Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
08/1987
08/04/1987US4685071 Method for determining the color of a scene illuminant from a color image
08/04/1987US4685069 Heat storage correction apparatus
08/04/1987US4685001 Method for retrieving unedited video still pictures
08/04/1987US4685000 Inhibition of exposure in a video printer upon loss of color filter sync
08/04/1987US4684999 Image reader
08/04/1987US4684998 Image reader suitable for manual scanning
08/04/1987US4684997 Machine for the reading, processing and compression of documents
08/04/1987US4684991 Device for an array of photo diodes arranged in a matrix
08/04/1987US4684979 System for allocating images onto photosensitive materials utilizing flags
08/04/1987US4684978 Correction method of color-separated signals
08/04/1987US4684961 Detachable facsimile print head drive
08/04/1987US4684229 Photographic camera
08/04/1987US4684228 Photosetting apparatus
08/04/1987CA1225167A1 Radiation image recording and reproducing system
08/04/1987CA1225149A1 Method and circuit arrangement for simulating a multi- colored reproduction on a color monitor
07/1987
07/30/1987WO1987004517A1 Image recording apparatus
07/30/1987DE3602043A1 Method for increasing the vertical resolution of documents
07/29/1987EP0230361A2 System and method for adjusting image brightness in electronic printer
07/29/1987EP0230338A2 Image processing system
07/29/1987EP0230077A2 Method and circuit arrangement for production of pseudo-halftone images
07/29/1987EP0230076A2 Method and circuit arrangement for conversion of resolution of binary pseudo-halftone images
07/29/1987EP0229919A2 Flexible image acquisition and processing system
07/28/1987US4683501 Apparatus for reading and reproducing graphic information
07/28/1987US4683500 Method for reproducing picture image
07/28/1987US4683499 Method for generating a pixel synchronizing signal in a picture input scanning apparatus and a reproduction record scanning apparatus and apparatus therefor
07/28/1987US4683492 Method and apparatus for recording a full-color image with a plurality of colorants on the basis of a set of area factors for the colorants selected from a plurality of sets of area factors calculated from a plurality of sets of equations
07/28/1987US4682882 Image recording apparatus
07/28/1987US4682869 Image processing system and method
07/28/1987US4682842 Scanning system with two reflections from scanning surface by mirrors with optical power
07/22/1987EP0229539A2 Color plotter controller
07/22/1987EP0229379A2 Digital picture signal coding/decoding circuit
07/22/1987EP0229361A2 Control circuit for magenta signal processing
07/22/1987CN86100184A Communication mode of non-standard communication mode
07/21/1987US4682244 Optical recording device
07/21/1987US4682243 Magnification ratio conversion in image reproduction
07/21/1987US4682242 Apparatus for image posture correction
07/21/1987US4682241 Data transfer system
07/21/1987US4682235 For converting a two-dimensional image into electronic form
07/21/1987US4682216 Color image picture forming process and apparatus which improves the quality of the black portions of the picture
07/21/1987US4682215 Coding system for image processing apparatus
07/21/1987US4682190 Image processing apparatus for combining image and character data
07/21/1987US4682186 Method for forming a color image
07/21/1987US4682042 Information reading device with driver circuitry separate from sensor board
07/21/1987US4682028 Method of adjusting radiation image read-out conditions
07/21/1987US4681427 Electronic printing method
07/21/1987US4681424 Compensation for fine line prints
07/21/1987US4681394 Light beam scanning system
07/21/1987CA1224560A1 Manuscript reading apparatus
07/21/1987CA1224421A1 Improved method and apparatus for producing half-tone printing forms with rotated screens
07/16/1987DE3608216A1 Device for filing text and picture material by digital video methods and having a reproduction station
07/15/1987EP0228824A1 Image reproduction
07/15/1987EP0228713A2 Optical picture reader
07/15/1987EP0228545A2 A device for detachably attaching a film onto a drum in a drum type picture scanning recording apparatus
07/14/1987US4680647 Method for recording and reproducing video format signal
07/14/1987US4680646 Image forming device for reproducing a half-tone image
07/14/1987US4680645 Method for rendering gray scale images with variable dot sizes
07/14/1987US4680644 Method and apparatus for reading an image
07/14/1987US4680643 Image display apparatus
07/14/1987US4680642 Picture scanning and recording method with selection between two differently processed signals
07/14/1987US4680641 Image processing system
07/14/1987US4680626 Color image processing system for converting analog video-to-digital data
07/14/1987US4680625 Method and apparatus for multicolor image forming
07/14/1987US4680596 Method and apparatus for controlling ink-jet color printing heads
07/14/1987US4680477 Contact type document reading device with uniform line-to-line conductor capacitance
07/08/1987EP0228280A1 Image sensors and methods of manufacturing same
07/08/1987EP0228023A1 Solid-state image sensor with amorphous semiconductor photoconductive cell array
07/08/1987EP0227940A1 Device for transforming ray picture information contained in a memory layer in an electrical-signal sequence
07/08/1987EP0227925A2 Document scanning apparatus
07/08/1987EP0227848A1 Image preprocessing procedure for noise removal
07/08/1987CN86106926A Photoelectric scanning head
07/07/1987US4679229 Ringing detection circuit
07/07/1987US4679155 Method and system for processing image data in reproducing images
07/07/1987US4679096 Image processing apparatus
07/07/1987US4679095 Method and apparatus of scanning and recording image
07/07/1987US4679094 Method for compression and transmission of video information
07/07/1987US4679093 Image communication apparatus
07/07/1987US4679089 Solid state image sensor having an anti-blooming isolation electrode
07/07/1987US4679088 Image sensor with means to adjust capacitance of signal leads
07/07/1987US4679087 Method and apparatus for photographing video images of either polarity without CRT brightness or contrast readjustment
07/07/1987US4679085 Digital integrated electronic storage system for video and audio playback
07/07/1987US4679081 System for coding video signal in block unit
07/07/1987US4679074 Color image processing apparatus with a plurality of addressable characteristic conversion tables for compensating for differences in the spectral characteristics of different input devices
07/07/1987US4679073 Color image reading apparatus with white balance system for controlling the intensity of a light source illuminating a color document
07/07/1987US4679071 Method of recording register marks
07/07/1987US4679070 Method and apparatus for enhancing magenta modulation of a light valve projector
07/07/1987US4679067 Color correction system and method with localized color sampling
07/07/1987US4679057 Laser recording apparatus
07/07/1987US4679055 Method and apparatus for thermal half-tone printing
07/07/1987US4678312 Rotatable head type electrophotographic apparatus, corona charging rotatable head and moveable electrophotographic liquid development processing unit therefor
07/07/1987US4678263 Photo scanner device
07/07/1987CA1223986A1 Multiplexing system
07/07/1987CA1223982A1 Radiation image read-out apparatus
07/07/1987CA1223981A1 Radiation image read-out method
07/07/1987CA1223980A1 Method of adjusting radiation image read-out apparatus
07/07/1987CA1223979A1 Method of adjusting scale factor for radiation image
07/02/1987WO1987003968A1 Light source unit
07/02/1987DE3634262A1 Scanner
07/01/1987EP0227413A2 Apparatus for reproducing images by scanning
07/01/1987EP0227065A2 Electronic imaging copier
07/01/1987EP0227030A1 Apparatus for recording still image with random noise minimized