Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
08/1994
08/16/1994US5339355 Modem pooling system for communicating between a telephone and a plurality of data terminals
08/16/1994US5339199 Still video device with selectable successive erasure of audio and/or video tracks
08/16/1994US5339176 Apparatus and method for color calibration
08/16/1994US5339175 Image capture apparatus having means for detecting the thickness of a document to be captured
08/16/1994US5339174 Facsimile machine time shifting and converting apparatus
08/16/1994US5339173 Imaging apparatus having object plate and variably positionable image sensor
08/16/1994US5339172 Apparatus and method for segmenting an input image in one of a plurality of modes
08/16/1994US5339171 Image processing apparatus especially suitable for producing smooth-edged output multi-level tone data having fewer levels than input multi-level tone data
08/16/1994US5339170 Image processing system and method employing hybrid filtering to provide improved reconstruction of continuous tone images from halftone screen-structured images
08/16/1994US5339169 Electronic filing system
08/16/1994US5339168 Copier/duplicator network
08/16/1994US5339164 Method and apparatus for encoding of data using both vector quantization and runlength encoding and using adaptive runlength encoding
08/16/1994US5339156 Facsimile mail system linked to data communication system
08/16/1994US5339150 Mark detection circuit for an electrographic printing machine
08/16/1994US5339139 Document feeder with positive document removal from imaging platen
08/16/1994US5339135 Charged area (CAD) image loss control in a tri-level imaging apparatus
08/16/1994US5339134 Automatic document feeder for image forming apparatus
08/16/1994US5339118 Tone correcting apparatus for laser display system
08/16/1994US5339107 Color optical scanner with rotating color filter assembly
08/16/1994US5338021 Paper feeding mechanism
08/16/1994US5337474 Process for fabricating electronic devices and image sensor
08/11/1994DE4402447A1 Device for generating a multi-scene video signal
08/10/1994EP0610104A1 Method and device for pressing a roller drive in a facsimile apparatus
08/10/1994EP0610079A1 Method and apparatus for color printing
08/10/1994EP0610035A2 System for electronically printing plural-color tamper-resistant documents
08/10/1994EP0609985A2 Compression factor adjustment to facilitate image display
08/10/1994EP0609789A2 Printing apparatus
08/10/1994EP0609622A1 Cell band rotation
08/10/1994EP0609567A2 Method of and apparatus for generation correction table for image processing
08/10/1994EP0609500A1 A digital radiographic image quality control workstation operable in manual or pass-through modes
08/10/1994EP0609428A1 Spectrometer apparatus for calibrating color imaging apparatus
08/10/1994EP0538454A4 Apparatus for information transfer
08/10/1994EP0517847B1 A technique for performing digital image scaling by logically combining or replicating pixels in blocks of differing group sizes
08/10/1994EP0411086B1 Video dekstop camera
08/10/1994CN1090657A Process cartridge, method for assembling process cartridge and image forming apparatus
08/09/1994US5337409 Parallel/serial data conversion system
08/09/1994US5337373 Automatic threshold generation technique
08/09/1994US5337362 Method and apparatus for placing data onto plain paper
08/09/1994US5337361 Record with encoded data
08/09/1994US5337350 Facsimile apparatus with telephone system
08/09/1994US5337349 Image telecommunication apparatus
08/09/1994US5337319 Apparatus and method for reconfiguring an image processing system to bypass hardware
08/09/1994US5337314 Wireless facsimile computer slate
08/09/1994US5337292 Recording/reproducing apparatus with remote controller
08/09/1994US5337168 Image data processing apparatus for locating pixel having maximum coincidence count in input image data
08/09/1994US5337167 Halftone image forming apparatus including density based dot enlargement
08/09/1994US5337166 Color signal transforming apparatus
08/09/1994US5337165 Architecture for a telephone facsimile terminal
08/09/1994US5337164 Negative film image reading device
08/09/1994US5337163 Linear image sensor with varied electric charge storage time
08/09/1994US5337162 Image processing apparatus for preventing occurrence of moire in output image
08/09/1994US5337161 Tab image extraction and placement
08/09/1994US5337160 Error diffusion processor and method for converting a grey scale pixel image to a binary value pixel image
08/09/1994US5337159 Image data smoothing method
08/09/1994US5337158 Facsimile data processing apparatus
08/09/1994US5337156 Image output device and facsimile management report output method
08/09/1994US5337135 Higher productivity trayless duplex printer with variable path velocity
08/09/1994US5337087 Video signal encoding apparatus
08/09/1994US5337078 Apparatus and method for recording information carried by electro-magnetic radiation beam
08/09/1994US5337076 Method and apparatus for reproducing images including a multiple scanning operation
08/09/1994US5337075 Image forming apparatus capable of readily changing the pixel density of an image
08/09/1994US5336976 Illumination warm-up control in a document scanner
08/09/1994US5336878 Variable speed single pass color optical scanner
08/09/1994US5335902 Sheet feeding device for an image forming apparatus
08/04/1994WO1994017624A1 Method and apparatus for reducing the effects of laser noise and for improving modulation transfer function in scanning a photoconductive surface
08/04/1994WO1994017623A1 Apparatus for discriminating special original document and apparatus for reading image by use of the discriminating apparatus
08/04/1994WO1994017622A2 Method of relaying data via television channels and a system for carrying out same
08/03/1994EP0609143A1 System and method for secure facsimile transmission
08/03/1994EP0609142A1 Apparatus and method for secure facsimile transmission and a secure facsimile comprising such a device
08/03/1994EP0609134A1 Reading/writing device and printing process
08/03/1994EP0609133A1 System for illuminating and scanning a document
08/03/1994EP0609008A1 Image processing apparatus and method
08/03/1994EP0608880A1 Image forming apparatus
08/03/1994EP0608715A2 Wireless-telecommunication device for vehicles
08/03/1994EP0608685A1 Production of signatures wherein original image information is manipulated to fit on receiver sheets
08/03/1994EP0608405A1 Facsimile transmission in a digital cellular radio network
08/03/1994EP0608368A1 Electro-optical scanning system
08/03/1994EP0503043B1 Color image production apparatus with border color selection
08/03/1994EP0458964B1 Bidirectional hot melt ink jet printing
08/02/1994US5335316 Output method and apparatus
08/02/1994US5335299 Video compression algorithm
08/02/1994US5335295 System and method for scaling a digital image
08/02/1994US5335292 Document processing system and method
08/02/1994US5335267 Apparatus and method for transmitting text data directly to a facsimile machine
08/02/1994US5335225 Communication system and a method for controlling a connection in the communication system
08/02/1994US5335172 Radiation image information processing system
08/02/1994US5335158 High efficiency linear light source
08/02/1994US5335097 Color tone correcting apparatus
08/02/1994US5335096 Method and apparatus for processing images
08/02/1994US5335095 Image forming apparatus capable of editing color image
08/02/1994US5335094 Photoelectric converting device having matrix wiring and read-out of parallel signals as a serial signal
08/02/1994US5335093 Film image reading system
08/02/1994US5335090 Image reading apparatus having detachable optical system
08/02/1994US5335089 Electronic high-fidelity screenless conversion system and method using a separable filter
08/02/1994US5335088 Apparatus and method for encoding halftone images
08/02/1994US5335087 Document acknowledge system having horizontal/vertical-run length smoothing algorithm circuits and a document region divide circuit
08/02/1994US5335086 Method of and apparatus for eliminating pin holes
08/02/1994US5335085 Facsimile apparatus
08/02/1994US5335084 Document image filing system having input color mode selecting capability
08/02/1994US5335083 Circuit substrate holding apparatus for a facsimile