| Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802) |
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| 04/01/1980 | US4196451 Electronic halftone generator |
| 04/01/1980 | US4196450 Selective copying apparatus |
| 04/01/1980 | CA1074703A1 Document copying apparatus with programmed computation means |
| 04/01/1980 | CA1074611A1 Compact apparatus for making large color printing records |
| 03/25/1980 | US4195316 Apparatus and method for correcting imperfection in a polygon used for laser scanning |
| 03/25/1980 | US4194839 Circuit arrangement for recognizing and adjusting color components |
| 03/25/1980 | CA1074430A1 Multi-color acoustooptic deflector |
| 03/25/1980 | CA1074387A1 Gray tone generation |
| 03/19/1980 | EP0008848A1 Apparatus for recording optical data onto a movable light-sensitive material, including an acousto-optic modulator |
| 03/19/1980 | EP0008739A1 Reprographic apparatus capable of reproducing various tone and line originals and methods of operation thereof |
| 03/19/1980 | EP0008695A1 Circuit arrangement for telephonic switching systems, particularly private branch exchanges, with auxiliary data traffic, e.g. with teleprinters |
| 03/19/1980 | EP0008673A2 Colour picture scanning device and method |
| 03/19/1980 | EP0008672A1 Colour picture scanning device |
| 03/18/1980 | US4194221 Automatic multimode continuous halftone line copy reproduction |
| 03/18/1980 | CA1074021A1 Automatic page selectors |
| 03/18/1980 | CA1073716A1 Cladded tapered optical fiber |
| 03/18/1980 | CA1073715A1 Optical system for multiple imaging of a linear object |
| 03/11/1980 | US4193097 Facsimile apparatus |
| 03/11/1980 | US4193096 Half tone encoder/decoder |
| 03/11/1980 | US4193092 Image interpolation system |
| 03/04/1980 | US4191975 Digital phase synchronizing system |
| 03/04/1980 | US4191974 Facsimile encoding communication system |
| 02/26/1980 | US4190899 Card retrieval device |
| 02/26/1980 | US4190867 Laser COM with line deflection mirror inertia compensation |
| 02/19/1980 | US4189753 Document scanning head |
| 02/19/1980 | US4189752 Electronic screening with galvanometer recorders |
| 02/19/1980 | US4189742 Apparatus for indicating overcorrections, in electrical color correction apparatus |
| 02/19/1980 | US4189741 Apparatus for improved color judgement in a color monitor for electrical color correction |
| 02/19/1980 | US4189736 Facsimile stylus assembly |
| 02/19/1980 | US4189711 Multilevel processing of image signals |
| 02/12/1980 | US4188643 Method and arrangement for correcting errors in facsimile transmission |
| 02/12/1980 | US4188113 Copying device with facsimile function |
| 02/12/1980 | CA1071764A1 Input device for scanning documents with magnetic printing |
| 02/12/1980 | CA1071599A1 Exhaust system for pyrographic printer |
| 02/07/1980 | WO1980000208A1 Video signal recording and reproducing where the recorded data also is a pictorial image |
| 02/06/1980 | EP0007756A1 Xerographic method and apparatus for producing a composite image |
| 02/06/1980 | EP0007655A1 Method for copying documents using a rotatable recording medium and a recording disc used therefor |
| 02/05/1980 | US4187520 Facsimile transmission installation in particular for copying forms |
| 01/29/1980 | US4186431 Linear light source |
| 01/29/1980 | US4186415 Facsimile compression system |
| 01/23/1980 | EP0007197A1 Laser scanning utilizing facet tracking and acousto pulse imaging techniques |
| 01/23/1980 | EP0007125A1 Process for engraving glass surfaces and for grinding glass bodies, and device for carrying out the process |
| 01/23/1980 | EP0007105A1 Method of and apparatus for reading out a radiation image recorded in a stimulable phosphor |
| 01/22/1980 | US4185304 Electronic halftone screening |
| 01/22/1980 | US4185303 Run length encoding of facsimile pictures |
| 01/22/1980 | US4185302 Run length encoding of facsimile signals |
| 01/22/1980 | US4185271 Character reading system |
| 01/15/1980 | US4184168 Ink-on-demand type ink jet head driving circuit |
| 01/09/1980 | EP0006715A1 Method of processing image data |
