Patents
Sitemap › G02 - Optics › G02B - Optical elements, systems, or apparatus › G02B 13 - Optical objectives specially designed for the purposes specified below
Patents for G02B 13 - Optical objectives specially designed for the purposes specified below (20,651)
11/1986
11/04/1986US4620773 Projection lens for projection television
10/1986
10/14/1986US4616908 For projecting a reduced image of a reticle
10/07/1986US4615589 Projection lens system for projection television apparatus
09/1986
09/24/1986EP0195747A2 Wide angle lens with a large aperture for the infrared wavelength
09/23/1986US4613212 Objective lens for optical disk
09/09/1986US4610515 Objective lens for an optical disc
09/09/1986US4610514 Telephoto lens system
09/03/1986EP0193232A1 Projection-lens system
09/03/1986EP0193231A1 Projection-lens system
09/02/1986US4609978 Lighting apparatus with illuminance equalizing lens
09/02/1986US4609263 Telephoto lens system having an improved focusing arrangement
09/02/1986US4609262 Aspherical lens for use in optical equipment
08/1986
08/26/1986US4607918 Zoom lens system
08/19/1986US4606612 Optical phase filter using liquid crystal
08/19/1986US4606607 Photographic lens system with a short overall length
08/05/1986US4603950 Projection lens
07/1986
07/23/1986EP0188016A1 Projection lens system
07/23/1986EP0187849A1 Selective optical detector, particularly for telecommunication devices and optical locators
07/16/1986EP0187664A2 Optical arrangement for forming an elongated laser beam spot on erasable optical disks
07/15/1986US4600276 Optical disc player lens
07/15/1986US4600266 Light beam scanning apparatus with a variable scanning width
07/09/1986CN85109241A 紧凑投影镜头 Compact projection lens
07/08/1986US4598980 Objective optical system for endoscope
07/03/1986WO1986003917A1 Optical system of television camera
07/01/1986US4597641 Variable-power copying lens
06/1986
06/24/1986US4596447 Conversion type varifocal lens system
06/18/1986EP0184879A1 Projection lens system
06/17/1986US4595270 Finder system
06/17/1986US4595264 Lens system for optical recording type disks
06/17/1986US4595263 Projection lens system
06/04/1986EP0182827A1 Device for producing a distorsion free image of an object located in the plane of the image
06/03/1986US4592627 Single collimator lens having one aspherical surface
06/03/1986US4592625 Double-conjugate maintaining optical system
05/1986
05/21/1986EP0181323A1 Objectives particularly for television cameras
05/13/1986US4588265 Telecentric rear converter
05/06/1986US4586814 Variable power projecting device
04/1986
04/30/1986EP0179531A1 Single bi-aspherical lens
04/30/1986EP0179213A1 Laser beam deflecting optical device
04/29/1986US4585314 Projection lens
04/22/1986CA1203621A1 Optical head in a recording and reading device for a data carrier
04/08/1986US4580879 In-line optical anamorphic beam expander/contractor
04/02/1986EP0176265A1 Optical scanning system
04/02/1986EP0176024A2 Lens system for the focalisation of a divergent laser beam
04/01/1986US4579428 Small zoom lens
04/01/1986US4579427 Conical finder microscope
04/01/1986CA1202509A1 Retro-focus type wide angle lens
03/1986
03/25/1986US4577939 Monochromatic beam concentrator
03/25/1986US4577938 Conical beam concentrator
03/25/1986US4577937 Conical beam concentrator
03/25/1986US4577936 Conical beam concentrator
03/25/1986US4577935 Video projector lens system
03/18/1986US4576442 Image projection apparatus
03/11/1986US4575198 Lens system
03/11/1986US4575197 Conical beam concentrator
03/11/1986US4575196 Conical beam concentrator
03/11/1986US4575195 Flat field lenses
03/04/1986US4573770 Telephoto lens system
03/04/1986US4573769 Projection lens system
02/1986
02/25/1986US4572623 Objective lens for optical disc
02/25/1986US4572620 Zoom lens system
02/19/1986EP0171903A1 Improvements in or relating to infra-red lenses
02/19/1986EP0171888A2 Anamorphic prism for beam shaping
02/18/1986US4571035 For use in an optical scanner
02/18/1986US4571034 Lens system for optical recording type disks
02/18/1986US4571031 Wide angle zoom objective
02/13/1986WO1986001005A1 Selective optical detector, particularly for telecommunication devices and optical locators
01/1986
01/28/1986US4566764 Wide-angle lens
01/28/1986US4566763 Panoramic imaging block for three-dimensional space
01/28/1986US4566762 Dual focus optical system
01/14/1986US4564269 Projection lens
01/14/1986US4564268 Optical system for semiconductor laser
01/03/1986WO1986000009A1 Device for producing a distorsion free image of an object located in the plane of the image
01/02/1986EP0165931A1 In-line optical anamorphic beam expander/contractor
12/1985
12/31/1985US4561730 Electrophotographic imaging system with folded optical passageway
12/24/1985US4560865 Objectives particularly for television cameras
12/24/1985US4560253 Zoom lens system
12/24/1985US4560243 Projection lens
12/17/1985US4558928 Focusing method for a telephoto lens system
12/10/1985US4558222 Infrared radiation detecting systems
12/10/1985US4557567 Lens system with plastic lenses compensating for temperature changes
12/10/1985US4557566 Spherical lens for spherically symmetrical graded refractive index distribution provided with rod clad
12/03/1985US4556312 Optical printing devices for printing on blanks which are intended for swaging
12/03/1985US4556296 Objective lens for use with information storage disks
12/03/1985US4556295 Ultracompact telephoto lens
11/1985
11/26/1985US4555164 Anamorphic lens system increasing the field of view for the visually handicapped
11/05/1985US4550987 Small size telephoto lens
10/1985
10/28/1985EP0151584A4 Thin plastic corrector lenses for optical systems.
10/22/1985US4548480 Projection lens apparatus
10/08/1985US4545655 Optical viewing system
10/08/1985US4545654 Bright telephoto lens
10/08/1985US4545652 Flat field lenses
10/02/1985EP0156430A1 Laminated optical component
10/01/1985US4544250 Optical system for camera with a viewfinder
10/01/1985US4544240 Soft focusing lens assembly
09/1985
09/24/1985US4542961 Triplet type objective
09/24/1985US4542954 Wide angle lens for the infrared dedicatory clause
09/17/1985US4542492 Optical head in a recording and reading device for a data carrier
09/10/1985US4540250 Image detecting device
09/10/1985US4540249 Wide angle zoom lens
08/1985
08/27/1985US4537476 Retro-focus type wide angle lens
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