Patents
Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835)
04/1991
04/09/1991US5005969 Optical projection apparatus with the function of controlling laser coherency
04/09/1991US5005968 Contrast decreasing apparatus in image forming optical system
04/09/1991US5005929 Apparatus including a laser scanner
04/09/1991US5005928 Optical scanning system
04/07/1991CA2020310A1 Optical attenuator
04/04/1991WO1991004508A2 Helmet mounted display
04/03/1991EP0420708A1 Driver's information display system at the interior of a car
04/03/1991EP0420383A2 Astigmatism generating device
04/03/1991EP0420228A2 A ghost-free automotive head-up display employing a wedged windshield
04/03/1991EP0420196A2 Display apparatus
04/03/1991EP0420195A2 Head-up display device
04/03/1991EP0375698A4 Ophthalmic image stabilization system
04/03/1991CN2074464U Stereopicture displayer for 3-d picture-pairs
04/03/1991CN2074463U Objective unit for multi-picture projection of film processor
04/02/1991US5005213 Head mounted video display and remote camera system
04/02/1991US5005010 Head-up display for motor vehicles
04/02/1991US5005009 Method and apparatus for multiple object viewing
04/02/1991US5004900 Focusing error detecting apparatus with light switching and detector sampling
04/02/1991US5004331 Catadioptric projector, catadioptric projection system and process
04/02/1991US5004311 Beam scanning method and apparatus
04/02/1991US5004310 Wide angle line scanner
04/02/1991US5003698 Apparatus for viewing a representation of the celestial vault
04/02/1991CA1282484C Scanning optical system
03/1991
03/27/1991EP0419257A2 Optical head apparatus incorporating a polarizing element
03/27/1991EP0419199A2 Heads-up display
03/27/1991EP0419069A2 System for selective laser assisted plating
03/27/1991EP0418930A2 Recording medium and reproducing method therefor
03/27/1991EP0418583A2 Real time three dimensional display
03/26/1991US5003625 Optical heterodyne detection and integrated optical component suitable for use in such a device
03/26/1991US5003570 Powder diffraction method and apparatus
03/26/1991US5003300 Head mounted display for miniature video display system
03/26/1991US5003179 Full color upconversion display
03/26/1991US5002386 Device for directing a laser beam by means of mirror reflection in a slit lamp apparatus
03/26/1991US5002380 Phase corrector for large optical systems
03/26/1991US5002375 Variable pel density print head for electrophotographic printers
03/26/1991US5002365 Beam splitter for color imaging apparatus
03/26/1991US5002364 Stereoscopic process and apparatus using different deviations of different colors
03/26/1991US5002363 Stereoscopic sheet with two marks for accommodation of focus and angle of convergence
03/21/1991WO1991003747A1 Diffraction grating and method of manufacture
03/21/1991WO1990016004A3 Optical device, of the lowered head type, providing information to the driver of a motor vehicle
03/20/1991EP0417709A2 Spectrum measuring equipment
03/20/1991CA2023438A1 Real time three dimensional display
03/19/1991US5001558 Night vision system with color video camera
03/19/1991US5000554 Method and apparatus for use in microscope investigations with a carrier having exactly one x-y coordinate system reference mark
03/19/1991US5000549 Zoom lens for stabilizing the image
03/19/1991US5000546 Optical device with optical polarizer/analyzer formed of yttrium vanadate
03/19/1991US5000544 Helmet system with optical display projection system including a cylindrical refractive surface
03/19/1991US5000543 3-D viewers made from sheet materials
03/14/1991CA2009693A1 Primary collimator for x-ray apparatus
03/13/1991EP0416727A2 Method and apparatus for providing stereoscopic images
03/13/1991EP0416651A2 Apochromatic lens system
03/13/1991EP0416222A2 Display for vehicles
03/13/1991CN2073120U 万花筒 Kaleidoscope
03/13/1991CN2073119U Optical system for contact endoscope
03/12/1991US4999648 Non-contact optical print head for image writing apparatus
03/12/1991US4999012 Display apparatus for a vehicle
03/12/1991US4999011 Display apparatus for a vehicle
03/12/1991US4999006 Coherent optical apparatus
03/12/1991US4998811 Telescopic rifle sight with automatic setting of the elevation by an electromotor
03/12/1991US4998809 Image-stabilizing optical device
03/12/1991US4998801 Optical low-pass filter and photographic system using the same
03/12/1991US4998800 Optical low pass filter
03/12/1991US4998799 Stereoscope
03/12/1991US4998789 Kaleidoscopes for viewing objects and method of reproducing viewed kaleidoscopic images
03/12/1991US4998786 Method of producing holograms particularly for holographic helmet displays
03/12/1991US4998784 Automotive windshield for a head up display system
03/07/1991WO1991002997A1 Inertial stabilizing system
03/07/1991WO1991002996A1 Improved wide angle line scanner
03/06/1991EP0415444A2 Optical isolator
03/06/1991EP0415275A2 Louvered reflective head-up display for automobiles
03/06/1991EP0415230A2 Method for making edge faded holograms
03/06/1991EP0415164A1 Additive color mixing system with variable hue and saturation light sources
03/06/1991EP0414680A1 Light collector for stimulable phosphor imaging apparatus.
03/06/1991EP0276303B1 Process and device for photographing microscopic objects
03/06/1991CN2072690U 动态光栅衍射仪 Dynamic diffraction grating
03/05/1991US4998260 Method for correcting the path of a gas laser beam
03/05/1991US4997736 Boron, phosphorus dopes
03/05/1991US4997263 Ambient light illuminated liquid crystal display system
03/05/1991US4997261 Optical beam splitter
03/05/1991US4997250 Fiber output coupler with beam shaping optics for laser materials processing system
03/05/1991US4996786 X-ray viewer with automatic compensation for changes in light intensity
03/05/1991US4996785 Hanger for flat film media
03/05/1991CA1280921C Optical wavelength compounding/dividing device
02/1991
02/27/1991CN1049561A Optical fibre apparatus for measuring current intensity
02/26/1991US4995718 Full color three-dimensional projection display
02/26/1991US4995709 Optical collimator
02/26/1991US4995708 Photographic lens free from forming of ghost image
02/26/1991US4995696 Optical amplifier module
02/26/1991CA1280818C Single-photodiode optical heterodyne mixers
02/26/1991CA1280630C Stereoscopic optical viewing system
02/22/1991WO1991002992A1 Methods of and apparatus for manipulating electromagnetic phenomenon
02/22/1991CA2065368A1 Methods of and apparatus for manipulating electromagnetic phenomenon
02/21/1991WO1991002278A1 Stereo viewer
02/21/1991DE3926092A1 Appts. for viewing photographs - uses magnets and steel strips to hold photographs in position
02/20/1991EP0413566A1 Optical isolators employing wavelength tuning
02/19/1991US4994794 In a vehicle
02/19/1991US4993821 Self-supported, adjustable, condensation-free shower mirror
02/19/1991US4993812 Semiconductor laser optical system
02/19/1991US4993792 Scanning optical system in which a ghost image is eliminated
02/19/1991US4993789 Dual wavelength polarization selective holographic optical element