Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
02/1995
02/21/1995US5392136 Facsimile apparatus
02/21/1995US5392135 Image reading apparatus having different reading speeds
02/21/1995US5392133 Image communication apparatus
02/21/1995US5392132 Facsimile machine
02/21/1995US5392131 Facsimile machine having function of retrieving stored domuments waiting for transmission
02/21/1995US5392129 Digital VCR signal processing apparatus for concealing uncorrectable errors
02/21/1995US5392128 Still video device that records/reproduces a plurality of identical signals
02/21/1995US5392109 Compact scanner
02/21/1995US5392101 Shading compensation device for an image forming apparatus
02/21/1995US5392100 Imaging device having dual scanners
02/21/1995US5392095 In an image forming apparatus
02/21/1995US5392080 Method and apparatus for an integrating sphere lamphouse
02/21/1995US5392076 Video signal processing device for printing video data with higher picture quality in a divisional frame printing mode
02/21/1995US5392060 Half tone laser recording apparatus
02/21/1995US5392038 Serial data decoding for variable length code words
02/21/1995US5391867 Wide format scanner having a linear scanning element with a selectable orientation
02/21/1995US5391443 Processing imagewise exposed photographic element to produce spectrally non-coextensive images, scanning images, deriving image records corresponding to latent images
02/21/1995US5391009 Single motor actuation for automatic stack feeder system in a hardcopy device
02/21/1995US5390906 Paper supplying device
02/21/1995CA2030110C Facsimile device having self-diagnostic function and maintenance and control method thereof
02/21/1995CA1334490C Jitter reduction in rotating polygon scanning systems
02/20/1995CA2130392A1 Catv systems
02/16/1995WO1995005048A1 Method and device for faxing mobile stations
02/16/1995WO1995004987A1 Object-oriented palette system
02/16/1995DE4422837A1 Image data processing system
02/16/1995DE4410459A1 Electronic signature method in data transmission
02/16/1995CA2149869A1 Object-oriented palette system
02/15/1995EP0639028A1 Improved output circuit for charge transfer devices
02/15/1995EP0639027A1 Color film analyzing method and apparatus therefore
02/15/1995EP0639026A1 Color film analyzing method and apparatus therefore
02/15/1995EP0639025A1 Color film analyzing method and apparatus therefore
02/15/1995EP0639024A1 Apparatus and method for screening images for reproduction
02/15/1995EP0639023A1 Frequency-modulation halftone screen and method for making same
02/15/1995EP0639022A1 Printing device with controllable printing speed
02/15/1995EP0638839A2 Photosensitive material processing apparatus
02/15/1995EP0638218A1 Methods and apparatus for preventing rounding errors when transform coefficients representing a motion picture signal are inversely transformed
02/15/1995EP0638217A1 Information router
02/15/1995EP0548097B1 Process for reducing the quantity of ink applied to recording substrates by ink writing devices
02/15/1995CN1098840A TV communicating moniting system
02/15/1995CN1098834A Data broadcasting system
02/15/1995CN1098795A Electrostatographic singlepass multiple station printer with register control
02/14/1995US5390290 Printing method for use with dot printer
02/14/1995US5390264 Image processing method for correcting a target pixel using emphasizing and smoothing components
02/14/1995US5390263 Method and apparatus for context sensitive post processing to select an appropriate modulation pattern for a pixel based upon neighboring pixels
02/14/1995US5390262 Method for splitting and configuring a multi-channel image processing system
02/14/1995US5390036 Color image reproduction of scenes with preferential tone mapping
02/14/1995US5390035 Method and means for tetrahedron/octahedron packing and tetrahedron extraction for function approximation
02/14/1995US5390034 Color image processing method and apparatus with chrominance emphasizing process
02/14/1995US5390033 Method and apparatus for turning over pages of book-original
02/14/1995US5390032 Image reader having photoelectric conversion line sensors
02/14/1995US5390031 Control information format construction used in transmitting image information
