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)
08/1978
08/01/1978US4103990 Catadioptric wide-angle lens system for reproduction
07/1978
07/18/1978US4101204 Medium magnification objective for video disks
07/18/1978US4101196 Objective optical system for endoscopes
07/11/1978US4099850 Wide angle photographic lens
07/11/1978US4099849 Wide angle objective
07/11/1978US4099847 Zoom lens system capable of close-up photography
06/1978
06/20/1978US4095873 Miniature and large aperture retrofocus wide-angle photographic lens
05/1978
05/23/1978US4090775 Moveable optical probe for viewing a scale model with image tilting
05/16/1978US4089591 Extremely high speed objective
05/02/1978US4087689 Boresighting system for infrared optical receiver and transmitter
04/1978
04/25/1978US4086000 Viewfinder optics with zero power doublet
04/18/1978US4084881 Light beam scanning device
04/11/1978US4083628 Copying objective lens system
03/1978
03/28/1978US4081210 Composite four-element lens system, particularly for use with laser beams
03/28/1978US4081207 Scanning lens system
03/21/1978US4080048 Ultra-high resolution reducing lens system
03/14/1978US4078857 Optical system
03/07/1978US4077704 Reproducing objective for video disks
02/1978
02/28/1978US4076390 Objective for optical system
02/14/1978US4073575 Objective for video disks
02/14/1978US4073574 Optical projector
01/1978
01/24/1978US4070098 Fisheye projection lens system for 35mm motion pictures
01/17/1978US4068929 High speed focusing telephoto lens
12/1977
12/27/1977US4065205 Short focal length optical system with large aperture
12/20/1977US4063802 Telephotographic lens system having short total length
12/20/1977US4063801 Telephoto type objective
12/13/1977US4062630 Telephoto lens system
12/13/1977US4062625 Reflex copier lens
12/13/1977US4062622 Small size retrofocus wide angle photographic lens
12/06/1977US4061421 Retrofocus type lens system having ultra-wide angle of view
12/06/1977US4061419 Variable magnification lens system
11/1977
11/29/1977US4060312 Copier lens of reflex design
11/22/1977US4059344 Retrofocus-type objective for endoscopes
11/22/1977US4059343 Prismatic anamorphic system for optical correlators
11/08/1977US4057330 Lens system having large relative aperture and long focus
11/08/1977US4057328 Enlarging lens system
11/08/1977US4057316 Reflection reducing multilayer system on a highly refractive infrared transmitting substrate
11/01/1977US4056308 Variable focal length reflector lens system
11/01/1977US4056307 Anamorphic scanner lens system
10/1977
10/18/1977US4054370 Full-focus eyepiece
09/1977
09/27/1977US4050789 Tracking lens system for solar collectors and skylights
09/27/1977US4050779 Ultra-violet micrographic objective
09/27/1977US4050778 Ultra-violet micrographic objective
09/06/1977US4046460 Objective for video disks
09/06/1977US4046459 Retrofocus wide angle objective lens system
08/1977
08/30/1977US4045128 Telephoto objective
08/30/1977US4045127 Enlarging lens system
08/30/1977US4045116 Wide angle optical imaging system
08/23/1977US4043641 Three-lens system providing a variable focal power along one principal meridian
08/16/1977US4042295 Retrofocus-type objective for endoscopes
07/1977
07/26/1977US4037938 Retrofocus-type objective for endoscopes
07/26/1977US4037937 Variable magnification lens system using symmetric lens of variable focal length
07/26/1977US4037935 High-speed adjustable focus telephoto objective lens
07/12/1977US4035063 Compact wide-angle photographic lens system with a short overall length
07/05/1977US4033675 Wide angle lens
06/1977
06/21/1977US4030805 Infra-red lenses
06/14/1977US4029398 Objective for video disks
06/14/1977US4029397 Retrofocus-type wide-angle photographic lens system
06/14/1977US4029396 Lens system for modifying spherical aberration
06/07/1977US4027952 Single optical lens with large aperture and large field
06/07/1977US4027944 Illuminated system for vertical fluorescent microscopy
05/1977
05/24/1977US4025170 Retro-focus type wide angle objective lens
05/24/1977US4025169 High speed wide angle objective lens system
05/24/1977US4025168 Wide angle photographic lens
05/24/1977US4025155 Image-transmitting optical system
04/1977
04/26/1977US4019810 Photographic wide angle lens
04/19/1977US4018512 Retrofocus type lens
04/19/1977US4018511 Photographic wide angle lens
04/12/1977US4017160 Continuously variable anamorphic lens
04/12/1977US4017148 Tri-power periscope head assembly
04/05/1977US4015897 Four element lens system
03/1977
03/22/1977US4013350 Large aperture superwide-angle lens
03/22/1977US4013349 Wide-angle objective
03/22/1977US4013348 Optical system for reproduction
03/22/1977US4013347 Movable filter optical system for providing improved optical transmission characteristics
03/22/1977US4013346 Enlarging lens system
03/15/1977US4012126 Optical system for 360° annular image transfer
03/01/1977US4009944 Miniature and large aperture retrofocus wide-angle lens
03/01/1977US4009943 Fish eye lens system
03/01/1977US4009928 Three element varifocal lens systems
02/1977
02/22/1977US4008952 Retrofocus-type lens system
01/1977
01/11/1977US4002407 Objective
01/11/1977US4002406 Microscope condenser
12/1976
12/28/1976US3999840 Wide angle objective having a non-spherical surface
12/21/1976US3998529 Microfilm recorder lens
12/21/1976US3998528 7MM Ultrafiche lens
12/21/1976US3998527 Wide-angle photographic lens system with a short overall length
12/14/1976US3997248 Large aperture telephoto lens system
12/14/1976US3997247 Unsymmetrical wide angle lens
11/1976
11/30/1976US3994576 Objective lens system with five elements
11/30/1976US3994575 Wide angle objective lens
11/30/1976US3994572 Varifocal lens system with macro-photography capabilities
11/16/1976US3992086 Compact retrofocus-type wide-angle photographic lens system
11/16/1976US3992085 Large aperture wide angle lens system employing an aspherical surface
11/16/1976US3992078 Lens structure
11/09/1976US3990785 Anamorphic zoom lens
11/02/1976US3989349 Reflex finder
11/02/1976US3989317 Objective lens system
10/1976
10/05/1976US3984178 Discontinuous wide-angle optic
10/05/1976US3984155 Compact lens system having a long back focal length and a large relative aperture
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