Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
12/1994
12/15/1994DE4320515C1 Device for detecting the scan start of a laser printer
12/14/1994EP0629079A1 Halftone images using printed symbols modelling
12/14/1994EP0629078A1 Apparatus for processing and reproducing image information
12/14/1994EP0629077A2 Intelligent facsimile user interface and method of use
12/14/1994EP0629076A2 Facsimile user interface and method of use
12/14/1994EP0629075A2 electronic viewer and film carrier
12/14/1994EP0629074A2 Rotary scanner
12/14/1994EP0629073A1 Facsimile apparatus
12/14/1994EP0628924A2 Binary circuit and image pick-up apparatus including such binary circuit
12/14/1994EP0628922A1 Image forming method and image recording device for performing this method
12/14/1994EP0628887A2 Image forming apparatus
12/14/1994EP0628232A1 Fractal coding of data
12/14/1994EP0628191A1 A device for and method of reproducing digital image data.
12/14/1994EP0495914B1 Color digital halftoning with vector error diffusion
12/14/1994CN1096409A Automatic monitoring system and method for facsimile signal in city telephone network
12/14/1994CN1096251A Recording method for gradation recording with light and dark colored inks and apparatus therefor
12/13/1994US5373569 Apparatus for realtime detection of digitalized image defects and their correction in the visualization process
12/13/1994US5373455 Positive feedback error diffusion signal processing
12/13/1994US5373376 Method for processing color values for reproduction scale modification and shapness correction in reproduction of color originals
12/13/1994US5373375 Metric conversion mechanism for digital images in a hierarchical, multi-resolution, multi-use environment
12/13/1994US5373374 System for positioning multiple filters in a color raster input scanner
12/13/1994US5373373 Scanning apparatus
12/13/1994US5373372 Method and an apparatus for limited variable speed scanning
12/13/1994US5373371 Image processing apparatus
12/13/1994US5373355 Imperfect register correcting method to be carried out on a multicolor image forming apparatus
12/13/1994US5373349 Image forming apparatus
12/13/1994US5373347 Staggered multiple CRT's in a photographic process printer
12/13/1994US5373323 Interlaced to non-interlaced scan converter with reduced buffer memory
12/13/1994US5373316 Video conference device with facsimile function
12/13/1994US5373313 Color xerographic printing system with multiple wavelength, single optical system ROS and multiple layer photoreceptor
12/13/1994US5373154 Multisynchronizing signal optical scanning system for dispensing position error
12/13/1994US5372871 Circuit board for optical element
12/08/1994WO1994028537A1 Method and apparatus for processing and subsequently displaying transmitted image data on an active-addressed display device
12/08/1994WO1994028508A1 Method and apparatus for storing compressed data for subsequent presentation on an active addressed display
12/08/1994WO1994028490A1 Image editing system including masking capability
12/08/1994WO1994028488A1 Patterned intensities printer
12/08/1994WO1994028461A1 Device for automatically producing portraits and passport photographs in an automatic photography unit
12/08/1994WO1994028380A1 Bidirectional toning process
12/08/1994DE4418782A1 System and method for adjusting a colour picture
12/08/1994DE4418237A1 Dokumentenlesevorrichtung Document reading device
12/08/1994DE4318896A1 Device for illuminating an area
12/08/1994DE4318822A1 Telefax machine (telefax set, telecopier)
12/08/1994DE4317388A1 Multimedia system unit
12/08/1994CA2124738A1 Facsimile user interface and method of use
12/08/1994CA2124526A1 Facsimile user interface and method of use
12/08/1994CA2123777A1 Facsimile user interface with touch-sensitive display and method of use
12/08/1994CA2123774A1 Intelligent facsimile user interface and method of use
12/07/1994EP0627846A1 Digital color proofing system
12/07/1994EP0627845A2 Image processing method and apparatus
12/07/1994EP0627843A1 Apparatus for securing flexible sheet material to a rotatable drum surface
12/07/1994EP0627842A1 Image pickup device
12/07/1994EP0627693A1 Apparatus for segmenting images composed of textures and segmentation system including such apparatus
12/07/1994EP0627655A1 Image printer
12/07/1994EP0627152A1 Facsimile arrangement.
12/07/1994EP0627151A1 Method and apparatus for dynamic correction of microscopic image signals
12/07/1994EP0402426B1 Dual mode ink jet printer
12/06/1994US5371873 Image data processing terminal equipment coupled to an external device allowing independent use of memory area by the external device
12/06/1994US5371841 Progressive bit plane reconstruction method
12/06/1994US5371817 Multichannel optical waveguide page scanner with individually addressable electro-optic modulators
12/06/1994US5371776 Radiological installation
12/06/1994US5371616 Tonal conversion method of a picture
12/06/1994US5371615 Image-dependent color correction using black point and white point in a natural scene pictorial image
12/06/1994US5371614 Image scanner for film
12/06/1994US5371613 Image reading apparatus
12/06/1994US5371612 Method of and apparatus for forming halftone images
12/06/1994US5371610 Image data processing apparatus
12/06/1994US5371609 Image processing method and apparatus for reducing image degradation
12/06/1994US5371608 Optical scan apparatus having jitter amount measuring means
12/06/1994US5371606 Image encoding apparatus
12/06/1994US5371574 Operation unit control device for image processing apparatus with multiple functions
12/06/1994US5371526 Raster output scanner for a single pass printing system which separates plural laser beams by wavelength and polarization
12/06/1994US5371525 Image head
12/06/1994US5371524 End pulse width modulation for digital image printer with halftone gray scale capability
12/06/1994US5371515 Method and apparatus for non-linear dithering of digital images
12/06/1994US5371361 Optical processing system
12/06/1994US5371356 Document imaging with `doubly-bent` lamps
12/06/1994US5371353 Object detecting device having multiple optical sensors with a common output line and a common selection signal line
12/06/1994US5371347 Electro-optical scanning system with gyrating scan head
12/06/1994US5370976 Reproducing an image by scanning to create color separation, coloring each individal color designed area at a selected screen angles
12/06/1994CA1333421C Method and apparatus for processing display color signal
12/01/1994DE4413013A1 Video interface system
11/1994
11/30/1994EP0626790A1 Segmentation-based JPEG image artifacts reduction
11/30/1994EP0626784A1 Gain-controlled solid-state image pickup device
11/30/1994EP0626783A2 Method and apparatus for determining a gamut boundary and a gamut descriptor
11/30/1994EP0626782A2 Method and apparatus for convex interpolation for color calibration
11/30/1994EP0626781A2 Method and apparatus for mapping between color spaces and creating a three dimensional inverse look-up table
11/30/1994EP0626780A2 Image processing method and apparatus
11/30/1994EP0626779A1 Soft copy display of facsimile images
11/30/1994EP0626778A1 A method and apparatus for improving the display of greys in a two-tone digitised image
11/30/1994EP0626777A1 Image processing apparatus
11/30/1994EP0626776A1 Data message storage and pick up service
11/30/1994EP0626672A2 Method and apparatus for displaying half tones in a ferroelectric liquid crystal display with scanning in units of bands
11/30/1994EP0626624A2 Image forming apparatus assembling method including mounting of outer casing
11/30/1994EP0626611A1 Photographing box
11/30/1994EP0626119A1 Electronic camera with memory card interface to a computer
11/30/1994EP0425583B1 Page memory control in a raster image processor
11/29/1994US5369733 Image processing apparatus with apparatus for adjusting a magnification setting
11/29/1994US5369689 Facsimile apparatus
11/29/1994US5369688 Data communication apparatus with interrupt completion detecting
11/29/1994US5369510 Image processing with controlled under color removal