| 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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| 03/27/1979 | CA1051349A1 Intermixed pitches in a buffered printer |
| 03/20/1979 | US4145721 Photosensitive self scan array with noise reduction |
| 03/13/1979 | US4144547 Apparatus and method for encoding halftone and line copy data |
| 03/13/1979 | US4144539 Feedback control for laser discharge system |
| 03/06/1979 | US4143403 Light beam scanning system |
| 02/27/1979 | US4142214 Apparatus for controlling facsimile transmitter and receiver |
| 02/27/1979 | US4141642 Optical fiber cathode ray tubes and copy machines using the same |
| 02/27/1979 | US4141620 Light deflecting device using a polygon mirror with float members |
| 02/20/1979 | US4141018 Thermal recording head and drive circuit |
| 02/20/1979 | US4140903 Precision speed control for optical scanners |
| 02/20/1979 | US4140874 Automatic compensating circuit |
| 02/20/1979 | CA1049167A1 Apparatus for image manipulation |
| 02/20/1979 | CA1049087A1 Miniature ink jet nozzle |
| 02/20/1979 | CA1048842A1 Metal film recording media for laser writing |
| 02/20/1979 | CA1048826A1 Apparatus for compensating optical error in a rotative mirror |
| 02/13/1979 | US4139869 High-resolution information storage and retrieval system including electronic refresh buffer |
| 02/13/1979 | US4139856 Electrostatic recorder having a fixed head made up of a laminated stack of recording styli |
| 02/13/1979 | US4139257 Synchronizing signal generator |
| 02/13/1979 | US4139243 Protective system for a pneumatically actuated rotating body |
| 02/06/1979 | US4138693 Information density decision circuit |
| 02/06/1979 | US4138102 Automatic document processing device |
| 02/06/1979 | CA1048157A1 Video thresholder |
| 02/06/1979 | CA1048140A1 Amplifier background control apparatus for use in a document scanning system |
| 02/06/1979 | CA1048139A1 Amplifier for use in a document scanning system |
| 02/06/1979 | CA1047935A1 Pseudo halftone print generator and method |
| 02/06/1979 | CA1047846A1 Toner applicator for electrographic recording system |
| 01/30/1979 | US4137537 Electrostatic transfer process and apparatus for carrying out the same |
| 01/30/1979 | CA1047429A1 Random access line printer |
| 01/23/1979 | US4136363 Truncated run length encoding |
| 01/23/1979 | US4136361 Vidicon reader |
| 01/23/1979 | US4136360 Apparatus including a circuit arrangement for adjusting the color signal levels of a white dot |
| 01/23/1979 | US4136346 Recorder pen with ink jet writing device |
| 01/23/1979 | US4136261 Automatic answering device in facsimile |
| 01/23/1979 | CA1046814A1 Flat field scanning system |
| 01/16/1979 | US4135214 Method and apparatus for compressing facsimile transmission data |
| 01/16/1979 | US4135212 Printing methods and apparatus |
| 01/16/1979 | US4135199 Stiffening construction for facsimile cassette |
| 01/16/1979 | US4135198 Sheet clamp apparatus |
| 01/16/1979 | US4135194 Rotary head magnetic recording at fixed wavelength with varying speeds |
| 01/16/1979 | CA1046574A1 Dielectrographic recording apparatus and method |
| 01/09/1979 | US4134137 Single wire microelectrometer imaging system |
| 01/09/1979 | US4134136 Paper carrier for facsimile machine |
| 01/09/1979 | US4134135 Optoelectronic scanning apparatus |
| 01/09/1979 | US4134133 Method for interline-coding facsimile signal |
| 01/09/1979 | CA1046159A1 System for converting tonal images to line drawings |
| 01/02/1979 | US4133008 Automatic illumination compensation circuit |
| 01/02/1979 | US4133007 Video data detect circuits for video hard copy controller |
| 01/02/1979 | CA1045600A1 Elongate illuminator with window and end light sources |
| 12/26/1978 | US4131919 Electronic still camera |
| 12/26/1978 | US4131917 Frequency limiter |
| 12/26/1978 | US4131916 Pneumatically actuated image scanning reader/writer |
| 12/26/1978 | US4131915 Facsimile signal transmission system |
| 12/26/1978 | US4131901 Cover mounted holddown for facsimile recorder cassette |
