Patents
Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835)
10/1980
10/07/1980US4227208 Optical comb filter
10/07/1980US4226508 Viewing and angling device for ice fishing
10/07/1980US4226500 Scanning optical system with reflective lens
10/07/1980US4226038 Photo-slide handler and viewer
10/07/1980CA1087006A1 Optical system for rotating mirror line scanning apparatus
10/02/1980WO1980002069A1 Sighting instruments,in particular for fire arms
10/01/1980EP0016630A1 Optical scanning apparatus
10/01/1980EP0015902A1 Three dimensional television system
09/1980
09/30/1980US4225215 Display instrument using optical collimation
09/30/1980CA1086521A1 Process and apparatus for ascertainment of the valuation of gems
09/23/1980US4224497 Method for making filter cigarettes using light energy to make perforations in the filter tipping wrap
09/17/1980EP0015789A1 Optical photorepeating projection device
09/16/1980US4223350 Diascope for a television camera
09/16/1980US4222653 Visual effects optical relay
09/16/1980US4222633 Optical arrangement for geometrically separating the light fluxes in imaging systems
09/09/1980US4222027 Glide path lighting system
09/09/1980US4221462 Stereoscopic viewer for panoramic camera film
09/09/1980US4221460 Arrangement for transmitting polarized optical radiations
09/09/1980CA1085343A1 Method for isotope separation by means of coherent electromagnetic radiation
09/09/1980CA1085199A1 Display and indicating system for a vehicle
09/03/1980EP0015173A1 Optical aligning system for two patterns and photorepeater making use of such a system
09/03/1980EP0015129A1 Optical circulator
09/03/1980EP0015061A1 Image stabilized optical system
09/02/1980US4220400 Display apparatus with reflective separated structure
09/02/1980CA1085050A1 Method for recording information on a rotatable medium
09/02/1980CA1084847A1 Method and apparatus for linearly filtering two- dimensional signals
08/1980
08/26/1980US4219867 Vehicle headlight with polarized and non-polarized light emission
08/26/1980CA1084577A1 Optical printer with character magnification
08/26/1980CA1084321A2 Photographic encoding system using lenticular graticule and synchronous motion
08/20/1980EP0014548A2 Flying spot scanning apparatus
08/20/1980EP0014427A2 Multi-chamber photoreactor and irradiation method making use thereof
08/19/1980US4218134 Optical system for copier
08/19/1980US4218111 Holographic head-up displays
08/19/1980CA1084162A1 Record playback system
08/19/1980CA1083864A1 Roll film reader/printer with manually insertable discrete film
08/12/1980US4217025 Stereoscopic microscope
08/05/1980US4215924 Method to control introduction of diffracted beam by means of diffraction element
08/05/1980US4215914 Optical system having a radial difference in refractive index
08/05/1980CA1083115A1 Head attached television
07/1980
07/29/1980US4214817 Prismatic light beam expansion or compression system
07/29/1980US4214813 Prismatic light beam expander or compressor means
07/29/1980US4214808 Kaleidoscopic mobile
07/29/1980US4214391 Optical numerical segment display
07/29/1980US4214371 Device for illuminating reticles in optical instruments
07/29/1980CA1082642A1 Isotope separation method and apparatus
07/29/1980CA1082505A1 Feedback light amplifier
07/29/1980CA1082504A1 Lens system for modifying spherical aberration
07/23/1980EP0013435A2 Contrast enhancement filter and method
07/22/1980US4214297 Arrangement for spectral dispersion of a bundle of light
07/22/1980US4214157 Apparatus and method for correcting imperfection in a polygon used for laser scanning
07/22/1980CA1082357A1 Apparatus with attenuating element for reading a record carrier
07/22/1980CA1082128A1 Method and device for excitation and selective dissociation by absorption of laser light
07/15/1980US4213157 Self tracking laser scanning apparatus
07/15/1980US4212716 Method and device for excitation and selective dissociation by absorption of laser light and application to isotopic enrichment
07/15/1980CA1081509A1 Controlled reflection readout for digital displays
07/15/1980CA1081452A1 Stereoscopic image observing apparatus
07/10/1980WO1980001419A1 A reflective beam rotator
07/08/1980US4211471 Mode converters for converting a non-confining wave into a confining wave in the far infrared range
07/01/1980US4210385 Optical panoramic survey-systems
07/01/1980CA1080786A1 Process for increasing the illumination level produced by a laser beam
07/01/1980CA1080525A1 Optical device for concentrating light from a linear field on to a receiver
07/01/1980CA1080524A1 Fine-line diffractive subtractive color filters
07/01/1980CA1080523A1 Optical identification system and reader for reading optical gratings on a record medium
06/1980
06/25/1980EP0012243A1 Display system including electrostatically deflectable elements
06/24/1980CA1080009A1 Fabrication of rectangular relief profiles in photoresist
06/24/1980CA1079955A1 Method of determining parallax effects in a stereoscopic optical system
06/17/1980US4208585 Apparatus for focusing electromagnetic radiation on a sample
06/17/1980US4208101 Immersion objective for a microscope
06/17/1980US4208096 Optical display apparatus
06/17/1980US4208088 Multi-axial optical objective for an optical read head in a facsimile system
06/17/1980US4208087 Optical flexure joint
06/12/1980WO1980001209A1 Anaglyph stereoscopy
06/11/1980EP0011744A1 Light grid arrangement
06/10/1980US4206965 System for synthesizing strip-multiplexed holograms
06/10/1980US4206559 Supporting leg assembly for an illuminated transparency viewer
06/10/1980CA1079384A1 Optical device for a surface vehicle guidance system using a light-contrast programme
06/03/1980US4206365 Optical correlator
06/03/1980US4206347 Acousto-optic multiplexing and demultiplexing
06/03/1980US4205902 Laser beam expander
06/03/1980US4205893 Kaleidoscope
06/03/1980US4205803 Adaptor for a film viewer
06/03/1980CA1078911A1 Selective erasure of image on deformable medium recording devices
05/1980
05/27/1980US4205224 Binocular viewing technique
05/27/1980US4204744 Switch for light conducting fibers
05/27/1980CA1078240A1 Modulation alignment of mask pattern relative to semiconductor substrate
05/20/1980US4203654 Line-of-sight stabilization reflector assembly
05/20/1980US4203652 Beam shaping optical system
05/14/1980EP0011024A1 Helmet mounted visualization system
05/14/1980EP0011003A1 Telecopyer using a liquid crystal cell
05/14/1980EP0010998A1 Process for optically aligning patterns in two planes close to one another and alignment device to realize such a process
05/13/1980US4202627 Photoelectric detecting apparatus
05/13/1980US4202601 Training aid for use with night vision apparatus
05/13/1980CA1077609A1 Multi-dimensional corrective system for long radiation beams
05/13/1980CA1077606A1 System for combining laser beams of diverse frequencies
05/13/1980CA1077314A1 Apparatus for storing and reading authenticating information
05/06/1980US4201994 Information formation apparatus
05/06/1980CA1076859A1 Optical system for multiple imaging a linear object
04/1980
04/29/1980US4200875 Apparatus for, and method of, recording and viewing laser-made images on high gain retroreflective sheeting
04/29/1980US4200356 Coupler for optical communication system
04/29/1980US4199877 Color harmony scale