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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01/03/1995 | US5379059 Adjustment mechanism for equipment converting digital data into a light image |
01/03/1995 | US5379058 Recording apparatus using a thermosensitive recording medium |
01/03/1995 | US5378565 Frost image recording medium and method of and apparatus for forming and reading frost image |
01/03/1995 | US5378563 Method for correcting image density in thermo-optic recording |
01/03/1995 | CA2021851C Combined asynchronous-synchronous document scanner |
01/03/1995 | CA2012574C Facsimile apparatus |
12/31/1994 | CA2127137A1 Internal drum plotter |
12/28/1994 | EP0631431A1 An image processing apparatus for and a method of preparing data representing a colour image |
12/28/1994 | EP0631430A2 Color image processing apparatus capable of suppressing moire |
12/28/1994 | EP0631429A1 Method and apparatus for processing image data |
12/28/1994 | EP0631428A2 Pixel error diffusion method |
12/28/1994 | EP0631427A2 Image processing apparatus |
12/28/1994 | EP0631426A1 Facsimile device |
12/28/1994 | EP0631425A2 Sheet transport apparatus |
12/28/1994 | EP0631392A1 Device for sampling analog signals with selectable sampling frequency |
12/28/1994 | EP0631249A1 Image data processing apparatus |
12/28/1994 | EP0631202A2 Customer schedulable machine quality adjust |
12/28/1994 | EP0630752A2 Ink jet recording method and apparatus |
12/28/1994 | EP0630547A1 Picture data encoding method |
12/28/1994 | EP0630544A1 Image-adaptive process for regulating the length of a quantification interval during image data reduction. |
12/28/1994 | EP0630506A1 Image compression coder having improved bit rate control and block allocation |
12/28/1994 | EP0630490A1 Virtual drum imagesetter |
12/27/1994 | US5377312 Image processing apparatus capable of expanding compressed data |
12/27/1994 | US5377282 Optical inspection system utilizing dynamic analog-to-digital thresholding |
12/27/1994 | US5377260 Telephone circuit to control off-hook status during receipt of caller-ID signal |
12/27/1994 | US5377257 Facsimile receiving method and facsimile apparatus carrying out the method |
12/27/1994 | US5377233 Seam-less data recovery |
12/27/1994 | US5377159 Improved method and circuit for historical control of thermal printing |
12/27/1994 | US5377041 Method and apparatus employing mean preserving spatial modulation for transforming a digital color image signal |
12/27/1994 | US5377025 Optimal color quantization for addressing multi-dimensional color calibration look-up-table |
12/27/1994 | US5377024 Apparatus for forming color images using a hue-plus-gray color model |
12/27/1994 | US5377023 Pictorial image processing system |
12/27/1994 | US5377022 Method and apparatus for page imaging and document movement device |
12/27/1994 | US5377021 Communication apparatus |
12/27/1994 | US5377020 Method and apparatus for scanning an original and updating threshold values for use in the processing of data |
12/27/1994 | US5377019 Document reading apparatus having a function of determining effective document region based on a detected data |
12/27/1994 | US5377018 Video compression and decompression using block selection and subdivision |
12/27/1994 | US5377017 Automatic on-line facsimile confirmation |
12/27/1994 | US5377016 Multi-function image processing system |
12/27/1994 | US5377015 Image processing device for converting a scanned image into a monochrome image |
12/27/1994 | US5377013 Method of simulating color images |
12/27/1994 | US5376994 Compact BI-color electrophotographic image forming apparatus |
12/27/1994 | US5376978 Film-to-tape transfer apparatus |
12/27/1994 | US5376966 Image reading apparatus having a function for correcting dark signals generated in a photoelectric conversion element |
12/27/1994 | US5376965 Electronic imaging system capable of recording/reproducing images with any one of several possible recording media |
12/27/1994 | US5376956 Image forming apparatus |
12/27/1994 | US5376782 Image pickup device providing decreased image lag |
12/22/1994 | WO1994030003A1 Color matching system |