| 12/20/1978 | EP0000070A1 Image printing head |
| 12/20/1978 | EP0000069A1 Image printing head |
| 12/19/1978 | US4130842 Circuit for generating a digital, deleted data, blinking cross signal which is stored in a deleted track and selectively displayed for detection |
| 12/19/1978 | US4130841 Variable frequency half-tone imaging apparatus |
| 12/19/1978 | US4130840 Method and apparatus for coupling facsimile signals to a telephone network |
| 12/19/1978 | US4130839 Circuitry for a facsimile receiver for regeneration of carrier for an amplitude modulated suppressed carrier signal |
| 12/19/1978 | US4130834 Method of and apparatus for the production of photographic stills |
| 12/19/1978 | CA1044809A1 Optical character recognition video amplifier and digitizer |
| 12/19/1978 | CA1044608A1 Electronic horizontal shifting and variable print width in a buffered printer |
| 12/19/1978 | CA1044607A1 Intermixed line heights and blank line formation in a buffered printer |
| 12/12/1978 | US4129358 Optical system for imaging an elongate object in rearranged sections |
| 12/12/1978 | CA1044305A1 Method of and device for electrostatic printing |
| 12/05/1978 | US4128850 Method and apparatus for transmitting facsimiles over telephone lines |
| 12/05/1978 | US4128842 Electrostatic printing device with monocrystalline stylus |
| 12/05/1978 | CA1043908A1 Non-synchronous duobinary encoding |
| 12/05/1978 | CA1043603A1 Input and output flying spot scanning system |
| 12/05/1978 | CA1043601A1 Variable spot size scanning system |
| 11/28/1978 | US4127871 Method of color correction including transforming co-ordinate systems of color separation signals |
| 11/28/1978 | US4127870 Method and apparatus for changing the picture point resolution of continuous tone pictures during transition from reproduction to recording |
| 11/21/1978 | US4126869 Chaff tray for facsimile recorder |
| 11/21/1978 | CA1043011A1 Flying spot scanner with plural lens correction |
| 11/14/1978 | US4125864 Beam splitter |
| 11/14/1978 | US4125842 Method for laser recording using zeroth order light and heat deformable medium |
| 11/14/1978 | CA1042354A1 Printer |
| 11/07/1978 | US4124871 Image data resolution change apparatus and process utilizing boundary compression coding of objects |
| 11/07/1978 | US4124870 Method for improving print quality of coarse-scan/fine-print character reproduction |
| 11/07/1978 | US4124295 Background brightness control for document copier |
| 11/07/1978 | US4124286 Method and apparatus for xerographically printing a composite record of fixed and variable data |
| 10/31/1978 | US4123786 X-ray examining device comprising a television chain which includes a memory |
| 10/31/1978 | US4123762 Improved electrostatic head with toner-repelling electrode |
| 10/31/1978 | US4123171 Density measuring device |
| 10/31/1978 | US4122997 Optical reader |
| 10/24/1978 | US4122497 Facsimile receiver capable of backwardly feeding a continuous recording medium after a separate sheet is cut therefrom |
| 10/24/1978 | US4122496 Apparatus and method for digital halftone reproduction |
| 10/24/1978 | US4122462 Image information recording apparatus |
| 10/24/1978 | US4122409 Method and apparatus for controlling the intensity of a laser output beam |
| 10/24/1978 | US4122352 Scanning array configuration |
| 10/24/1978 | US4122299 Data output format modifying system |
| 10/24/1978 | CA1041209A1 Flying spot scanner |
| 10/24/1978 | CA1041159A1 Thermal printing device |
| 10/17/1978 | US4121261 Synchronous helical scan-helical record magnetic imaging |
| 10/17/1978 | US4121260 Transceiver system for visible images |
| 10/17/1978 | US4121259 Method for digital run-length coding with redundance reduction for transmission of binarily coded picture informations |
| 10/17/1978 | US4121258 Method for coding facsimile signal |
| 10/17/1978 | US4121251 Method of detecting a synchronizing light beam |
| 10/17/1978 | US4121249 Card recording and reproduction apparatus and method |
| 10/17/1978 | US4121226 Idler guide for facsimile scanning belt |