| 01/09/1980 | EP0006570A2 Document scanning system with exposure control |
| 01/09/1980 | EP0006504A1 Colour separation transparency and method for its preparation |
| 01/09/1980 | EP0006351A1 Method of processing image data |
| 01/09/1980 | EP0006131A1 Method for transmitting recordings containing miscellaneous representations to a display screen, particularly in telephone systems |
| 01/08/1980 | US4183032 Electrostatic recording medium with elongated conductive segments |
| 01/08/1980 | US4182568 Multiplexed electrostatic photocopier |
| 01/01/1980 | US4181912 Electrostatic recording apparatus comprising improved electrode switching means |
| 12/25/1979 | US4180824 Head for electrically printing an image |
| 12/25/1979 | US4180822 Optical scanner and recorder |
| 12/25/1979 | US4180330 Method of and a system for color separation |
| 12/25/1979 | US4180307 Two-dimensional scanning apparatus with constant speed scan |
| 12/18/1979 | US4179621 Scanning apparatus |
| 12/18/1979 | US4179620 Crossover arrangement for multiple scanning arrays |
| 12/18/1979 | US4179118 Apparatus and method for releasably securing sheet material to the drum of a drum-type facsimile machine |
| 12/18/1979 | CA1068327A1 Charge electrode for ink jet |
| 12/18/1979 | CA1068325A1 Hybrid fluid jet drop generation |
| 12/18/1979 | CA1068244A1 Illuminator with reflector filter |
| 12/12/1979 | EP0005844A1 Read/write scanning equipment |
| 12/11/1979 | US4178615 Aperture plate for an exposure head for use in a picture scanning reproducer |
| 12/11/1979 | US4178598 Transfer or recording sheet having a textured surface |
| 12/11/1979 | US4178471 Laser computer output microfilmer with electrical misalignment correction |
| 12/11/1979 | US4178064 Real time grating clock for galvanometer scanners in laser scanning systems |
| 12/11/1979 | CA1067735A1 Conversion of stripe-geometry junction laser emission to a spherical wavefront |
| 12/04/1979 | US4177487 Facsimile scanner |
| 12/04/1979 | US4177486 Facsimile device |
| 12/04/1979 | US4177485 Facsimile apparatus |
| 12/04/1979 | US4177449 Photoelectric converter apparatus |
| 12/04/1979 | US4176907 Scanning device |
| 11/27/1979 | US4176406 Information recording and recognition |
| 11/27/1979 | US4176379 Video input circuits for video hard copy controller |
| 11/27/1979 | US4176362 High density magnetic image recording head |
| 11/27/1979 | US4176275 Radiation imaging and readout system and method utilizing a multi-layered device having a photoconductive insulative layer |
| 11/27/1979 | CA1066932A2 Flying spot scanner |
| 11/27/1979 | CA1066931A2 Flying spot scanner |
| 11/13/1979 | US4174528 Exposure control for document scanner arrays |
| 11/13/1979 | US4174527 Method for locally precisely setting the start and end of reproduction in an engraving apparatus |
| 11/06/1979 | US4173772 Solid state image scanning system for producing a binary output |
| 11/06/1979 | US4173416 Scanning heads for transparencies |
| 11/06/1979 | CA1065980A1 Laser for generating white light |
| 10/31/1979 | EP0005062A1 Adapter for a raster output scanning printer |
| 10/31/1979 | EP0004852A1 Pattern scanning device with controlled light source |
| 10/30/1979 | US4173025 Electrical signal scrambling apparatus |
| 10/23/1979 | US4171902 Information processing system having an optic axis adjusting mirror device |
| 10/23/1979 | CA1065049A1 Facsimile data compression method |
| 10/17/1979 | EP0004737A2 Electrostatic scanning ink jet method and apparatus |
| 10/16/1979 | CA1064618A1 Compression of gray scale imagery to less than one bit per picture element |
| 10/09/1979 | US4170779 Print head electrode for metal paper printers |
| 10/09/1979 | US4170404 Mounting structure for optical assemblies in nonmechanical printers |
| 10/09/1979 | CA1064092A1 Apparatus and method for automatic control of an intermediate image storage device in an electrostatographic processing machine |
| 10/09/1979 | CA1063774A1 Fe3o4 fabrication process |
| 10/02/1979 | US4170028 Facet tracking in laser scanning |