photographic objectives
01/22/1985US4494829 Curved field photographic objective
01/22/1985US4494819 Telescope objective system for the infrared range
01/15/1985US4493537 Objective lens system for endoscopes
01/15/1985US4493536 Inverted telephoto type lens system
01/08/1985US4492763 Galcium, selenium, antimony, bromine chalcogenides
01/03/1985WO1985000060A1 Thin plastic corrector lenses for optical systems
12/1984
12/25/1984US4490019 Wide angle copying lens with high aperture efficiency
12/18/1984US4488788 Small-size wide angle lens
12/11/1984US4487485 Retrofocus wide-angle photographic lens system
12/04/1984US4486069 Afocal telescopes
11/1984
11/27/1984US4484803 Objective lens for regenerating a video disc
11/27/1984US4484802 Optical read-out lens system for optically recorded disks
11/27/1984US4484801 Panoramic lens
11/27/1984US4484799 Wide angle zoom lens
11/20/1984US4483613 Range detecting device
11/20/1984US4483597 Large aperture ratio telephoto lens system
11/14/1984EP0124682A1 Coaxial wideband refractive optical system
11/14/1984EP0124553A1 Improvement to optical devices for the printing of blanks intended to be stamped.
11/08/1984WO1984004399A1 Additional divergent optical system
11/06/1984US4480896 Optical filter suitable for portrait photography
10/1984
10/30/1984US4479695 Afocal refractor telescopes
10/16/1984US4477155 Photographic lens of the partial focusing type
10/16/1984US4477154 Photographic objective
10/16/1984US4477153 Ultrawide angle zoom objective
10/11/1984WO1984003952A1 Multifocal objective
10/02/1984US4474462 Variable magnification type optical copier in which the copying size can be increased or decreased
10/02/1984US4474448 Focus detection device
10/02/1984US4474436 Finite distance zoom lens system
09/1984
09/18/1984US4472034 Optical read-out lens system for optically recorded disks
09/18/1984CA1174492A1 Optical playback apparatus, focusing elements, and focusing system for producing a prescribed energy distribution along an axial focal zone
09/13/1984WO1984003567A1 Method and apparatus for optical enhancement of graphical data arrays
09/04/1984US4469413 Aspherical lens for indirect ophthalmoscope
09/04/1984US4469412 Wide angle zoom lens
09/04/1984US4469411 Quadrant conical-lens microscope
09/04/1984US4469396 Afocal dual magnification refractor telescopes
08/1984
08/28/1984US4468100 Wide-angle photographic lens
08/28/1984US4468099 Telephoto objective
08/21/1984US4467190 Night-vision equipment
08/21/1984US4466710 Large relative aperture objective lens
08/14/1984US4465345 Small-size telescopic lens
08/14/1984US4465342 Zoom lens
08/07/1984US4464024 Optical system for microfilm
07/1984
07/24/1984US4461546 Fused silica and calcium fluoride lenses
07/10/1984US4458991 Photographic objective of reduced size
07/03/1984US4457595 Large relative aperture telephoto lens system
07/03/1984US4457593 Photographic lens system