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)
06/1980
06/10/1980US4206970 Chromatically corrected virtual image visual display
06/10/1980US4206965 System for synthesizing strip-multiplexed holograms
06/10/1980CA1079105A1 Two component microscope condenser
05/1980
05/27/1980US4204748 Focal relay lens system for an inverted microscope
05/27/1980US4204747 Method of focussing in a photographic lens system
05/20/1980US4203653 Inverted telephoto type wide angle lens system
05/20/1980US4203652 Beam shaping optical system
05/06/1980US4201440 Lens system for micro film
04/1980
04/29/1980US4200352 Lens system for micro film
04/22/1980US4199217 Infra-red optical systems
04/15/1980US4198128 Wide angle zoom lens system
04/15/1980US4198127 Wide angle zoom lens system having small distortion
04/08/1980US4196968 Wide angle zoom lens system
04/01/1980US4195912 Zoom lens system
03/1980
03/18/1980CA1073717A1 Three-lens system providing a variable focal power along one principal meridian
03/18/1980CA1073714A1 Illumination system for vertical fluorescent microscopy
03/04/1980US4191462 Fixed focus exposure control apparatus with reverse spherical aberration corrective characteristic
02/1980
02/26/1980US4190324 Achromatic objective lens
02/26/1980US4190323 Wide angle zoom lens with high zoom ratio
02/19/1980US4189214 Fourier transform lens system
02/19/1980US4189211 Wide angle telecentric projection lens assembly
02/12/1980US4188092 Retrofocus type wide-angle objective lens
01/1980
01/29/1980US4185893 Zoom lenses
01/29/1980CA1070833A1 Astigmatizer for laser recording and reproducing system
01/23/1980EP0007039A1 Holographic head-up display system
01/22/1980US4184749 Wide angle narrow bandpass optical filter system
01/15/1980US4183626 Lenses
01/15/1980US4183625 Wide-angle photographic objective
01/08/1980US4182565 Light-ray deviator for camera objective
01/08/1980US4182549 Compact wide angle lens
12/1979
12/18/1979US4179183 Device for scanning a light beam at a constant speed
12/18/1979CA1068147A1 Optical projection system for copying apparatus
12/13/1979WO1979001091A1 Optical device for wide-scope
12/11/1979US4178075 Lenses with distortion
12/11/1979US4178074 Head-up displays
12/11/1979CA1067736A1 Microscope condenser
12/04/1979US4176915 Wide angle lens
12/04/1979US4176914 Compact retrofocus wide angle objective
12/04/1979US4176913 Telephoto lens with large relative aperture
11/1979
11/27/1979US4175844 Optical imaging system
11/20/1979US4174886 Inverted telephoto lens system
11/13/1979US4174153 Varifocal objective with focal length adjustment
11/06/1979US4173411 Exposure system for copying machines
11/06/1979US4173396 Copying lens
11/06/1979US4173395 Wide angle retrofocus lens system
10/1979
10/23/1979US4171872 Compact four element afocal lens
10/09/1979US4170403 Retro focus type wide angle lens
10/09/1979US4170402 Very compact wide-angle zoom lens system
09/1979
09/05/1979EP0003918A1 Image focusing system and reprographic camera including such a system
08/1979
08/28/1979US4165917 Objective for endoscopes
08/14/1979CA1060581A1 Self-compensating focus system for optical video playback device
08/07/1979US4163604 Projection lens
08/07/1979US4163603 Wide-angle photograhic objective
07/1979
07/17/1979US4161350 Telescopic photographing lens system
07/11/1979EP0002736A1 Exposure arrangement for copying apparatuses
06/1979
06/26/1979US4159166 Beam splitting lens assembly
06/19/1979US4158482 Inverted telephoto type super-wide angle lens
06/05/1979US4157212 Large aperture miniature wide-angle zoom lens system
05/1979
05/22/1979US4155626 Spectacles with a wide angle of vision and method
05/15/1979US4154511 Compact optical lens barrel mechanism
05/15/1979US4154509 Miniaturized semi-wide-angle photographic lens
05/08/1979US4153338 Wide-angle zoom lens system
05/01/1979US4152050 Shift lens system
04/1979
04/24/1979US4150872 Miniature and large aperture wide-angle photographing lens
04/17/1979US4149774 Zoom lens system
04/10/1979US4148548 Temperature compensating focusing in infrared zoom lenses
04/03/1979US4147410 Two group wide angle zoom lens system
03/1979
03/20/1979US4145117 Retrofocus type wide angle lens system
03/20/1979US4145116 Large aperture ultra wide angle photographic lens system
03/13/1979US4143945 Small retro-focus wide angle photographic lens system
03/13/1979US4143944 Large aperture wide-angle photographic lens
03/13/1979CA1050314A1 Projection lens system
03/06/1979US4142779 Zoom lens system
02/1979
02/27/1979US4141649 Optical projection system for copying apparatus
02/13/1979US4139267 Lens having high resolving power
02/13/1979US4139266 Medium magnification objective for video disks
02/13/1979US4139265 Modified gauss type photographic lens
02/13/1979US4139264 Miniaturized telephoto camera lens assembly
01/1979
01/30/1979US4136931 High speed wide angle lens system
01/16/1979US4134645 Miniaturized telephoto camera lens
12/1978
12/19/1978US4130349 Retrofocus type wide angle lens system
12/05/1978USRE29856 Projection lens for mask pattern printing
12/05/1978US4128304 Abbe condenser
11/1978
11/21/1978US4126378 Telephoto lens system having an improved focusing capability
11/07/1978US4124276 Soft focus lens system
10/1978
10/31/1978US4123135 Optical system for rotating mirror line scanning apparatus
10/31/1978CA1041336A1 Zoom lens
10/24/1978US4121883 Scanning device for radiation beams
09/1978
09/26/1978US4116536 Wide angle lens
09/26/1978CA1039093A1 Variable magnification projection system
09/19/1978US4114992 Variant Ernostar type long focus lens system
09/12/1978US4113358 Retrofocus type wide-angle photographic lens system
09/12/1978US4113357 Telephoto lens system
09/05/1978US4111558 Retrofocus type wide angle objective lens
08/1978
08/29/1978US4110005 Wide-angle attachment for varifocal objective
08/29/1978US4109995 Triplet with aspheric surfaces
08/22/1978US4108532 Light beam scanning device
08/15/1978US4106845 Infra-red scanner
08/15/1978CA1036711A1 Optical scanner
08/08/1978US4105308 Aspheric plastic triplet
1 ... 195 196 197 198 199 200 201 202 203 204 205 206 207