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)
05/1989
05/10/1989EP0315389A2 Data transmission system
05/10/1989EP0315061A2 Method of reading and displaying an image in an information filing apparatus
05/09/1989US4829586 Picture image recording memory control circuit
05/09/1989US4829584 Image input system
05/09/1989US4829559 Facsimile apparatus with a mode for receiving non-image information
05/09/1989US4829524 Data communication apparatus
05/09/1989US4829503 Optical memory
05/09/1989US4829485 Method of reading signals in a charge-storage line sensor in which each storage device is sequentially read and then reset during a subsequent dead time interval
05/09/1989US4829455 Graphics system for video and printed images
05/09/1989US4829453 Apparatus for cataloging and retrieving image data
05/09/1989US4829388 Magnetic recording apparatus
05/09/1989US4829386 Video image recording apparatus
05/09/1989US4829385 Data communication apparatus
05/09/1989US4829379 Picture image signal compensation device
05/09/1989US4829373 Stereo mensuration apparatus
05/09/1989US4829371 Film reading apparatus which reads an unexposed portion of a film to determine its type
05/09/1989US4829370 Method of and apparatus for interactively modifying a high-resolution image wherein a low-resolution modified image is repeatedly displayed at increasingly higher resolutions
05/09/1989US4829368 Solid color pickup apparatus
05/09/1989US4829339 Film printing/reading system
05/09/1989US4829326 Registration system for an electrostic printer/plotter
05/09/1989US4829323 Color image recording apparatus
05/09/1989US4829181 Method of recognizing subdivision pattern of radiation images
05/09/1989US4829180 Radiation image read-out apparatus
05/09/1989US4829175 Light beam scanning apparatus, method of correcting unevenness in scanning lines in light beam scanning apparatus, method of detecting deflection of rotational axis of light beam deflector and rotational axis deflection detecting device
05/09/1989CA1253973A1 Electronic publishing
05/05/1989WO1989004097A1 Input scanner
05/05/1989WO1989004020A1 Dot printer with toner characteristic compensation means
05/05/1989WO1989003770A1 Receiver clamping arrangement for thermal printers
05/05/1989WO1989003767A1 Half-tone image recording apparatus
05/03/1989EP0314203A2 System for enabling descrambling on a selective-subscription basis in a subscriber communication network
05/03/1989EP0314140A2 Image-forming machine
05/03/1989EP0314122A2 Still picture picturephone communication system
05/03/1989EP0313670A1 Method and apparatus for image processing
05/03/1989EP0313612A1 Video image processing.
05/03/1989CN1004114B Photoelectric scanning head
05/02/1989US4827492 Digital imaging system with grey scale setting, especially for the display of blood vessels
05/02/1989US4827481 Laser diode drive system for multione image forming apparatus
05/02/1989US4827434 Method for time modulation in vector film recorders
05/02/1989US4827433 Processing device for changing magnification of image data
05/02/1989US4827355 Reader/recorder assembly in a facsimile system
05/02/1989US4827353 Method of and circuit arrangement for changing the resolution of binary pseudo-halftone pictures
05/02/1989US4827352 Method of and apparatus for changing the pixel density of a binary image using average values calculated from sets of reference pixels selected from the binary image
05/02/1989US4827351 Image reading apparatus with controlled correction for unevenness in illumination
05/02/1989US4827350 Image reading apparatus having a plurality of image sensors
05/02/1989US4827349 Communication terminal device
05/02/1989US4827347 Electronic camera with proofing feature
05/02/1989US4827345 Image readout apparatus
05/02/1989US4827335 Color image reading apparatus with two color separation filters each having two filter elements
05/02/1989US4827330 Automatic document image revision
05/02/1989US4827288 Pattern memory for use in thermal recording
05/02/1989US4827183 CRT with means for monitoring electron beam
05/02/1989US4827129 Sweep device for a storage luminescent screen
05/02/1989US4827126 Light beam scanning apparatus
05/02/1989US4827085 Voice and image teleconferencing system including paperless facsimile means
05/02/1989US4826268 Hologon scanner system
04/1989
04/26/1989EP0313381A2 Image sensor
04/26/1989EP0313319A2 System for electronically controlling led-array image printer
04/26/1989EP0313313A2 Communication system and communication method
04/26/1989EP0313231A2 Light piping substrate for contact type image replication
04/26/1989EP0313042A2 Method and apparatus for radiation image processing and x-ray image processing
04/26/1989EP0312894A2 Communication terminal device
04/26/1989EP0312555A1 Laser beam recording apparatus
04/25/1989US4825465 Exclusionary device for coupling plural telephonic devices to a single central office trunk
04/25/1989US4825463 Automatic dialer for accessing public network directly of via local network
04/25/1989US4825365 Multi-imaging apparatus
04/25/1989US4825324 Still video camera with continuous picture-taking mode
04/25/1989US4825301 Apparatus for encoding and decoding high resolution still images and video images for recording on a standard storage media
04/25/1989US4825298 Halftone dot-generator and generating method
04/25/1989US4825297 Method of and apparatus for electronic contrast enhancement of reproductions of two-dimensional transparent original images
04/25/1989US4825296 Method of and apparatus for copying originals in which an image to be printed is evaluated by observing a corresponding low-resolution video image
04/25/1989US4825295 Image reading apparatus
04/25/1989US4825246 Image processing method and image forming apparatus
04/25/1989US4825065 Apparatus for reading image recorded on film
04/25/1989US4825057 Portable laser diode scanning head
04/25/1989US4824770 Continuous tone color imaging using laser or light emitting diode sources
04/25/1989CA1253248A1 Method for storing video and audio signals on a video disc
04/25/1989CA1253194A1 Piezoelectric laser scanner
04/25/1989CA1253022A1 Laser beam scanning device and marking system
04/20/1989WO1989003630A1 Video display system
04/20/1989WO1989003629A1 Information storage system
04/20/1989WO1989003628A1 Dot printer with token bit selection of data latching
04/20/1989WO1989003626A1 Voice/data switch
04/20/1989WO1989003578A1 Devices and process for producing microfilm and microfiche records
04/19/1989EP0312301A2 Image processing apparatus
04/19/1989EP0312082A2 Image forming method using secondary electrons from object
04/19/1989EP0311821A2 Device for transporting documents
04/19/1989EP0311678A1 Thermal printer
04/19/1989EP0311667A1 An aperture card plotter
04/18/1989US4823395 Image information recognition apparatus
04/18/1989US4823376 Time limited data communication system
04/18/1989US4823375 Data communication apparatus cupable of disabling an output component when output of a type provided by that component is unnecessary
04/18/1989US4823289 Positioning originals on an original scanning drum of an image reproducing system
04/18/1989US4823284 High speed VLSI based serial to multiplexed data translator
04/18/1989US4823204 Detecting the position of a sprocket hole
04/18/1989US4823202 Optical beam-splitting arrangements on image side of a lens
04/18/1989US4823200 Camera for flash photography having an image recording system
04/18/1989US4823199 Still video adapter device detachable to a camera body
04/18/1989US4823197 Recording apparatus and reproducing apparatus
04/18/1989US4823196 Image storage and retrieval apparatus
04/18/1989US4823195 Recording apparatus
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