12/22/1994 | WO1994030002A1 Digital image compression using tile subdivision |
12/22/1994 | WO1994030001A1 Method and apparatus for sending facsimiles of double sided pages |
12/22/1994 | WO1994029811A1 Electronic program guide and text channel data controller |
12/22/1994 | WO1994029771A1 Attachment for photocopying three-dimensional objects |
12/22/1994 | DE4421261A1 Bildverarbeitungseinrichtung Image processing device |
12/22/1994 | DE4418903A1 Device for lengthening sensor lines in an opto-electronic camera |
12/22/1994 | DE4319961A1 Telecommunications device |
12/22/1994 | CA2164608A1 Electronic program guide and text channel data controller |
12/22/1994 | CA2162019A1 Digital image compression using tile subdivision |
12/22/1994 | CA2144872A1 Color matching system |
12/21/1994 | EP0630158A1 Coding of analog image signals |
12/21/1994 | EP0630156A1 Interactive television system |
12/21/1994 | EP0630152A2 Photo-electric converter |
12/21/1994 | EP0630150A1 Neural network for color translations |
12/21/1994 | EP0630149A1 Method and apparatus for image processing |
12/21/1994 | EP0630148A1 Recording module |
12/21/1994 | EP0630147A1 An image forming apparatus capable of editing an original image |
12/21/1994 | EP0630146A1 Interactive user support and method using sensors and machine knowledge |
12/21/1994 | EP0630145A1 Digital copier systems |
12/21/1994 | EP0630144A2 Device for providing services in a communication network |
12/21/1994 | EP0630141A2 Computer-based multifunction personal communications system |
12/21/1994 | EP0630133A2 Modem applications of simultaneous analog and digital communication |
12/21/1994 | EP0629973A2 Output apparatus and method |
12/21/1994 | EP0629927A2 Electrostatographic single-pass multiple station printer with register control |
12/21/1994 | EP0629926A2 Image reading apparatus and image processor incorporating the same |
12/21/1994 | EP0629921A1 Electrostatographic printing including the use of colourless toner |
12/21/1994 | EP0629905A2 Image printer |
12/21/1994 | EP0629507A1 Led recording head |
12/21/1994 | EP0629329A1 Telephone network application platform for supporting facsimile applications |
12/21/1994 | CN1096594A 影象印相机 Image printer |
12/20/1994 | US5375205 Method and apparatus for controlling the buffer scan in a printer controller |
12/20/1994 | US5375202 Dispatching and scheduling memory operations in an electronic printing system |
12/20/1994 | US5375197 System and method for automatically distinguishing between graphic information and text information of image data |
12/20/1994 | US5375191 Method for approximating full resolution color printing |
12/20/1994 | US5375160 Interface apparatus for effecting captioning and communications between a telephone line and a television |
12/20/1994 | US5375002 Color error diffusion |
12/20/1994 | US5375001 Method of and apparatus for producing area signals in digital image processing system |
12/20/1994 | US5375000 Method and apparatus for generating representation of an image from a transparency |
12/20/1994 | US5374999 Scan control system |
12/20/1994 | US5374998 Data link control method for controlling receiver and transmitter |
12/20/1994 | US5374997 High addressability error diffusion with minimum mark size |
12/20/1994 | US5374993 Image skew adjustment for a raster output scanning (ROS) system |
12/20/1994 | US5374976 Support provided with a machine detectable copying security element |
12/20/1994 | US5374958 Image compression based on pattern fineness and edge presence |
12/20/1994 | US5374957 Decompression method and apparatus for split level image buffer |
12/20/1994 | US5374950 Image forming apparatus to provide multicolor images |
12/20/1994 | US5374947 Laser beam printer capable of changing scanning density and paper transport speed |
12/20/1994 | US5374945 Gray level printing using a thermal printhead |
12/20/1994 | US5374929 DA converter which combines output of a plurality of low pass filters selectively enabled and disabled by respective electronic switches |
12/20/1994 | US5374047 Sheet feeder |
12/20/1994 | CA1333636C Apparatus and method for transforming a digitized signal of an image |
12/19/1994 | CA2303499A1 A method of forming a drum assembly |