Patents
Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835)
04/1980
04/22/1980US4199816 Optical calibration apparatus and procedure
04/22/1980US4199226 Laser transmitting and receiving device
04/22/1980US4199220 Lens system with reticle and diffuser glass
04/22/1980CA1075951A1 Photographic flash duration controlled by measuring reflected light
04/16/1980EP0010031A1 Method for the transformation of thermal images into visible images, device for carrying out this method and use
04/16/1980EP0009983A1 Optical beam splitting apparatus
04/15/1980US4198655 Systems for the display and indication of information
04/15/1980US4198654 Systems for the display and indication of information
04/15/1980US4198154 Image recording apparatus capable of representing half-tones on an image
04/15/1980US4198120 Fiber optic device for correcting image tilt or curvature in a spectrogram
04/15/1980US4198114 Magnifying optical system
04/15/1980CA1075800A1 Etalon laser mode selector
04/15/1980CA1075652A1 Glide path lighting system
04/15/1980CA1075507A1 Observation and sighting apparatus such as for vehicles
04/15/1980CA1075487A1 Optical measurement of small articles
04/08/1980US4196961 Optical apparatus for correcting the spherical aberration of a spherical concave mirror
04/08/1980CA1075057A1 Remote control light transmitting lens system
04/08/1980CA1075054A1 Binocular type viewing instrument
04/02/1980EP0009332A1 Head up displays
04/02/1980EP0009062A1 A stereoscopic filmstrip, a method of manufacturing it and a stereoscopic viewer for viewing it
04/01/1980US4195915 Liquid crystal image projector system
04/01/1980US4195913 Optical integration with screw supports
04/01/1980US4195911 Panoramic image generating system
04/01/1980US4195910 Multidirectional visual display device
04/01/1980US4195908 Magnetic mirror for imparting non-reciprocal phase shift
04/01/1980US4195903 Binocular microscope with lenses rotatable in the plane of optical axes
04/01/1980CA1074648A1 Cylindrical radiant energy direction device with refractive medium
03/1980
03/25/1980US4195316 Apparatus and method for correcting imperfection in a polygon used for laser scanning
03/25/1980CA1074280A1 Optical display apparatus and method
03/20/1980WO1980001518A1 Light modulation device and its use for testing parts
03/20/1980WO1980000499A1 Arrangement to reduce influence of diffuse and direct reflections in a display device based on a source of light emitting in a narrow band
03/19/1980EP0008639A1 Light source arrangement for stage or studio lighting or the like
03/18/1980US4193666 Display collimator system including a standby reticle arrangement
03/18/1980US4193661 Optical multichannel coupler
03/18/1980CA1073715A1 Optical system for multiple imaging of a linear object
03/11/1980US4192578 Method of projecting a line image of uniform brightness
03/11/1980CA1073253A1 Optical focussing sensor
03/06/1980WO1980000377A1 Prism telescope with immage stabilising device
03/05/1980EP0008448A2 Slide viewer
03/04/1980US4191462 Fixed focus exposure control apparatus with reverse spherical aberration corrective characteristic
03/04/1980US4191457 Bi-directional optical apparatus for altering an optically projected member
03/04/1980CA1073101A1 Optical focussing device for focussing a radiation beam
03/04/1980CA1073056A1 Optical pulse transmission system
02/1980
02/26/1980US4190856 Three dimensional television system
02/26/1980US4190832 Polarized windshield indicia reflection display system
02/26/1980US4190338 Data recording camera
02/26/1980US4190330 Variable focus liquid crystal lens system
02/26/1980CA1072381A1 Remote control light receiving lens system
02/19/1980US4189210 Visual effect system
02/19/1980US4189206 Optical switching device
02/19/1980CA1072047A1 Isotope separation process
02/12/1980US4188119 Two-coordinate length measuring device for microscopic instruments
02/12/1980US4188090 Retractable head-up displays
02/12/1980US4187868 Method and device for cleaning a sloping or vertical surface on an optical element
02/12/1980CA1071449A1 Multiple lens system for an optical imaging device
02/12/1980CA1071447A1 Black and white diffractive subtractive light filter
02/06/1980EP0007902A1 Automatic focusing system
02/06/1980EP0007432A1 Rear-view device incorporatable in helmets and the like
02/05/1980US4187001 View expanding apparatus
02/05/1980US4186838 Measurement of optical properties
01/1980
01/29/1980US4185903 Camera having spatially stabilized photocell
01/29/1980US4185891 Laser diode collimation optics
01/29/1980US4185407 Display device
01/29/1980CA1070832A1 Apparatus for reading a disc-shaped record carrier
01/29/1980CA1070810A1 Optical projection device and an optical reader incorporating this device
01/23/1980EP0007268A1 Optical radiation source for producing a divergent radiation beam with a uniform angular aperture
01/23/1980EP0007039A1 Holographic head-up display system
01/22/1980CA1070426A1 Focussing system for optical record carrier reader
01/15/1980US4183636 Projection system
01/15/1980US4183623 Tomographic cross-sectional imaging using incoherent optical processing
01/15/1980CA1069739A1 Compact microform reader with projection screen
01/09/1980EP0006787A1 Optical projection system comprising plate positioning means
01/08/1980US4182565 Light-ray deviator for camera objective
01/08/1980CA1069360A1 Colour splitting prism assembly
01/01/1980US4181405 Head-up viewing display
01/01/1980CA1068954A Method and apparatus for splitting a beam of energy
12/1979
12/25/1979US4180330 Method of and a system for color separation
12/25/1979US4180309 Focal point detecting device for SLR camera
12/18/1979CA1068404A1 Optical read-out system
12/12/1979EP0005897A1 Diffractometer and method of detecting a light-diffracting specimen
12/12/1979EP0005852A1 Reflection light barrier apparatus capable of recognizing strongly reflecting objects
12/11/1979US4178615 Aperture plate for an exposure head for use in a picture scanning reproducer
12/11/1979US4178611 Optical low pass filter
12/11/1979US4178404 Titanium, copper and cupric oxide/;
12/11/1979US4178075 Lenses with distortion
12/11/1979US4178074 Head-up displays
12/11/1979US4178073 Optical isolator
12/11/1979CA1067999A1 Optical device for projecting a radiation beam onto a data carrier
12/11/1979CA1067855A1 Air cooling means for uv processor
12/11/1979CA1067735A1 Conversion of stripe-geometry junction laser emission to a spherical wavefront
12/04/1979US4177482 Population and profile data of bodies in a transparent mass
12/04/1979US4176907 Scanning device
12/04/1979CA1067618A1 Apparatus for reading an optically readable reflecting information structure
12/04/1979CA1067599A1 Coherent scanning system for fabric inspection
12/04/1979CA1067452A1 Laser isotope separation
11/1979
11/28/1979EP0005460A1 Apparatus for material treatment
11/27/1979US4175830 Wave mode converter
11/27/1979US4175828 Collapsible stereoscopic viewer
11/27/1979US4175825 Optical transmission system with a pechan prism for equalizing optical paths
11/27/1979US4175365 Method and apparatus for measuring distances