Patents
Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835)
10/1989
10/03/1989US4871247 Cornea-borne image and light display device
10/03/1989US4871242 Soft-focus optical element
10/03/1989US4871233 Thin plate prism and stereoscopic system
10/03/1989US4871231 Three dimensional color display and system
09/1989
09/27/1989EP0333932A1 An apparatus for providing an indication of a range to a target
09/27/1989EP0333929A2 Photoelectric position measuring device
09/27/1989CN2045119U Electronic flashing audio kaleidoscope
09/26/1989US4870486 Virtual stereographic display system
09/26/1989US4870268 Color combiner and separator and implementations
09/26/1989US4869574 Hybrid optical correlator
09/26/1989CA1261653A1 Steerable windowed enclosures
09/26/1989CA1260902A1 Infrared floodlight assembly
09/26/1989CA1260298A1 Apparatus for projecting a laser beam in a linear pattern
09/26/1989CA1259835A1 Optical systems with antireciprocal polarization rotators
09/21/1989DE3839928A1 Binocular tube (body) for measuring microscopes
09/20/1989EP0333597A2 Variable compensator of spherical aberrations of different orders for the verification of the surface-shape of a non-speric mirror and its application
09/20/1989EP0332959A2 Stereoscopic display system
09/20/1989EP0332693A1 Automotive instrument virtual image display
09/20/1989CN2044735U Improved stereoscopic image observer
09/20/1989CN1005217B Optical detector for displacement measuring
09/19/1989US4868588 Rotatable snorkel camera system
09/19/1989US4867548 Linkage articulated pointing mirror
09/19/1989US4867534 Multiple aperture laser system
09/13/1989EP0331691A1 A method of and an apparatus for cooling an optical fibre
09/12/1989US4866229 Apparatus for transmitting optical information through a viewer's headset
09/12/1989US4865455 Optical device having a variable geometry filter usable for aligning a mask or reticle with a wafer
09/12/1989US4865431 Zoom lens system for use in an image projecting apparatus with Kohler illumination
09/12/1989US4865420 Wood for video screen
09/12/1989CA1259241A1 Container for a pile of pictures
09/08/1989WO1989008304A1 A sign readable at speed
09/08/1989WO1989008020A1 Light collector for stimulable phosphor imaging apparatus
09/08/1989WO1989007920A1 Slit lamp appliance for laser treatment of the eye
09/08/1989WO1989007906A1 Process for detecting a psychedelic state
09/07/1989DE3806941A1 Spaltlampengeraet zur laserbehandlung des auges Spaltlampengeraet for laser treatment of the eye
09/06/1989EP0331575A1 Device for dividing laser beams used in a process for separating isotopes by means of lasers
09/06/1989EP0331326A1 Projection display apparatus
09/06/1989CN2044076U Light-proof eye protector used for watching t.v. and screen of computer
09/05/1989US4864339 Apparatus for stabilizing an image focused by a photographic lens onto a photosensitive surface
09/05/1989US4863269 Weapon sights
09/05/1989US4863248 Single collimator lens
09/05/1989US4863227 Light scanning device
09/05/1989US4863226 Confocal laser scanning microscope
08/1989
08/30/1989EP0330184A2 Helmet Mounted Display System
08/30/1989EP0330147A2 Aircraft helmet pointing angle display symbology
08/30/1989CN2043764U Stereo camera
08/29/1989US4861984 Surface inspection or ranging apparatus with image derotation
08/29/1989US4861983 Optical system for flying-spot scanning system
08/29/1989US4861976 Optical or opto-electronic device having a trapping layer in contact with a semiconductive layer
08/29/1989US4861975 Variable focus optical system and method using electro-optic material
08/29/1989US4861144 Field correction apparatus
08/29/1989US4861140 Method of making a thin lens
08/29/1989CA1258789A1 Light diverting device
08/24/1989WO1989007803A1 Apparatus for sensing the presence of a record member
08/24/1989WO1989007784A1 A reprographic lens system and a reprographic camera comprising such a system
08/24/1989WO1989007781A1 Coherent beam combining of lasers using microlenses and diffractive coupling
08/24/1989DE3804629A1 Arrangement consisting of light table, copy holder and incident-light device, in particular as a workplace for the graphic trade
08/23/1989EP0329110A2 Multiple object viewing system
08/23/1989EP0328930A2 Zoom lens
08/23/1989EP0328915A2 A tilt and scan bow error correction system for an electrophotographic printer
08/23/1989CN2043368U 光学万花筒 Optical Kaleidoscope
08/22/1989US4860061 Multiface image composer
08/22/1989US4859994 Closed-captioned movie subtitle system
08/22/1989US4859058 Improved adjustment means for sighting instrument
08/22/1989US4859040 Optical system having gradient-index lens and method for correcting aberrations
08/22/1989US4859031 Optical collimating apparatus
08/22/1989US4859030 Helmet mounted display with improved brightness
08/22/1989US4859029 Variable ratio beam splitter and beam launcher
08/22/1989US4859013 Magneto-optical waveguide device with artificial optical anisotropy
08/22/1989US4859011 Light scanning device
08/22/1989US4858356 Slide sorter and viewer
08/16/1989EP0328156A1 Digital information transmission system and method
08/16/1989EP0327654A1 Optical filter for incoherent imaging systems
08/16/1989EP0189457B1 Apparatus which shapes gaussian beams by spherical mirrors
08/16/1989CN2042971U Tv. glasses capable for produce stereoscopic effect
08/15/1989US4856884 Dynamically matched optical filtering in a multiple telescope imaging system
08/15/1989US4856883 Method of and device for seeing objects including jump-like movements of an output image about a stationary main optical axis
08/15/1989US4856880 Photo-taking lens for an underwater camera
08/15/1989US4856879 Aiming device
08/15/1989US4856863 Optical fiber interconnection network including spatial light modulator
08/15/1989US4856215 Slide sorters
08/10/1989WO1989007280A1 Integrally-pressed collimator
08/09/1989EP0327425A1 Method for optical scanning microscopy in confocal arrangement with large depth of field and apparatus to perform this method
08/09/1989EP0326574A1 Head-mounted data display.
08/09/1989CN1034621A Single-unit stereoscopic film camera
08/09/1989CN1034620A Portable graphic reproduction bench or unit
08/08/1989US4854708 Optical examination apparatus particularly useful as a Fizeau interferometer and schlieren device
08/08/1989US4854688 Optical arrangement
08/08/1989US4854669 Optical image processor with highly selectable modulation transfer function
08/08/1989US4854657 Kaleidoscope with restrictive aperture for visual enhancement
08/03/1989DE3902456A1 Composite structure of optical materials
08/02/1989EP0326349A2 Patterned plastic optical components
08/02/1989EP0326323A2 Multiple image-forming apparatus
08/02/1989CN2042207U Multifunctional stereoscopic photographic mirror
08/01/1989US4852983 Distance simulator
08/01/1989US4852981 Imaging lens system comprising a distributed index lens and a plano-convex lens
08/01/1989US4852973 Diffraction free arrangement
08/01/1989US4852957 Optical system for flying spot scanning apparatus
08/01/1989US4852508 Underwater window for vessels
07/1989
07/27/1989WO1989006819A1 Optical thresholding apparatus and method
07/27/1989WO1989006818A1 Optical imaging system