| 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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| 09/25/1979 | US4169275 Reproduction scanning system having intermediate storage between input and output scanning stations |
| 09/25/1979 | CA1062955A1 Pressurized ink applicator for intaglio printing press |
| 09/19/1979 | EP0004201A1 Facsimile transmitter unit |
| 09/19/1979 | EP0004200A1 Facsimile receiver unit |
| 09/19/1979 | EP0004078A2 Colour correcting method and circuit for carrying it out |
| 09/18/1979 | US4168513 Regenerative decoding of binary data using minimum redundancy codes |
| 09/18/1979 | US4168487 Code detection circuit |
| 09/18/1979 | US4168421 Voltage compensating drive circuit for a thermal printer |
| 09/11/1979 | US4167758 Method and device for transmitting facsimile picture signals |
| 09/11/1979 | US4167324 Apparatus for xerographically printing a composite record based on fixed and variable data |
| 09/04/1979 | US4166923 Amplitude- and periodic phase-modulation transmission system |
| 09/04/1979 | CA1061616A1 Flat field scanning system |
| 08/21/1979 | US4165520 Video hard copy controller |
| 08/21/1979 | US4165514 Electrostatic recording multi-stylus electrode device |
| 08/14/1979 | US4164762 Facsimile control apparatus |
| 08/14/1979 | US4164745 Printing by modulation of ink viscosity |
| 08/09/1979 | WO1979000507A1 Photomechanical processing machine |
| 08/07/1979 | US4163980 Recording electrode assembly for use in electrostatic reproduction |
| 08/07/1979 | US4163605 Method of picture reproduction with variable reproduction scale |
| 07/31/1979 | US4163260 System for reducing band width of image signal |
| 07/31/1979 | US4163256 Electronic photography system |
| 07/31/1979 | US4163253 Method of and apparatus for modifying a video signal to prevent unauthorized recording and reproduction thereof |
| 07/31/1979 | CA1059637A1 Apparatus for cross-array correlation and compression coding between two-dimensional matrices derived from two-valued picture points |
| 07/31/1979 | CA1059635A1 Apparatus for scanning a selected face portion of a graphic record |
| 07/31/1979 | CA1059439A1 Electronic mail box |
| 07/24/1979 | US4162487 System for the transmission and reception of encoded information |
| 07/24/1979 | CA1059208A1 Thin film thermal print head |
| 07/24/1979 | CA1059199A1 Guard jets in multiple nozzle printing |
| 07/24/1979 | CA1059197A1 Ink jet nozzle structure and method of making |
| 07/17/1979 | US4161757 Facsimile system |
| 07/17/1979 | CA1058685A1 Process for the electrographic recording of images |
| 07/17/1979 | CA1058435A1 Optical system for a scanning apparatus |
| 07/03/1979 | US4160280 Picture scanner with a scanning light position detector |
| 07/03/1979 | US4160279 Optoelectronic reading apparatus |
| 07/03/1979 | US4160264 Matrix compensator for color video signals |
| 07/03/1979 | CA1057811A1 Electrostatographic recording member with combined positioning and grounding means |
| 06/26/1979 | US4159488 Variable speed facsimile transmitter using storage mode photodetection array |
| 06/26/1979 | US4159479 Electrolytic graphic recorder with cover receiving recording web |
| 06/26/1979 | US4159432 Analog signal manipulation using charge transfer techniques |
| 06/26/1979 | CA1057390A1 Method and apparatus for time compression of facsimile transmissions |
| 06/26/1979 | CA1057201A1 Electronic halftone imaging system |
| 06/19/1979 | US4158861 Facsimile communication system and method |
| 06/19/1979 | US4158859 Automatic control of iris and clamping voltage in video signal generator |
| 06/19/1979 | US4158856 Apparatus and method for generating digital words representative of video information |
| 06/19/1979 | CA1056919A1 Automatic compensating circuit |
| 06/14/1979 | WO1979000333A1 Teleprinting process using a smectic liquid cristal cell and transceiver teleprinter for application of said process |
| 06/12/1979 | CA1056441A1 Ink ejection type writing system using amplitude-modulated electric signals |
| 06/12/1979 | CA1056440A1 Ink jet drop generator |
| 06/12/1979 | CA1056439A1 Method and apparatus for controlling satellites in an ink jet printing system |
