Patents
Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835)
12/1990
12/19/1990CN1047951A Modulation system for projection display
12/18/1990US4979026 Polarized light 360 degree viewing system
12/18/1990US4978843 Photoelectric sensor having a folded light path
12/18/1990US4978214 Display apparatus for automotive vehicle
12/18/1990US4978205 Vibration-isolating optical system
12/18/1990US4978200 Optical image rotators
12/18/1990US4978197 Beam-combining laser beam source device
12/18/1990US4978196 Display apparatus for a vehicle
12/18/1990CA1277831C Laser beam alignment and transport system
12/13/1990WO1990015355A1 Light scanner and system
12/13/1990DE4018004A1 Optics with grating and separator for testing spectacle lenses - has data processor evaluating image by registering phase along beam path
12/13/1990DE3926314C1 Arrangement for adjusting sensor reference mirror - includes theodolite having auto-collimation unit on vertical holding plate and liq. holding plate from auto-collimator to reflect light
12/12/1990EP0402184A1 Observation device for the representation of the celestial vault
12/12/1990EP0401953A2 Laminated beam splitting optical system with reflective medium
12/12/1990EP0401912A2 Modulation system for projection display
12/12/1990EP0401264A1 A reprographic lens system and a reprographic camera comprising such a system
12/12/1990CN2067415U 电子万花筒 Electronic kaleidoscope
12/12/1990CN1010807B Liquid crystal display projection system having improved contrast
12/12/1990CA2016058A1 Anti-aliasing optical system
12/11/1990US4977574 Laser oscillator
12/11/1990US4977560 Near-perfect diffraction grating rhomb
12/11/1990US4977401 Head-up display
12/11/1990US4977352 Plasma generator having rf driven cathode
12/11/1990US4976527 Beam-combining laser beam source device
12/11/1990US4976520 Common path multichannel optical processor
12/11/1990US4976503 Optical element for a vehicle windshield
12/09/1990WO1990015356A1 Stereoscopic viewing apparatus and method and related stereoscopic recording
12/09/1990CA2058445A1 Stereoscopic viewing apparatus and method and related stereoscopic recording
12/05/1990EP0401062A1 Device for the mutual alignment of multicolour lightbeams and optical sight comprising such a device
12/05/1990EP0400954A2 Raster scanning system utilizing overfilled polygon facet design
12/05/1990EP0400502A2 Beam converting apparatus
12/04/1990US4975937 Head activated fluoroscopic control
12/04/1990US4975565 Automatic adjusting device for a sighting system
12/04/1990US4974962 Opto-electronic scale-reading apparatus
12/04/1990US4974958 Projecting optical apparatus having no trapezoidal distortion
12/04/1990US4974957 Device for 3-dimensional imaging of laser and/or collimated light
12/04/1990US4974946 High contrast display device enclosure system using transparent light polarizing means
12/04/1990US4974944 For passing light in a forward direction
12/04/1990US4974943 Light beam scanning apparatus
12/01/1990WO1990015357A1 Birefringent polarizing device
12/01/1990CA2059553A1 Birefringent polarizing device
11/1990
11/29/1990WO1990014609A1 Beam splitter for splitting an optical beam path
11/29/1990DE3917200A1 Mirror for camera viewfinder - has central region which has different degree of reflectivity and transparency from outer region
11/29/1990DE3917198A1 Optical beam splitter e.g. for video camera - has at least two areas of different degrees of reflection or transmission
11/28/1990EP0399865A1 Optical device for introduction of a collimated image into the field of view of an observer and helmet comprising such a device
11/28/1990EP0398963A1 Control means and method for optical inspection system
11/27/1990US4974219 Polarizing beam splitter using dielectric multilayers
11/27/1990US4973144 Inertial device for stabilizing the inclination of an orientable body and vehicle-mounted telescope mirror fitted with a device of this kind
11/27/1990US4973139 Vehicle having a windshield
11/27/1990US4973132 Polarized holographic heads up display
11/27/1990US4973124 Wavelength drop-and-insert device
11/27/1990US4973120 Optical isolator with resonant cavity having gyrotropic material
11/27/1990US4973119 Optical waveguide isolator
11/27/1990US4973115 Free expansion pseudo-zoom for laser projector
11/27/1990US4973112 Hologon deflection system having dispersive optical elements for scan line bow correction, wavelength shift correction and scanning spot ellipticity correction
11/23/1990CA2017251A1 Optical device enabling the introduction of a collimated image in an observer's field of vision
11/22/1990EP0398346A2 Automotive head-up display with high brightness in daytime and high contrast in nighttime
11/22/1990EP0398038A2 Optical clock system for computers
11/22/1990EP0397706A1 Mounting assembly for optical equipment.
