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)
06/1990
06/05/1990USRE33227 Gradient index type single lens
06/05/1990US4930864 Domed segmented lens systems
06/05/1990US4930850 Scanning optical system for use in laser beam printer
05/1990
05/29/1990US4929071 Long-focus color-corrected petzval-type optical objective
05/29/1990US4929067 Method and apparatus for anamorphically shaping and deflecting electromagnetic beams
05/29/1990US4929066 Telecentric image-forming optical system for large image size
05/22/1990US4927247 Objective lens for optical disk system and optical head using the same
05/16/1990EP0368261A2 Unit magnification optical system
05/15/1990US4926201 Finder optical system
05/15/1990US4925283 Objective lens for optical memory device
05/15/1990US4925279 Telecentric f-θ lens system
05/09/1990EP0367197A2 Dual band/dual FOV infrared telescope
05/08/1990US4924244 Lens system for projection type television
05/08/1990US4923292 Macro lens system
05/02/1990EP0366039A2 Optical beam scanning system
05/01/1990US4921318 Lens systems
04/1990
04/25/1990EP0365208A2 Wide band color correcting infrared lens system
04/25/1990EP0364951A2 Continuous zoom all-reflective optical system
04/25/1990EP0364464A1 Composite process video and motion picture photography system and method
04/24/1990US4919524 Variable focus lens for image reproduction
04/18/1990EP0363666A2 Optical-scanning apparatus
04/17/1990US4918301 Position sensor having double focuses and utilizing a chromatic aberration
04/17/1990US4917483 F.theta lens system with variable focal length
04/12/1990DE3833946A1 Optical imaging system
04/10/1990US4915483 Apochromatic lens triplets with aspherical lens elements
04/03/1990US4913540 Telecentric projection lens system
03/1990
03/28/1990EP0360233A2 Telecentric f-theta lens system
03/27/1990US4911528 Anamorphotic optical system and combined anamorphotic/deanamorphotic arrangement
03/27/1990CA1267014A1 Single bi-aspherical lens
03/27/1990CA1266967A1 Contact-free measuring apparatus having an f-h- corrected objective and method for using the same
03/20/1990US4909616 Optical system for recording and reproducing an optical information medium
03/20/1990US4909613 Zoom lens
03/13/1990US4908705 Steerable wide-angle imaging system
03/13/1990US4908639 Optical system having a variable out-of-focus state
03/13/1990US4907867 Varifocal optical system and associated electro-mechanical control
03/13/1990US4907865 Variable magnification duplicator lens system
03/06/1990US4906080 for use in a semiconductor device
03/06/1990US4906078 Variable magnification viewfinder
03/06/1990US4906077 Zoom lens system for use in a compact camera
03/06/1990US4906061 Collimated light beam scanning method including curvature of field correction
02/1990
02/27/1990US4904070 Telephoto lens system
02/27/1990US4904062 Collimating lens for use in optical memories
02/27/1990US4904034 Scanning apparatus
02/20/1990US4903066 Optical system for focus state detection
02/20/1990US4902115 Optical system for endoscopes
02/20/1990US4902114 Objective lens for an optical disk
02/20/1990US4902113 Objective lens and imaging optical system for optical information recording and readout device
02/20/1990US4902098 Device for correcting the total distortion caused by the shape of a transparent wall
02/13/1990US4900914 Wide-angle viewing window with a plurality of optical structures
02/13/1990US4900139 Color corrected projection lens
02/13/1990US4900138 Composite gradient index and curved surface anamorphic lens and applications
02/07/1990EP0354148A2 Apparatus for projecting a series of images onto dies of a semiconductor wafer
02/07/1990EP0353649A2 Telephoto lens system
02/06/1990US4898457 Optical system of television camera
01/1990
01/30/1990US4896953 Anamorphic wide angle safety lens
01/09/1990US4892398 Triplet type objective with a diaphragm arranged behind the lens system
01/09/1990US4892395 Collimating optical system using a spherical lens
12/1989
12/26/1989US4890137 Image projection device for use in slit exposure optical system
12/26/1989US4889417 Projection lens for television projector
12/20/1989CN1038172A Wide vision field portable binoculars
12/13/1989CN1006092B Compact projection lens
12/06/1989EP0344881A2 Personal head mounted display
12/05/1989US4884879 Lens system for projection television receivers
11/1989
11/28/1989US4883345 Projection optical apparatus
11/21/1989US4882483 Optical scanning apparatus with optical correction for scan mirror surface tilt
11/16/1989WO1989011112A1 Endoscope relay optics
11/15/1989EP0341868A2 Objective lens for optical disk system and optical head using the same
11/14/1989US4880299 Telecentric fθ lens system for laser COM
11/08/1989EP0340647A2 Apochromat optical system
11/07/1989US4878745 Optical system for effecting increased irradiance in peripheral area of object
11/07/1989US4878744 Three dimensional reflex lens systems
11/07/1989US4878720 Device for deflecting a bundle of light rays
10/1989
10/31/1989US4877315 Optical device
10/31/1989US4877314 Objective lens system for endoscopes
10/24/1989US4875763 Video projector lens system
10/17/1989US4874230 Zoom lens with a variable power lens element
10/17/1989CA1262310A1 Indirect ophthalmoscopy lens for use with slit lamp biomicroscope
10/10/1989US4872748 Projection-lens system
10/10/1989US4872747 Use of prisms to obtain anamorphic magnification
10/04/1989EP0335559A2 A telecentric imaging system
10/03/1989US4871242 Soft-focus optical element
10/03/1989US4871219 Wide spectral band infrared refractive lens
09/1989
09/26/1989CA1261407A1 Fiber optic beam delivery system for high-power laser
09/26/1989CA1261180A1 Projection lens system
09/20/1989EP0332693A1 Automotive instrument virtual image display
09/19/1989US4867555 Retrofocus lens for overhead projector
09/19/1989US4867549 Re-imaging optical system
09/19/1989US4867546 Objective lens system for an endoscope
09/19/1989US4867545 Telecentric image-forming system having varible magnifications
09/19/1989US4867544 Optical glass elements having a graded refraction index for ir light and method for their production
09/19/1989US4867514 Systems for deviating and (optionally) converging radiation
09/13/1989EP0332201A2 Optical projection system
09/12/1989US4866459 Image scanner with a non-spherical fθ lens system
09/12/1989US4865435 Optical system for rangefinding devices
09/05/1989US4864137 Optical sensing system
09/05/1989US4863251 Double gauss lens for a raster input scanner
09/05/1989US4863250 F.θ lens system
09/05/1989US4863249 Catadioptric objective system for imaging a diode line
09/05/1989US4863248 Single collimator lens
08/1989
08/29/1989US4861983 Optical system for flying-spot scanning system
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