Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802) |
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02/24/1987 | US4646355 Method and apparatus for input picture enhancement by removal of undersired dots and voids |
02/24/1987 | US4646252 Color film inspection method |
02/24/1987 | US4646249 Image processing system |
02/24/1987 | US4646172 Video system and method |
02/24/1987 | US4646162 Driving device for facsimile apparatus |
02/24/1987 | US4646160 Facsimile apparatus |
02/24/1987 | US4646155 Image reader for image processing apparatus |
02/24/1987 | US4646144 Method and apparatus for reproducing color separation picture image |
02/24/1987 | US4646134 Apparatus for encoding image signal |
02/24/1987 | US4645955 Signal conversion circuit for photosensor array |
02/24/1987 | US4645336 Method and apparatus for determining the trimmed images of originals for reproduction on printing technology |
02/24/1987 | US4645333 Image forming apparatus |
02/19/1987 | DE3620147A1 Conversion unit for remote-adjustment of ink zones |
02/17/1987 | US4644411 Image sensor |
02/17/1987 | US4644410 Dynamic threshold binary generator |
02/17/1987 | US4644409 Document resolution-adaption method and apparatus |
02/17/1987 | US4644406 Large scale contact type image reading unit using two-dimensional sensor array |
02/17/1987 | US4644392 Method for simultaneously recording a halftone picture portion, a line drawing portion with a desired screen tint, and a boundary portion between them on a plurality of color separations |
02/17/1987 | US4644391 Image information input apparatus for inputting supplemental information to a copying machine |
02/17/1987 | US4644319 Addresser designation character pattern generation apparatus for facsimile transmission |
02/17/1987 | US4644287 Low noise synchronous detection for a charge transfer device |
02/17/1987 | US4644178 Signal processing for optical image sensor |
02/17/1987 | US4644160 System for holding plural light beams in predetermined relative positions |
02/17/1987 | US4644159 Image reading device |
02/17/1987 | US4644155 Reading optical system |
02/17/1987 | US4643563 Color image data processing method |
02/12/1987 | WO1987001000A1 Color imaging apparatus using electro-optic modulators |
02/12/1987 | WO1987000999A2 Document scanning system with multi-camera overlap elimination arrangement |
02/12/1987 | WO1987000998A2 Document scanning system with multi camera mounting and alignment arrangement |
02/12/1987 | WO1987000940A1 Method of printing leaflets and catalogs |
02/10/1987 | US4642703 Information recording-reproducing method and apparatus |
02/10/1987 | US4642701 Device of switching a scanning beam diameter |
02/10/1987 | US4642700 Method of and apparatus for producing video signal associated with photographic image |
02/10/1987 | US4642699 Method of scanning and recording images |
02/10/1987 | US4642698 Method and system for condensing binary image data |
02/10/1987 | US4642697 Facsimile relay device |
02/10/1987 | US4642684 Method and apparatus for detecting and printing color photographic images of scenes exposed with narrow band illuminant |
02/10/1987 | US4642683 Digital image processing method for images with bimodal tone value distribution |
02/10/1987 | US4642681 Color image processing apparatus for generating color output signals and a black output signal in a mutually exclusive manner |
02/10/1987 | US4642680 Method and system for processing image data stored in RGB form |
02/10/1987 | US4642679 Color image reading apparatus |
02/10/1987 | US4642655 Color-indexed dye frames in thermal printers |
02/10/1987 | US4642653 Multi-tone recording method for ink jet printer |
02/10/1987 | US4642622 Video signal generating circuit |
02/10/1987 | US4642472 Optical image reader for reading an image on a given manuscript |
02/10/1987 | US4642462 Method of correcting radiation image read-out error |
02/10/1987 | US4641950 Exposure system |
02/05/1987 | DE3624705A1 Data transmission device |
02/04/1987 | EP0210641A2 Facsimile apparatus |
02/04/1987 | EP0210627A2 Film writing system with closed loop control for electronic images |
