Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
12/1987
12/17/1987WO1987007805A1 Manually scanned image data processor
12/17/1987WO1987007804A1 Small copying apparatus
12/17/1987WO1987007802A1 Terminal controller
12/16/1987EP0249429A2 Method and apparatus for forming a multi-colour image
12/16/1987EP0249326A1 Apparatus of forming and projecting high precision optical images
12/16/1987EP0249212A2 Hand held manually sweeping printing apparatus
12/16/1987EP0249113A2 Electronic still image camera with enhanced resolution
12/15/1987US4713746 Method for forming pictures
12/15/1987US4713701 Picture producing apparatus using multiple dot forming units and recording materials of different concentrations
12/15/1987US4713699 A method of controlling the movement of a medium to be printed
12/15/1987US4713698 Write-in electronic display recorder
12/15/1987US4713696 Picture block retransmission arrangement rapidly operable even when a transmission path has an inferior quality
12/15/1987US4713690 Sampling clock phase correction circuit of video signal
12/15/1987US4713684 Image processing apparatus for discriminating and processing different formats of color image signals
12/15/1987US4713024 Connector for television distribution equipment
12/15/1987US4712930 Gradation thermal printhead and gradation heat transfer printing apparatus
12/15/1987US4712909 CRT composite image printing method and apparatus
12/15/1987US4712896 Photosetting apparatus
12/15/1987CA1230291A1 Automatic color analysis based on minimum/maximum video level
12/10/1987DE3718775A1 Method for controlling a thermal print head
12/10/1987DE3616978C1 Method and device to output remotely transmitted information
12/09/1987EP0248616A2 Picture printing apparatus
12/09/1987EP0248235A2 Image processing apparatus having function of enlargement and/or shrinkage of image
12/09/1987EP0248204A2 Optical arrangement for the line-wise illumination of scanned originals
12/09/1987EP0248067A1 Method of recording an image
12/09/1987CN87101996A Data compression using block list transform
12/08/1987US4712238 Selective-subscription descrambling
12/08/1987US4712142 Image pickup apparatus with range specification of displayed image
12/08/1987US4712140 Image reduction method
12/08/1987US4712139 Image communication apparatus
12/08/1987US4712137 High density CCD imager
12/08/1987US4712134 Image reader with plural pickup elements reading overlapping image regions of an original image
12/08/1987US4712133 Endoscopic apparatus
12/08/1987US4712117 Adjusting apparatus for laser scanning system with acousto-optical element
12/08/1987US4712116 Means and method of symmetrical energization of individual array LED's for image exposure
12/08/1987US4712009 Apparatus for scanning sheet-shaped recording medium
12/08/1987US4712002 Imaging systems employing apparatus for evenly illuminating objects to be scanned
12/08/1987US4711566 Apparatus for electronic scanning and microfilming of documents
12/08/1987US4711536 Color separating lens composed of three lens units
12/08/1987CA1230175A1 Composite facsimile apparatus
12/08/1987CA1230139A1 Paper feeding apparatus
12/02/1987EP0247912A1 Image reconstruction apparatus using modulation of an incident radiation beam
12/02/1987EP0247830A1 Half-tone reproduction
12/02/1987EP0247772A1 Thermal printers
12/02/1987EP0247742A1 Image reproduction
12/02/1987EP0247179A1 Multitone ink jet printing apparatus.
12/01/1987US4710951 Facsimile system
12/01/1987US4710925 Data communication system
12/01/1987US4710825 Disc recording system with speed control
12/01/1987US4710823 Density conversion in image reproduction
12/01/1987US4710822 Image processing method
12/01/1987US4710821 Image recording apparatus
12/01/1987US4710818 Method of reading image data
12/01/1987US4710816 Picture signal generating apparatus
12/01/1987US4710803 Color filter and color image sensor using the same
12/01/1987US4710785 Process control for electrostatographic machine
12/01/1987US4710783 Temperature compensated continuous tone thermal printer
12/01/1987US4710779 Optical recording apparatus
12/01/1987CA1229937A1 Electronic conference system
11/1987
11/25/1987EP0246872A2 Optical scanning apparatus
11/25/1987EP0246577A2 Electrode structure for a printing head
11/25/1987EP0246481A1 Contact image sensor array
11/25/1987EP0246466A2 Laser computer output microfilm camera
11/25/1987EP0246457A2 Compensation for fine line prints
11/25/1987EP0246287A1 Photo-electric imaging device
11/25/1987EP0246260A1 Installation for visualizing compressed and digitally stored images
11/25/1987CN87103473A Method of and apparatus for recording and/or reproducing picture signal and associated audio signal in/from record carrier and record carrier obtained by means of method
11/24/1987US4709395 Method and apparatus for minimizing errors in the digital processing of electrical signals
11/24/1987US4709274 Image processing apparatus
11/24/1987US4709259 Color image sensor
11/24/1987US4709250 Image forming apparatus
11/24/1987US4709232 Matrix transcoding system in videotext systems
11/24/1987US4709149 Copying machine
11/24/1987US4709147 Image reading apparatus which calculates an original reading domain
11/24/1987US4709144 Color imager utilizing novel trichromatic beamsplitter and photosensor
11/24/1987US4708486 Image-forming apparatus
11/24/1987US4708448 Color picture reproduction with cut-off blue spectrum
11/19/1987WO1987007107A1 Data communication equipment
11/19/1987WO1987007101A1 Concealing reproduced relayed messages
11/19/1987WO1987007042A1 Recirculating document feeder
11/19/1987WO1987007015A1 High resolution photographic film printer
11/19/1987EP0246010A1 Image display
11/19/1987EP0245943A2 Improvements in or relating to electronic graphic systems
11/19/1987EP0245904A1 Method of and apparatus for recording and/or reproducing a picture signal and an associated audio signal in/from a record carrier and record carrier obtained by means of the method
11/19/1987EP0245621A2 Compression of multilevel signals
11/17/1987US4707747 Hand held scanning input device and system
11/17/1987US4707745 Digital copier with document image region decision device
11/17/1987US4707743 Method and apparatus for image conversion with multiple exposures for filtering
11/17/1987US4707729 System for the line-wise compression of binary data of a picture field in a compression device, decompression device for use in such a system, and display device including such a decompression device
11/17/1987US4707715 Printing apparatus
11/17/1987US4707713 Image recording apparatus
11/17/1987US4707710 Method of detecting a drift amount in two-dimensionally scanning a form slide film and a detecting apparatus
11/17/1987US4707709 Image recording apparatus in which exposure levels are a function of image contents
11/17/1987US4707706 Thermal color recording apparatus
11/17/1987US4707615 Solid state image sensor
11/17/1987US4707123 Film end holding device
11/17/1987US4707055 Scanning apparatus
11/17/1987CA1229438A1 Colour display apparatus and method of coding a colour image
11/17/1987CA1229372A1 Anodized aluminum charging devices
11/17/1987CA1229367A1 Cross scan beam positioner for multiple channel laser ros