Patents
Sitemap › G02 - Optics › G02B - Optical elements, systems, or apparatus › G02B 27 - Other optical systems; Other optical apparatus
Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835)
06/1981
06/16/1981US4273410 Polygonal cylinder for use in optical picture scanning systems
06/09/1981US4272684 Optical beam-splitting arrangements on object side of a lens
06/09/1981US4272186 Camera method and apparatus for recording with selected contrast
06/09/1981US4272159 Optical circulator
06/09/1981CA1102600A1 Optical image-forming apparatus
06/03/1981EP0029755A1 Stigmatic optical device for transmission/reception of coherent radiation and an optical read/write head including such a device
06/03/1981EP0029737A1 Electro-optical switching devices
06/03/1981EP0029612A2 Binocular instrument
06/02/1981US4270843 Objective for video disks
06/02/1981US4270842 Optical system for forming an image of the retina
05/1981
05/26/1981US4270140 Optical system for imprinting information
05/26/1981US4270131 Adaptive error correction device for a laser scanner
05/26/1981US4270044 Optical reference gyro
05/26/1981US4269915 Recording material containing relief images comprising grids having different depths of rectangular profile providing colors yellow, red, violet and green; electrooptics
05/26/1981US4269476 Helmet-mounted display system
05/26/1981US4269475 Head-up displays
05/26/1981CA1101711A1 Optical fiber switching device
05/26/1981CA1101706A1 Acousto-optical imagery system based on coherent holographic detection in real time
05/26/1981CA1101705A1 Optical observation arrangement for decoding layers of three-dimensional objects from coded superposition images
05/26/1981CA1101645A1 Method of forming mirrors and mounting them in the shell of a binocular or like viewing instrument
05/20/1981EP0029006A1 Optical image intensifier
05/20/1981EP0028864A1 Process for displaying artefact-poor tomographic images of a three-dimensional object
05/20/1981EP0028774A2 Apparatus for detecting defects in a periodic pattern
05/19/1981US4268129 Mirror for optical recording system
05/19/1981US4268119 Color-separating optical system
05/19/1981US4268110 Facet angle corrector for multi-faceted optical scanner
05/19/1981CA1101536A1 Device for the excitation of waves and especially ultrasonic waves including a cell
05/13/1981EP0028548A1 Real-time optical correlation system
05/12/1981US4267489 Thin schaukasten
05/12/1981US4266834 Filing arrangement
05/12/1981CA1101121A1 Twisting geometry scanner
05/12/1981CA1101111A1 Low altitude head up display for aircraft
05/12/1981CA1100904A1 Method and apparatus for curing coating materials
05/06/1981EP0028098A1 Improvements in or relating to sights
05/05/1981US4266252 Lens system for document scanning
05/05/1981US4266129 Device for viewing residual light in the visible and the near infrared spectrum
05/05/1981US4265542 Apparatus and method for fine alignment of a photomask to a semiconductor wafer
05/05/1981US4265520 Focus detecting device in single lens reflex camera
05/05/1981US4265402 Strobed liquid display device and head therefor
04/1981
04/30/1981WO1981001202A1 Three-dimensional display apparatus
04/30/1981WO1981001201A1 Methods and apparatus for producing three-dimensional displays
04/28/1981US4264810 Focus detecting apparatus
04/28/1981US4264193 Image converting and projecting method and apparatus for carrying out the same
04/28/1981US4264134 Display arrangements
04/28/1981US4263737 Illuminated grid display with primary and secondary copy
04/28/1981US4263719 Optical sighting devices
04/28/1981CA1099965A2 Surgical microscope system
04/21/1981US4262441 Magic mailbox
04/14/1981US4262208 Photo-electrical detecting apparatus
04/14/1981US4262196 Container inspection apparatus
04/14/1981US4261657 Optical display device
04/14/1981US4261647 Head up displays
04/14/1981US4261646 Beam splitter for optical player
04/14/1981US4261635 Optical apparatus
04/14/1981US4261125 Transparency block
04/08/1981EP0026741A1 Measuring head for a densitometer
04/07/1981US4260254 Compact boresight tester for laser designators
04/07/1981US4260218 Stabilized optical system with off-axis stabilizer
04/07/1981US4259802 Picture viewer
04/02/1981WO1981000918A1 Apparatus for viewing and sorting photographic slide transparencies
04/01/1981EP0025957A2 Optical device for contactless recording, particularly for facsimile picture and text reproduction
04/01/1981EP0025956A2 Optical device for contactless recording
04/01/1981EP0025832A1 Beam-splitting optical system
03/1981
03/31/1981US4259017 Methods for use in definition of object surfaces
03/31/1981US4258976 Derotation plate
03/31/1981CA1098352A1 Magnifying optical system
03/25/1981EP0025594A1 Axis-monitoring apparatus for a laser beam
03/25/1981EP0025581A1 Light source device
03/24/1981US4258126 Photoresists
03/24/1981US4257677 Retroviewer
03/24/1981US4257673 Device for coupling at least three light guides
03/24/1981US4257180 Microfiche viewer
03/18/1981EP0025397A1 Illuminating means for producing a light beam having adjustable light intensity distribution and image transfer system comprising such a means
03/18/1981EP0025380A1 Process for transferring onto a support the true shadow of a mask pierced with regularly distributed slits, and application of this process to photolithography in particular
03/18/1981EP0025335A1 Stabilisable optical sights and tank gun control system incorporating such an optical sight
03/17/1981US4257053 High-resolution laser plotter
03/17/1981US4256367 Stereoscopic viewer - booklet device
03/17/1981US4256364 Two-dimensional scanning optical system with distortion correction
03/17/1981CA1097726A1 Apparatus and method for producing images on sensitized surfaces
03/13/1981EP0020718A4 Anaglyph stereoscopic imaging device.
03/10/1981US4255032 Camera with a holographic indicator
03/10/1981US4255021 Optical device with conical input and output prism faces
03/10/1981US4255019 Diffractive color filter
03/10/1981US4255013 Rifle scope having compensation for elevation and drift
03/10/1981CA1097107A1 Optical image comparison device for identification verification
03/03/1981US4253735 Image forming optical system for semiconductor laser
03/03/1981US4253732 Collapsible stereoscopic viewer
03/03/1981US4253724 Recording optical system
03/03/1981CA1096972A1 Process and apparatus for recording and optically reproducing x-ray images
02/1981
02/24/1981US4253102 Optical recording apparatus
02/24/1981US4252423 Image projector
02/24/1981US4252410 Polarization rotation method and apparatus
02/24/1981US4252404 System for transmitting and receiving plural messages via a single fiber-optical path
02/19/1981WO1981000499A1 Optical illumination and distortion compensator
02/18/1981EP0023962A1 Document scanning system
02/17/1981US4251160 Method and arrangement for aligning a mask pattern relative to a semiconductor substrate
02/17/1981US4251158 Albada finder incorporating a range finder
02/17/1981US4251129 Photoelectric detecting device
02/17/1981CA1095782A1 Method of manufacturing a data carrier which can be optically read and a data carrier obtained by said method
02/10/1981USRE30513 Color splitting prism assembly
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