Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
12/1983
12/21/1983EP0096084A1 Process to avoid image defects in multicolour printing caused by non coincident printing of the colour separations
12/21/1983EP0096079A1 Process for preparing dot screen data for character and/or picture representations
12/20/1983US4422153 Oblique projection original and oblique projection original forming apparatus and method
12/20/1983US4422102 Laser recording method and apparatus simultaneously scanning and reading out adjacent data
12/20/1983US4422101 Electronic cylinder making method
12/20/1983US4422100 Document scanning apparatus
12/20/1983US4422099 Optical communication on variable power beam
12/20/1983US4422098 Internal test method and apparatus for facsimile transceiver
12/20/1983US4422093 Television burst service
12/20/1983US4422083 System and method for producing artwork for printed circuit boards
12/20/1983US4421387 Extended thin film light modulator/scanner
12/20/1983CA1159140A1 Document scanner
12/13/1983US4420773 Electronic photographic camera
12/13/1983US4420772 Illumination and light gate utilization methods and apparatus
12/13/1983US4420771 Technique for encoding multi-level signals
12/13/1983US4420761 Scanning recording apparatus
12/13/1983US4420760 Printer beam position feedback sensor
12/13/1983US4420742 Scan signal processing system
12/13/1983CA1158761A1 Dynamic threshold device
12/13/1983CA1158707A1 Multifunction graphic engine based on an oscillating scanner
12/13/1983CA1158705A1 Ink printing device for multi-colored printing of a recording medium
12/08/1983WO1983004160A2 Device for scanning and storing optical information on a planar substrate
12/07/1983EP0095937A2 Scanning apparatus and method
12/07/1983EP0095936A2 Scanning apparatus and method
12/07/1983EP0095931A2 Picture data storage system
12/07/1983EP0095771A2 Scanning control apparatus
12/07/1983EP0095716A2 Mapping ram for a modulated display
12/07/1983EP0095705A2 An angular halftone system on a raster display
12/07/1983EP0095592A2 Electrode-comb manufacturing device
12/07/1983EP0095518A1 Method for tone-value-dependent colour removal in four color printing
12/07/1983EP0095514A1 Method and apparatus for the reproduction of an image with a coarser resolution than during picture scanning
12/06/1983US4419707 Flexible band positioning device for a read/write head
12/06/1983US4419697 Facsimile apparatus
12/06/1983US4419696 Amorphous silicon film electrode
12/06/1983US4419691 Method for the improved reproduction of image in reproduction technology
12/06/1983US4419690 Method and apparatus for producing a half-tone reproduction
12/06/1983US4419676 Method of recording signals on bands by means of laser beams and apparatus for carrying out the method
12/06/1983US4419675 Imaging system and method for printed circuit artwork and the like
12/06/1983US4419576 Focus compensation linkage
12/06/1983US4419007 Multi-mode document handling system
12/06/1983CA1158353A1 Image printing stylers holder, its manufacture and related printing device
12/06/1983CA1158079A1 Solid state optical microscope
11/1983
11/30/1983EP0095380A2 Thermal transfer printing method
11/30/1983EP0032899B1 Process and device for determining the contours inside a digitally stored image
11/29/1983US4418390 Method and apparatus for making a coded chart of a color subject
11/29/1983US4418371 Rolling bias spring
11/29/1983US4418362 Method and device for image analysis
11/29/1983US4417805 Image synthesizing device
11/24/1983WO1983004092A1 System for forming an image on the surface of a plastic card
11/22/1983US4417282 Document information filing system
11/22/1983US4417281 Image magnification control mechanism for facsimile zoom lens
11/22/1983US4417276 Video to digital converter
11/22/1983US4417260 Image scanning system
11/22/1983US4416522 Daylight photoplotting and film therefor
11/16/1983EP0094046A2 Image scanning system
11/15/1983US4415981 Multi-purpose terminal device having an input and control keyboard for connection to a data processing system and/or to an automatic text processing unit
11/15/1983US4415937 Solid-state image storage device
11/15/1983US4415934 Image reading apparatus
11/15/1983US4415933 Carrier wave recovery circuit
11/15/1983US4415925 Color original readout apparatus
11/15/1983US4415924 Photoelectric transducer device
11/15/1983US4415920 Image signal processing unit
11/15/1983US4415914 Gray scale electrostatic recording system and a stylus driver therefor
11/15/1983US4415913 Gray tone recorder
11/15/1983US4415912 Recording method and recording apparatus to record, on a grey scale, representations of images under control of electrical command signals
11/15/1983US4415908 Thermal printer
11/15/1983US4415907 Printing pulse control circuit for thermal printing head
11/15/1983CA1157143A1 Image interpolation system
11/10/1983WO1983003941A1 Color reproduction system
11/09/1983EP0093583A1 Apparatus for scanning a plane with light beams
11/09/1983EP0093429A2 Method of and apparatus for enlarging/reducing two-dimensional images
11/09/1983EP0093411A2 Solid state image-sensing device
11/09/1983EP0093244A2 Apparatus and method for transmitting compressed data
11/08/1983US4414636 Color control simulator for a picture reproducing machine
11/08/1983US4414635 Method and circuit for recognition of colors
11/08/1983US4414628 System for displaying overlapping pages of information
11/08/1983US4414583 Scanned light beam imaging method and apparatus
11/08/1983US4414582 Multiple line processing of video signals in a scanning type document reader
11/08/1983US4414581 Image signal processing method and apparatus therefor
11/08/1983US4414580 Progressive transmission of two-tone facsimile
11/08/1983US4414579 Information transmitting and receiving station utilizing a copier-printer
11/08/1983CA1156716A1 Sheet feeding for a facsimile system and the like
11/08/1983CA1156690A1 Method and apparatus for facsimile sheet handling
11/02/1983EP0092906A1 Automatic paper feeding device for a facsimile equipment or the like apparatus
11/01/1983US4413287 White line skipping
11/01/1983US4413286 Method and apparatus involving digital screen generation
11/01/1983US4413285 Facsimile apparatus
11/01/1983US4413281 Method for simultaneous teletext and analog signal transmission
11/01/1983US4413276 Optical scanner for color facsimile
11/01/1983US4413275 Ink-jet color printing apparatus
11/01/1983US4413269 Method of and apparatus for controlling gray scale while printing on charge sensitive recording mediums
11/01/1983US4413188 Camera tube apparatus for reading documents
11/01/1983CA1156349A1 Buffer memory dispersion type video/audio transmission system with spatially and timewise divided inter-office junction lines
11/01/1983CA1156348A1 Facsimile signalling method
11/01/1983CA1156336A1 Alignment system for scanning arrays
10/1983
10/26/1983EP0092175A2 Electro-optical device
10/25/1983US4412256 Method and apparatus for the representation of gray scale values in facsimile transmission
10/25/1983US4412252 Image reduction system
10/25/1983US4412228 Heat-sensitive recording head driving method
10/25/1983US4412226 Ink-jet printing method