| 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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| 03/25/1987 | EP0215471A2 Thermal recording apparatus | 
| 03/25/1987 | EP0215363A2 Scanning arrangement for half-tone transmission originals | 
| 03/25/1987 | EP0215229A2 Method for compressing bi-level data | 
| 03/24/1987 | US4653112 Image data management system | 
| 03/24/1987 | US4653111 Image data monitor apparatus | 
| 03/24/1987 | US4653013 Altering spatial characteristics of a digital image | 
| 03/24/1987 | US4652999 Radiation image read-out and gradation processing method and apparatus with means to select between different gains for gradation processing | 
| 03/24/1987 | US4652939 Disk container supporting a deteachable memory | 
| 03/24/1987 | US4652937 Facsimile device | 
| 03/24/1987 | US4652936 Scanning method and system being capable of registering plural reproduction images | 
| 03/24/1987 | US4652935 Graded facsimile image signal coding system | 
| 03/24/1987 | US4652934 Facsimile transceiver equipped with broadcasting feature | 
| 03/24/1987 | US4652933 Image information processing system | 
| 03/24/1987 | US4652929 Method of and apparatus for making video images | 
| 03/24/1987 | US4652914 Method of recording register marks | 
| 03/24/1987 | US4652913 Method and apparatus for reading color images using a plurality of color light sources in which one of the light sources is turned on continuously | 
| 03/24/1987 | US4652892 Gradation control device for thermal ink-transfer type printing apparatus | 
| 03/24/1987 | US4652767 Reading apparatus with noise reduction | 
| 03/24/1987 | US4652743 Optical image-reading apparatus | 
| 03/24/1987 | US4652735 Image reader for X-ray film or the like having a detection system with an expanded dynamic range | 
| 03/24/1987 | CA1219668A1 Document scanners | 
| 03/18/1987 | EP0214863A2 Light beam scanning apparatus | 
| 03/18/1987 | EP0214504A2 Device for punctual illumnation, particularly at the linear scanning of image areas | 
| 03/18/1987 | EP0214204A1 Process and device to preserve secrecy in data processing | 
| 03/18/1987 | CN86106361A Scanning apparatus for continuous adjusting transparent original | 
| 03/18/1987 | CN86106256A Image signal coding device | 
| 03/17/1987 | US4651293 Image processing system comprising dither screen size selection based on image periodicity | 
| 03/17/1987 | US4651287 Digital image processing algorithm for output devices with discrete halftone gray scale capability | 
| 03/17/1987 | US4651229 Arrangement for guiding and shifting a carriage of an office machine | 
| 03/17/1987 | US4651228 Method and arrangement for the representation of a halftone image by use of a detection-adapted grid | 
| 03/17/1987 | US4651227 Video signal recording apparatus with A/D conversion | 
| 03/17/1987 | US4651226 Image scanning signal generating apparatus with pre-scan for exposure control | 
| 03/17/1987 | US4651225 Picture image scanning and reproducing method and system therefor | 
| 03/17/1987 | US4651223 Recorder | 
| 03/17/1987 | US4651222 Picture image forming apparatus | 
| 03/17/1987 | US4651221 Facsimile transmission system | 
| 03/17/1987 | US4651199 Method for detecting blank frames in a photographic color printer | 
| 03/17/1987 | US4651198 Color image reproducing apparatus with sheet feeding device for recirculating a sheet on which dots of different colors are sequentially recorded | 
| 03/17/1987 | US4651170 Laser printer having means for changing the output-image size | 
| 03/17/1987 | US4651169 Laser printer for printing a plurality of output-images sizes | 
| 03/17/1987 | US4651108 Demodulation circuit having means for detecting phase difference | 
| 03/17/1987 | US4650985 Photoconductors | 
| 03/17/1987 | US4650352 Apparatus for performing raised dot formations | 
| 03/17/1987 | CA1293043E Railroad communication | 
| 03/17/1987 | CA1219326A1 Railroad communication system | 
| 03/17/1987 | CA1219306A1 Laser diode control circuitry | 
| 03/12/1987 | WO1987001473A1 Film video player/printer with cropping control | 
| 03/12/1987 | WO1987001472A1 Film video player/printer | 
| 03/11/1987 | EP0214104A2 Method for the printed reproduction of continuous-tone polychrome originals | 
| 03/11/1987 | EP0214033A1 Process for making a light image sensor, and linear image sensor made by this process | 