| 06/05/1979 | CA1056060A1 Method and apparatus for enhancing data |
| 06/05/1979 | CA1056051A1 Sequential image-modulated dot-area recording |
| 05/30/1979 | EP0002102A1 Xerographic printer/copier device with converter for converting information from a latent image of an original document into electrical signals |
| 05/29/1979 | US4156880 Method for transmitting a facsimile signal by sequential edge differential coding |
| 05/29/1979 | CA1055606A1 Apparatus for correcting the timing of a signal derived from a dynamic magnetic record |
| 05/22/1979 | USRE30008 Facsimile apparatus and method of operation |
| 05/22/1979 | US4156245 High frequency carrier electric recording process |
| 05/22/1979 | US4156165 Device for the electronic generation of an electrostatic charge pattern |
| 05/22/1979 | CA1054945A1 Apparatus and method for facsimile scanning |
| 05/15/1979 | USRE29998 Device for recording images with signal level being maintained for one line period |
| 05/15/1979 | US4155103 Dot matrix copying apparatus |
| 05/08/1979 | US4153916 Facsimile communication system and method |
| 05/08/1979 | CA1053959A1 Metal film recording media for laser writing |
| 05/01/1979 | US4152730 Synchronization system in a facsimile system |
| 05/01/1979 | US4152697 Parallel run-length decoder |
| 05/01/1979 | US4152151 Pressure induced development of electrostatic latent images |
| 05/01/1979 | CA1053738A1 Electrostatic printer support with controlled electrostatic field voltage |
| 04/24/1979 | US4151563 Arrangement for the recording of rastered half tone pictures to avoid striping |
| 04/24/1979 | US4151562 Methods and apparatus for transmitting image data |
| 04/24/1979 | US4151555 Optical scanning and encoding device |
| 04/24/1979 | US4150873 Bi-directional optical scanning |
| 04/24/1979 | US4150620 Ink mist type high speed printer |
| 04/17/1979 | US4150402 Method and apparatus for reducing the effect of laser noise in a scanning laser read system |
| 04/17/1979 | US4150401 Facsimile signal converter |
| 04/17/1979 | US4150400 Methods of a coarse-scan/fine-print character reproduction with compression |
| 04/17/1979 | US4150388 A-C charged electrostatic recording process |
| 04/17/1979 | US4150387 Alternating current electrostatic recording process |
| 04/10/1979 | US4149197 Direct imaging apparatus for an electronic document transmitter utilizing a linear array of photo-detectors |
| 04/10/1979 | US4149196 Facsimile transmitter receiver system |
| 04/10/1979 | US4149195 Method and apparatus for producing rastered printed forms |
| 04/10/1979 | US4149194 Variable angle electronic halftone screening |
| 04/10/1979 | US4149193 Facsimile drive with dynamic brake |
| 04/10/1979 | US4149192 Transmission of encoded facsimile signals at variable intervals commensurate with recording time |
| 04/10/1979 | US4149183 Electronic halftone generator |
| 04/10/1979 | US4149171 Thermal recording method |
| 04/10/1979 | US4149145 Fax processor |
| 04/10/1979 | US4149143 Image sensor output correcting system |
| 04/10/1979 | US4149142 Signal transmission system with an error control technique |
| 04/10/1979 | US4149091 Scanning apparatus |
| 04/10/1979 | US4149090 Crossover arrangement for multiple scanning arrays |
| 04/10/1979 | CA1052279A1 Switching circuit utilizing the base storage characteristic of a transistor for use in a facsimile transceiver and the like |
| 04/03/1979 | US4148076 Facsimile machine |
| 04/03/1979 | US4148075 Framing signal generator for electrical recorders |
| 04/03/1979 | US4148043 Two-color electrostatic printing apparatus |
| 04/03/1979 | US4148009 Method and apparatus for electronically retouching |
| 04/03/1979 | US4147928 Scanning array configuration |
| 04/03/1979 | US4147401 Polygonal mirror holder and drive assembly |
| 04/03/1979 | CA1051788A1 Method and apparatus for dual resolution photographic reproduction of line and continuous tone graphic material |
| 03/27/1979 | US4146908 Method and apparatus for driving facsimile transceivers |
| 03/27/1979 | US4146786 Scanner with modular array of photocells |
| 03/27/1979 | CA1051506A1 Thermal gas printer |