Patents
Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835)
05/1979
05/15/1979US4154511 Compact optical lens barrel mechanism
05/15/1979US4154507 Optical combiner/distributor using V-shaped mirror assembly
05/08/1979US4153913 Head-up displays
05/08/1979US4153457 Gradient density screen produced by exposing photosensitive medium to obtain interference fringe pattern
05/08/1979US4153336 Optimized spatial filter for defect detection
05/08/1979US4153335 Method and apparatus for increasing the visibility of low-contrast images
05/08/1979US4153334 Stereoscopic image observing apparatus
05/08/1979US4152852 Transparency viewer assembly
05/08/1979CA1054246A1 High power laser apodizer
05/08/1979CA1053959A1 Metal film recording media for laser writing
05/01/1979US4152729 Image motion compensation system
05/01/1979US4152069 Process and apparatus for ascertainment of the valuation data of gems
05/01/1979US4152050 Shift lens system
05/01/1979US4152048 Stereoscopic viewer
05/01/1979US4151752 Device for the excitation of waves and especially ultrasonic waves including a cell
04/1979
04/24/1979US4151411 Laser safety goggles
04/24/1979US4151321 Layers of inorganic materials act as optical filters; maps
04/24/1979US4150885 Stabilized scene viewing system
04/24/1979CA1053369A1 Optical reader utilizing semiconductor laser diode
04/18/1979EP0001441A1 A method for defining the spatial location of object surface points
04/17/1979US4150399 Apparatus for reading a record carrier with an optical information structure
04/17/1979US4149784 Roll film reader/printer with manually insertable discrete film
04/17/1979US4149783 Miniature map viewer with aligning reticle
04/17/1979US4149773 Optical system for the production of a beam of light having a uniform intensity distribution
04/10/1979US4149062 Scavenger hood for laser
04/10/1979CA1052469A1 Apparatus for reading a flat reflecting record carrier on which information is stored in a optically readable structure
04/10/1979CA1052145A1 Headgear incorporating optical display systems
04/04/1979EP0001204A1 Binocular system with gyro-stabilized image
04/03/1979US4147561 Fresnel lens positioned in region to receive high intensity radiation during periods of direct sunlight
04/03/1979US4147056 Multi-segment head-up display for aircraft
04/03/1979CA1051848A1 Ultraviolet light processor having rotating shutters
03/1979
03/27/1979US4146307 Method of increasing the light produced by a laser beam
03/27/1979US4146303 Stereo-viewer and stereo-sheet to be used for the same
03/27/1979US4145931 Fresnel focussed imaging system
03/27/1979CA1051549A1 Arrangement for aligning the image of an information structure on a converter
03/27/1979CA1051236A1 Film cartridge viewer
03/20/1979US4145131 Compact camera and viewer apparatus
03/20/1979US4145118 Viewing instrument
03/13/1979US4144453 Method and device for excitation and selective dissociation by absorption of laser light and application to isotopic enrichment
03/13/1979CA1050314A1 Projection lens system
03/13/1979CA1050313A1 Optical scanner with large depth in focus
03/06/1979US4143403 Light beam scanning system
03/06/1979US4143402 System for the optical read-out by reflection of a data carrier using half beams
03/06/1979US4143338 Gas laser device
03/06/1979US4142801 Spectral color generator
03/06/1979US4142800 Automatic level
03/06/1979US4142781 Electro-optical display device with electro-optical light valves
03/06/1979US4142778 Stereoscopic viewer and replaceable cartridge therefor
03/06/1979CA1049820A1 Focusing device and method of use thereof for photographic enlarger
02/1979
02/27/1979US4142191 Laser apparatus
02/27/1979US4142100 Process and apparatus for recording and optically reproducing X-ray images
02/27/1979US4141654 Standard for calibrating and/or verifying instrument accuracy
02/27/1979US4141625 Optical system for multiple imaging a linear object
02/27/1979CA1049303A1 Spatial frequency carrier and process of preparing same
02/20/1979US4141060 Ultraviolet light processor having movable reflectors
02/20/1979US4141032 Method of and apparatus for the expansion of the range of the depth of focus beyond the limit given by conventional images
02/20/1979US4140903 Precision speed control for optical scanners
02/20/1979US4140370 Planar optical viewing screens and lenses
02/20/1979CA1048965A1 Apparatus for radiation curing of coating on a multi-sided object
02/20/1979CA1048842A1 Metal film recording media for laser writing
02/20/1979CA1048829A1 Optical beam combining apparatus
02/20/1979CA1048826A1 Apparatus for compensating optical error in a rotative mirror
02/20/1979CA1048777A1 Visual display apparatus for trainee pilot
02/13/1979US4139769 Boresight method and apparatus
02/13/1979US4139291 System and method for obtaining wide screen Schlieren photographs
02/13/1979US4139263 Optical device for projecting a radiation beam onto a data carrier
02/13/1979US4139257 Synchronizing signal generator
02/13/1979CA1048661A1 Pattern generating apparatus
02/13/1979CA1048439A1 Separation of chemical species
02/13/1979CA1048315A1 Diffractive subtractive color filtering technique
02/07/1979EP0000570A1 Original of an optical information carrier and process for realising this original
02/06/1979US4138297 Method for isotope separation by means of coherent electromagnetic radiation
02/06/1979US4138190 Geometrical transformations in optics
02/06/1979US4137863 Reading instrument
02/06/1979CA1048156A1 Method and apparatus for reading coded labels
02/06/1979CA1048109A1 Micro-surgical laser system
01/1979
01/30/1979US4136963 Collimator gunsight
01/30/1979US4136954 Imaging apparatus including spatial-spectral interferometer
01/30/1979US4136821 Method and apparatus for recognizing code information
01/30/1979CA1047649A1 Fingerprint comparator
01/30/1979CA1047643A1 Apparatus for reading a record carrier on which information is stored in an optically readable structure
01/23/1979US4135820 Beam combining apparatus
01/23/1979US4135785 X-ray light divider
01/23/1979US4135502 Stereoscopic patterns and method of making same
01/23/1979CA1047149A1 Temperature control for apodizers
01/23/1979CA1046823A1 Double focusing microscope for registering semiconductor wafers and masks
01/16/1979US4135098 Method and apparatus for curing coating materials
01/16/1979US4134644 3D Color pictures with multichrome filters
01/16/1979CA1046318A2 Opto-electronic system for determining a deviation between the actual and the desired position of a plane in an optical imaging system
01/16/1979CA1046316A1 Moveable light spot projection apparatus
01/10/1979EP0000275A1 A stereoscopic film slide and viewer
01/09/1979US4133602 Method for producing color structure change through interaction of light sources and application to improved apparatus for stereoscopic photography
01/09/1979CA1046164A1 Electro-optical correlator
01/02/1979US4132466 Ophthalmoscopic optical system
01/02/1979CA1045725A1 Laser alteration of accommodation coefficient for isotope separation
12/1978
12/26/1978US4131347 Light beam projecting apparatus
12/26/1978US4131337 Comparison reader for holographic identification cards
12/26/1978US4131333 Optical stabilizer having space referenced motion
12/19/1978US4130832 Three-dimensional display
12/19/1978US4130347 Fine-line diffractive subtractive color filters