02/04/1987 | EP0210618A2 Frequency converter for use in a laser printer |
02/04/1987 | EP0210505A1 Reading device for stimulable phosphor panel |
02/03/1987 | US4641357 Method for reading a document image |
02/03/1987 | US4641267 Gradation correction curve creating method and apparatus |
02/03/1987 | US4641242 Radiation image recording and reproducing system |
02/03/1987 | US4641204 Recording and reproducing system for recording both analogue and digital information on and from a disc |
02/03/1987 | US4641200 Image reproducing apparatus with variable AC bias |
02/03/1987 | US4641199 Image reading apparatus |
02/03/1987 | US4641198 Method of and apparatus for recording video signal associated with photographic image |
02/03/1987 | US4641197 Image processing method or apparatus |
02/03/1987 | US4641185 Image sensing and processing apparatus and method |
02/03/1987 | US4641184 Electronic image scanner and copier system with color matrix image enhancement |
02/03/1987 | US4641156 Recording apparatus with double frequency driven liquid crystal shutter |
02/03/1987 | US4641133 Communication apparatus which alerts operator to preset automatic operation |
02/03/1987 | US4640573 Lens-on-disc type optical scanning apparatus |
02/03/1987 | CA1217384A1 Circuit providing gamma, color and temperature compensation for thermal printer |
01/29/1987 | WO1987000714A1 Process for compressing and expanding structurally associated multiple-data sequences, and arrangements for implementing the process |
01/29/1987 | DE3625281A1 Image processor with colour discrimination - has photoelectric members receiving colour-differentiated image from original document, and standardising members for image signal |
01/29/1987 | DE3526133A1 Method for producing colour pictures |
01/28/1987 | EP0209929A1 Optical scanning device |
01/28/1987 | EP0209834A2 Text and graphics image setting apparatus |
01/28/1987 | EP0209801A1 Hand-operated apparatus for raster scanning line by line |
01/27/1987 | US4639867 Digital fluoroscopy apparatus |
01/27/1987 | US4639791 Image overlay apparatus with electronic image storage |
01/27/1987 | US4639790 Image input apparatus |
01/27/1987 | US4639789 Raster scanner variable-frequency clock circuit |
01/27/1987 | US4639787 Image-scanning apparatus |
01/27/1987 | US4639781 Dynamic gain adjuster for an image scanner |
01/27/1987 | US4639778 Embedding quantization system for vector signals |
01/27/1987 | US4639771 Image processing system |
01/27/1987 | US4639770 Method and circuit arrangement for simulating a multi-colored reproduction on a color monitor |
01/27/1987 | US4639769 Modifying color digital images |
01/27/1987 | US4639747 Recording head drive control apparatus |
01/27/1987 | US4639746 Image recording apparatus |
01/27/1987 | US4639741 Block-divided driving of a thermal printhead |
01/27/1987 | US4639715 Flash analog to digital converter |
01/27/1987 | US4639608 Image read-out apparatus with light source driving means |
01/27/1987 | US4639553 Call signal detecting device |
01/27/1987 | US4639086 Method of recording a halftone image |
01/27/1987 | US4639073 Electro-optic pulse imaging raster output scanner |
01/27/1987 | US4639072 Optical beam scanning apparatus including a cylindrical lens having its opposite ends closer to the scanned plane than its medial portion |
01/27/1987 | CA1217283A1 Radiation image read-out method and apparatus |
01/27/1987 | CA1217266A1 Universal thresholder/discriminator |
01/21/1987 | EP0209422A1 Automatic digitalisation methods and apparatuses for scenes comprising discrete significant elements |
01/21/1987 | EP0209266A1 Improvements relating to colour displays |
01/21/1987 | EP0209186A2 Image recording and readout device based on light-stimulable phosphors |
01/21/1987 | EP0209119A2 Image read-out apparatus |
01/21/1987 | EP0209034A1 Method and apparatus for manufacturing positive copies of positive originals |
01/21/1987 | EP0208919A2 Multicolor sublimation type thermal recording method and device therefor |
01/21/1987 | EP0208852A2 Communication terminal device |