| 03/11/1987 | EP0213949A2 Image processing apparatus | 
| 03/11/1987 | EP0213891A2 Image processing apparatus | 
| 03/11/1987 | EP0213861A2 Image transfer method and apparatus | 
| 03/11/1987 | EP0213740A2 Connector for television distribution equipment | 
| 03/11/1987 | EP0213683A2 Method and device for producing intermediate picture signals from reference picture signals at a reduced frame rate | 
| 03/11/1987 | EP0213550A1 Device for exposing a record carrier with alpha-numeric characters or surfaces presenting a foreground pattern being set off against a background pattern | 
| 03/11/1987 | EP0213539A2 Picture reading apparatus | 
| 03/11/1987 | EP0213511A2 Light beam scanning system | 
| 03/11/1987 | EP0213428A1 Arrangement to produce computer-radiographic X-ray images | 
| 03/11/1987 | EP0213188A1 Apparatus for scanning and sampling real images | 
| 03/10/1987 | US4649500 Collection method of data on feed amount of printing ink and system therefor | 
| 03/10/1987 | US4649437 Picture image forming apparatus | 
| 03/10/1987 | US4649436 Image processing apparatus in film image phototelegraphy | 
| 03/10/1987 | US4649435 Method and apparatus for coding pictorial information for efficient storage, transmission and reproduction | 
| 03/10/1987 | US4649433 Arrangement for making a photographic slide or cine-film recording of a television picture | 
| 03/10/1987 | US4649423 Method and circuit arrangement for selective correction of hues and colors | 
| 03/10/1987 | US4649404 Recording apparatus | 
| 03/10/1987 | US4649401 Thermal recording apparatus | 
| 03/10/1987 | US4648685 Method of driving galvanometer mirror | 
| 03/10/1987 | CA1219085A1 Radiation image signal compression method and apparatus | 
| 03/10/1987 | CA1219080A1 Method and an apparatus for coding/decoding telewriting signals | 
| 03/10/1987 | CA1219075A1 Radiation image read-out apparatus | 
| 03/10/1987 | CA1219058A1 Opto-electronic scanning apparatus | 
| 03/10/1987 | CA1219057A1 Image data compression system | 
| 03/10/1987 | CA1218952A1 Printer having automatic paper positioning means | 
| 03/04/1987 | EP0213017A1 Device for reproducing and/or reading images in colour using a linear cathode ray tube with a screen clad with optical fibres | 
| 03/04/1987 | EP0212990A2 Image processing apparatus | 
| 03/04/1987 | EP0212905A2 Decoding apparatus for image code | 
| 03/04/1987 | EP0212487A2 Method and device for controlling vertical scan speed | 
| 03/04/1987 | EP0212199A1 Facsimile receiver with a scanning device for generating digital picture signals | 
| 03/04/1987 | EP0212131A2 Digital image conversion apparatus | 
| 03/03/1987 | US4648119 Method and apparatus for forming 3×3 pixel arrays and for performing programmable pattern contingent modifications of those arrays | 
| 03/03/1987 | US4647987 Modified synchronization in apparatus for recording and reproducing single field non-interlaced images | 
| 03/03/1987 | US4647982 Image display apparatus capable of starting display of a new image in response to designation thereof prior to completion of display of a previously designated image | 
| 03/03/1987 | US4647981 Automatic white level control for a RIS | 
| 03/03/1987 | US4647963 Color enhancement | 
| 03/03/1987 | US4647962 Method and apparatus for generating a half-tone image representation with individual groups of one or more scanning beams controlled in response to half-tone dot information and either low-or high-resolution image data | 
| 03/03/1987 | US4647961 Apparatus for reading the image information of a colored original | 
| 03/03/1987 | US4647950 Recording apparatus | 
| 03/03/1987 | US4647946 Laser beam recorder having synchronized scanner and drum operations | 
| 03/03/1987 | US4647908 Codeword decoding | 
| 03/03/1987 | US4647768 Image sensing head for document scanning | 
| 03/03/1987 | US4647192 Carrier device for disc film | 
| 03/03/1987 | US4647145 Method of and apparatus for obtaining image data | 
| 03/03/1987 | CA1218733A1 Screen gravure engraving system for electromechanical engravers | 
| 02/25/1987 | EP0211611A2 Image signal coding apparatus | 
| 02/25/1987 | EP0211509A2 Method for printing a colour image | 
| 02/25/1987 | EP0211269A2 Dot printing apparatus and method | 
| 02/25/1987 | EP0033731B1 Engraving apparatus | 
| 02/24/1987 | US4646356 Method for converting a bit map of an image to a run length or run end representation |