Patents
Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835)
05/1990
05/22/1990US4927262 Multiple pupil projection display
05/22/1990US4927250 Optical system for compensating chromatic abherration of image
05/22/1990US4927245 Frequency shifter for medium infrared range wave
05/22/1990US4927238 Method and apparatus for displaying a three dimensional visual image
05/22/1990US4927234 Optical system for head-up displays
05/22/1990US4926566 Method of producing a metrological scale and scale produced by such method
05/21/1990CA2003528A1 Methods and apparatus for optically enhancing selected features in an image
05/21/1990CA2003193A1 Optical wavelength multiplexer/demultiplexer and demultiplexer/remultiplexer
05/17/1990WO1990005319A1 Opto-mechanical device for three-dimensional viewing and image projection
05/17/1990DE3838622A1 Accessory device for optoelectronic testing systems
05/17/1990DE3838372A1 Device for producing decorative and/or informative planar representations
05/16/1990EP0368335A2 Polarization beam coupler adapted to produce output beam for monitoring
05/16/1990EP0367878A1 Multifocals using phase shifting steps
05/16/1990EP0203158B1 Peripheral vision guidance display
05/15/1990US4926430 Laser module with a built-in optical isolator, and method of adjusting the angular position of the optical isolator
05/15/1990US4926195 Image recording apparatus
05/15/1990US4925271 Optical beam splitter
05/15/1990US4925270 Apparatus for assisting viewing of stereoscopic displays
05/09/1990EP0367534A2 Helmet display
05/09/1990EP0367246A2 Head-up display apparatus
05/09/1990EP0367241A2 Diffractive optical imaging lens systems
05/09/1990EP0367097A2 Optical transmission spectrometer
05/09/1990EP0366984A2 Laser diode focusing module for divergent light source
05/09/1990CN2057004U Light-type thermostable laser
05/08/1990US4923290 For altering the state of polarization of light
05/08/1990US4923281 Laser diode focusing module, method of fabricating, and method of using
05/08/1990CA1268627A1 Head-up display independent test site
05/08/1990CA1268621A1 Retrofit optical turret with laser source
05/04/1990CA2002186A1 Opto-mechanical device for projecting images and observing said images in three dimensions
05/02/1990EP0366467A2 Helmet supported optical systems
05/02/1990EP0366150A1 Datum beam projecting apparatus for use with surveying equipment
05/02/1990EP0366039A2 Optical beam scanning system
05/02/1990EP0153313B1 Multibeam measuring device
05/02/1990CN2056762U Stereoscopic art picture box
05/02/1990CN1041828A Image projection arrangement
05/01/1990USH779 Daytime flight symbology display system
05/01/1990US4922336 Three dimensional display system
05/01/1990US4922309 Analyzing a sample
05/01/1990US4921338 Corrective optics for rectangular laser beams
05/01/1990US4921333 Phase contrast image microscopy using optical phase conjugation in a hybrid analog/digital design
05/01/1990US4921278 Identification system using computer generated moire
05/01/1990CA1268367A1 Optical beam integration system
04/1990
04/30/1990CA2001919A1 Optical system
04/25/1990EP0365406A1 Optical collimating system for a helmet visual
04/25/1990EP0364968A2 Optical isolator
04/25/1990CN2056519U Optical system for multicomponent relative infra-red analyser
04/24/1990US4920412 Atmospheric obscurant penetrating target observation system with range gating
04/24/1990US4919517 Image-reproducing arrangement for motor vehicles including lens means forming a real image adjacent an upper edge of a windshield to which an instrument panel mirror reflects to form a virtual image
04/24/1990US4919516 Optical tandem scanning system using a koesters reflecting prism for light splitting
04/24/1990US4919511 Fibre-type light conversion device
04/24/1990US4919502 Tilt error corrective scanning optical system
04/24/1990US4919501 Opto-mechanical deflector
04/19/1990DE3929583A1 Stereoscopic screen for three=dimensional cinematography or TV - has surface formed by large number of concave or convex optical elements
04/19/1990DE3835308A1 Device for the reproduction of stereoscopic pictures (images)
04/18/1990EP0364043A1 Image projecton device
04/18/1990EP0363914A2 Optical device with optical polarizer/analyzer formed of yttrium vanadate
04/18/1990EP0363666A2 Optical-scanning apparatus
04/18/1990EP0363407A1 Projector.
04/17/1990US4917494 Beam forming apparatus for aerodynamic particle sizing system
04/17/1990US4917481 High intensity laser radiation protection
04/17/1990US4917478 Arrangement for illumination and scanning of an object by means of a scanning disk similar to a Nipkow disk
04/17/1990US4917457 In an optical attachment
04/17/1990US4917456 Optical crossover network
04/12/1990DE3833946A1 Optical imaging system
04/12/1990DE3833728A1 Optical scanning device
04/11/1990EP0363347A2 Method for making a smooth, uniform image of a laser diode array
04/11/1990EP0362900A2 Four channel optical wavelength multiplexer
04/11/1990EP0362692A2 Spectacles for watching the picture area of a picture screen or other picture area without getting tired
04/11/1990EP0362466A2 Light-guide and irradiation device
04/10/1990US4915616 System utilizing gas flame for appreciation or ornamentation
04/10/1990US4915487 Heads up display for night vision goggle
04/05/1990WO1990003590A1 Head-up display
04/05/1990DE3924702A1 Optical-ray divider system - comprises cube with convex inlet and two concave outlet faces with concentric radii
04/05/1990DE3833104A1 Beam-guiding element
04/04/1990EP0361559A2 Image projection arrangement
04/04/1990EP0360849A1 Apparatus for sensing the presence of a record member.
04/04/1990CN2055606U Micro-stereo measuration mould
04/04/1990CN1041043A Image projection arrangement
04/03/1990US4913549 Method and apparatus for realtime-monitoring astronomical object with speckle interferometry
04/03/1990US4913529 Illumination system for an LCD display system
04/03/1990US4913528 Optical prism, and projection television set using same
04/03/1990CA1267309A1 Entertainment or amusement device
03/1990
03/28/1990EP0360150A2 Device for determining the effective superficial roughness of polished optical samples by measurement of integral light scatterings
03/27/1990US4912751 Method and device for establishing and writing a luminous pattern
03/27/1990US4911544 Skin condition analyzer for cosmetologists
03/27/1990US4911543 Microscope viewing apparatus for viewing a specimen image and an optical overlay pattern image in a comparison manner
03/27/1990US4911541 Inertial pendulum optical stabilizer
03/27/1990US4911532 Laser optical system with a single collimating lens and combining means
03/22/1990WO1990002968A1 Common path multichannel optical processor
03/22/1990WO1990002963A1 Dispersion-compensating diffraction grating
03/22/1990WO1990002626A1 Laser beam relay unit
03/22/1990DE3832093A1 Device for demultiplexing optical signals and a polarisation-diversity receiver for optical superheterodyne reception using such a device
03/21/1990EP0359658A2 Optical base material and optical product using the same and method of manufacturing the optical base material
03/21/1990EP0359468A2 Optical correlator and method of optical correlation
03/21/1990EP0359461A2 Optical element and system
03/21/1990EP0359179A2 Dispersion-compensating diffraction grating
03/21/1990EP0359015A1 Automotive windshield for a head-up display system
03/21/1990EP0358929A2 A photoelectric sensor
03/21/1990EP0358769A1 Laser oscillator
03/20/1990CA1266771A1 Sighting device