02/14/1995US5390030 Peak holding circuit and video processing unit using the same
02/14/1995US5390029 Method for controlling the processing of digital image signals
02/14/1995US5390020 Video amplifier stabilization for CRT printing
02/14/1995US5390003 Copying system for preventing copying of copy-prohibited images
02/14/1995US5389985 Image recording apparatus and rearview CRT therefor
02/14/1995US5389966 Film image input system for reproducing a film image on a T.V. screen
02/14/1995US5389955 Image forming apparatus directly correcting an image data in response to changes in image potential data
02/14/1995US5389953 Non-impact printer module with improved burn-in testing capability and method using same
02/14/1995US5389503 Photographic elements for producing blue, green, and red exposure records of the same hue
02/14/1995US5389487 Developing electrostatic latent image using nonmagnetic one component developer containing binder resin and release agent having specified properties
02/14/1995CA2023426C Facsimile communication apparatus
02/09/1995WO1995004434A1 Method and apparatus for compression and decompression of digital color images
02/09/1995WO1995004428A1 Apparatus and method for creating and transmitting confidential documents
02/09/1995WO1995004426A1 Information distribution system
02/09/1995DE4427851A1 Rotating drum scanning device
02/09/1995DE4340968C1 ISDN terminal with a test routine
02/09/1995CA2168027A1 Method and apparatus for compression and decompression of digital color images
02/08/1995EP0637886A2 Method of preparing a color image
02/08/1995EP0637885A1 Scanning device with resonant light deflector
02/08/1995EP0637732A1 Method and apparatus for identifying the color of an image
02/08/1995EP0637731A1 Method of color reproduction, method of reproducing a coating color, and method of selecting a coating color
02/08/1995CN1098530A Equipment and method for output of information
02/08/1995CN1098359A Sheet transport apparatus
02/07/1995US5388204 Method of and apparatus for combining linework data
02/07/1995US5388192 Image layout processing method and apparatus
02/07/1995US5388167 Document image processing system and document image processing method
02/07/1995US5388158 Secure document and method and apparatus for producing and authenticating same
02/07/1995US5387995 Optical positioning system for at least one picture element
02/07/1995US5387988 Image signal processing apparatus and image formation apparatus including the same
02/07/1995US5387987 Method and apparatus for reproducing half-tone images
02/07/1995US5387986 Integrated edit board and document scanner
02/07/1995US5387985 Non-integer image resolution conversion using statistically generated look-up tables
02/07/1995US5387984 Facsimile transmission method of transferring a multi-color original image and apparatus thereof
02/07/1995US5387983 Facsimile apparatus comprising converting means for converting binary image data into multi-value image data and image processing apparatus judging pseudo half-tone image
02/07/1995US5387982 Apparatus for performing inverse discrete cosine transform
02/07/1995US5387981 Facsimile communication with selective call receivers
02/07/1995US5387980 Device for sending and receiving graphical documents via teletetransmission lines
02/07/1995US5387941 Data with video transmitter
02/07/1995US5387926 High speed digital framing camera
02/07/1995CA2038514C Shared facsimile-telephone communication device
02/07/1995CA2038486C Method and system for enhancing the quality of both color and black and white images produced by ink jet and electrophotographic printers
02/07/1995CA2008370C Compression of binary halftones
02/07/1995CA2004230C Image reading system
02/02/1995WO1995003673A1 Bit budget estimation method and device for variable word length encoders
02/02/1995WO1995003669A1 Active raster image duplicating processor
02/02/1995WO1995003667A1 Facsimile services in a rf communication system
02/02/1995WO1995003582A1 Apparatus, method and system for printing of legal currency and negotiable instruments
02/02/1995WO1995003571A1 Apparatus for adding modem capabilities to a computer system equipped with a digital signal processor
02/02/1995DE4426418A1 Method and device for scanning and recording images