11/22/1990DE4016096A1 Providing view from high performance aircraft - involves hinged external mirror and fixed internal mirror
11/20/1990US4972429 Achromatic prism beam expander for high magnification and tunable laser using same
11/20/1990US4972156 Phase conjugate laser with a temporal square pulse
11/20/1990US4972122 Fluorescent display tube head-up display apparatus eliminating a heated filament image of fluorescent display tube
11/20/1990US4972092 Apparatus for determining the effective surface roughness of polished optical samples by measuring the integral scattered radiation
11/20/1990US4971413 Laser beam depicting apparatus
11/20/1990US4971412 Laser optical system having a phase correction for controlling intensity distribution
11/20/1990US4971312 Illusion apparatus
11/20/1990CA1276696C Method and apparatus for optical rf phase equalization
11/20/1990CA1276695C Method and apparatus for optical rf amplitude equalization
11/15/1990WO1990013843A1 Non-linear controller functions for inertial optical stabilizers
11/14/1990EP0397369A2 Optical apparatus for combining light beam arrays having different wavelengths
11/14/1990EP0397089A1 Light isolator of waveguide type
11/14/1990EP0396981A1 Image stabilizing apparatus
11/14/1990EP0396538A1 Method of making a thin lens
11/14/1990EP0345280B1 Process for the optical scanning of an object and device for the implementation of said process
11/14/1990CN1046984A Beam splitter system of brightness meter/colorimeter
11/13/1990US4970589 Head mounted video display and remote camera system
11/13/1990US4970540 Image stabilization apparatus
11/13/1990US4970381 Integrated optics facsimile apparatus
11/13/1990US4969730 Image projection arrangement
11/13/1990US4969724 Helmet supported optical systems with four reflections
11/13/1990US4969722 Device for delivering a collimated beam such as a laser beam
11/13/1990US4969720 Magneto-optic bypass switch
11/13/1990US4969714 Helmet mounted display having dual interchangeable optical eyepieces
11/08/1990DE3914191A1 Bi-prismatic spectacles for stereoscopic viewing of TV screen - use dispersion properties of disparate glass prisms cemented or glued together in front of each eye
11/07/1990EP0396308A1 Optical isolator
11/07/1990EP0396266A1 Display device
11/07/1990EP0396128A2 Catadioptric projector, catadioptric projection system and process
11/07/1990EP0395910A2 Mirror for modification of the optical configuration of a light beam
11/06/1990USH833 Protective helmet visor for use with vision assisting devices
11/06/1990US4969035 Observation of furnace interior
11/06/1990US4968874 Optical pickup with astigmatism correcting lens
11/06/1990US4968139 Illuminating system for the visual inspection of objects
11/06/1990US4968123 Helmet mounted display configured for simulator use
11/06/1990US4968117 Heads up display
11/06/1990US4967953 Partitioned box with light reflective partition surface and window
11/06/1990CA1275801C Optical proximity imaging method and apparatus
11/01/1990WO1990013208A1 Device for selectively influencing the colour and direction of a white-light laser beam
11/01/1990WO1990013054A1 Optical system for imaging the light from light sources
10/1990
10/31/1990EP0414680A4 Light collector for stimulable phosphor imaging apparatus.