Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
11/1993
11/23/1993US5264870 Image forming apparatus
11/23/1993US5264869 Electro-optical control apparatus and system for spot position control in an optical output device
11/23/1993US5264847 Data decoder
11/23/1993CA1324693C Facsimile distribution system and method
11/23/1993CA1324654C Method and system for compressing color video data
11/18/1993EP0570320A2 Method of and apparatus for providing automatic detection and processing of an empty multimedia data object
11/18/1993EP0570258A1 Method of forming a composite image starting from two different images
11/18/1993EP0570162A2 Record document authentication by microscopic grain structure and method
11/18/1993EP0570154A1 Laser marking apparatus
11/18/1993EP0570146A1 Full color image output terminal interface
11/18/1993EP0570139A2 Method for forming colour images using hue-plus-gray colour model and error diffusion
11/18/1993EP0569967A1 Sheet feeding apparatus
11/18/1993EP0569965A1 Sheet feeding apparatus
11/18/1993EP0569657A1 Apparatus for detection and correction of digitalized image defects
11/18/1993EP0423309B1 Electronic still camera utilizing image compression and digital storage
11/16/1993US5263129 Manual sheet production and utilization apparatus
11/16/1993US5263128 Method and apparatus for beat elimination for an RF signal modulated with a pulsed signal of similar frequency
11/16/1993US5263101 Optical scanner filter screen
11/16/1993US5263100 Image coding method and apparatus
11/16/1993US5263088 Adaptive bit assignment transform coding according to power distribution of transform coefficients
11/16/1993US5263078 Mobile facsimile telecommunications system capable of automatically off-hooking a facsimile device
11/16/1993US5262937 Technique for precise color-to-color registration in thermal printers
11/16/1993US5262878 Method and apparatus for compressing digital still picture signals
11/16/1993US5262877 Image and voice editing system for allowing various images and voices to be reproduced as associated with each other
11/16/1993US5262873 Image signal correcting in image data processing requiring only small memory capacity
11/16/1993US5262870 Image sensor in which reading and resetting are simultaneously performed
11/16/1993US5262868 Digital electronic still camera with function alarming low voltage of built-in battery of memory card
11/16/1993US5262867 Electronic camera and device for panoramic imaging and object searching
11/16/1993US5262851 Facsimile apparatus capable of distinguishing the communication from a particular transmitter
11/16/1993US5262850 Photoelectric converting device having reduced line sensor space
11/16/1993US5262833 Image forming apparatus and method
11/16/1993US5262832 Color separation optical system for use in color copying machine
11/16/1993US5262801 Image recording apparatus
11/16/1993US5262798 Exposure and printing device
11/16/1993US5262634 Optical sensor unit using multiple elastic retainers
11/16/1993US5262631 Color image reading apparatus
11/16/1993US5261985 Method for receiving confidential facsimile documents
11/16/1993US5261326 Method to modify a printer cartridge to function in a fax machine
11/16/1993CA1324435C Highly efficient coding apparatus
11/16/1993CA1324433C Hand scanner type image input/output device
11/14/1993CA2096095A1 Method for producing a composite image from two different images
11/11/1993WO1993022874A1 Product information storage, display, and coupon dispensing system
11/11/1993WO1993022871A1 Method and system of color halftone reproduction
11/11/1993WO1993022870A1 Information router
11/11/1993WO1993022764A1 Device for the optical scanning of a recording medium, especially a phosphor storage plate
11/10/1993EP0569218A2 Circuit for rotating a ditigal image
11/10/1993EP0569206A2 Apparatus for forming colour images using a hue-plus-gray colour model
11/10/1993EP0569142A1 System and method for image recovery
11/10/1993EP0569063A1 Automatic offset and gain control in a document scanner
11/10/1993EP0568829A2 Image forming apparatus
11/10/1993EP0568697A1 Method of correcting shading and device therefor
11/10/1993EP0568681A1 Document image compression system and method.
11/10/1993EP0213189B1 Document resolution-adaption method and apparatus
11/09/1993US5261050 Apparatus for processing a digital image for window width, level and curve shape
11/09/1993US5261049 Video RAM architecture incorporating hardware decompression
11/09/1993US5261048 Still image filing system
11/09/1993US5261047 Bus arbitration scheme for facilitating operation of a printing apparatus
11/09/1993US5261046 Resequencing line store device
11/09/1993US5261013 Photoelectric converter and image reading apparatus mounting the same
11/09/1993US5260991 Facsimile apparatus
11/09/1993US5260837 Portable television camera-recorder and method for operating same
11/09/1993US5260813 Image reading apparatus in which a series of semiconductor chips are electrically connected to each other
11/09/1993US5260812 Clock recovery circuit
11/09/1993US5260811 Image scanning apparatus having motor operating under improved drive control
11/09/1993US5260810 Image processing apparatus with improved dithering scheme
11/09/1993US5260809 Shading-compensation method and device in image processing
11/09/1993US5260807 For reproducing an original image
11/09/1993US5260806 Process for controlling tone reproduction
11/09/1993US5260805 Process for identifying programming conflicts in electronic printing systems
11/09/1993US5260804 Image processing apparatus having frame erasure capability
11/09/1993US5260803 Facsimile device
11/09/1993US5260802 Facsimile apparatus
11/09/1993US5260799 Pulsed imaging, pulse width modulation scanner for a tri-level highlight color imaging system
11/09/1993US5260795 Electronic still camera having remote control device
11/09/1993US5260782 Adaptive DCT/DPCM video signal coding method
11/09/1993US5260778 Apparatus for selective distribution of messages over a communications network
11/09/1993US5260777 Apparatus for reproducing visible color image from color separations
11/09/1993US5260776 Image recording/reproducing apparatus wherein digital color processing means includes a ROM for storing processor programs
11/09/1993US5260743 Electrophotographic apparatus including an attachment device for enabling the apparatus to perform additional functions
11/09/1993US5260738 Camera device and method for supplying a reduced level of energy to a charging device while energy is supplied to a secondary device
11/09/1993US5260725 Method and apparatus for registration of sequential images in a single pass, color xerographic printer
11/09/1993US5260722 Method and apparatus for advancing a carriage by fluid displacement
11/09/1993US5260721 Precision lead screw drive assembly
11/09/1993US5260720 Image formation system
11/09/1993US5260718 Liquid crystal shutter xerographic printer with offset configuration lamp aperture and copier/printer with optically aligned lamps, image bars, and lenses
11/09/1993US5260570 Laser beam scanning system utilized in an image forming apparatus
11/09/1993US5260561 In a laser imaging system
11/09/1993US5259607 Automatic paper feeding device
11/09/1993CA1324215C Printer having reversible driving mechanism
11/09/1993CA1324214C Optical reader head with video compensation method and circuit
11/09/1993CA1324194C Scanner
11/09/1993CA1324026C Halftone printing system
11/04/1993DE4309878A1 Image gradation analysis and correction using image segment histograms
11/04/1993DE4217050C1 Image digitiser for electromagnetically recorded image e.g. for digital radiography - corrects detected image signals for optical density of image carrier medium
11/03/1993EP0568468A2 Integrated automatic installation for realising photographs or sequences of photographs
11/03/1993EP0568357A2 Graphics system
11/03/1993EP0568283A1 Recording apparatus and recording method
11/03/1993EP0568255A1 Image forming apparatus
11/03/1993EP0568161A1 Interctive desktop system
11/03/1993EP0568140A1 An automated form handling and generating system and a form sheet associated to said system
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