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)
11/1991
11/21/1991EP0456805A1 Dual processor image compressor/expander
11/21/1991EP0456804A1 Method for compressing images by self-organization of a neuronal network
11/21/1991DE4115881A1 Thermally controlled wax transfer printing system - uses thermal head movement and individually controlled heater elements to achieve excellent and consistent picture tone grading
11/21/1991DE4114737A1 Data transmission control for facsimile machine - having data stored in buffer and transferred at one of two speeds
11/19/1991US5067168 Reader for original documents and method
11/19/1991US5067150 Telephone number display device
11/19/1991US5067029 Electronic still camera capable of selecting recording media
11/19/1991US5067028 Image pickup printing device
11/19/1991US5067027 Image data transmission method and apparatus
11/19/1991US5067025 Method of recording halftone dot image
11/19/1991US5067023 Image data coding apparatus
11/19/1991US5067020 Dual sensor film scanner having coupled optics and a video viewfinder
11/19/1991US5066994 Image sensor
11/19/1991US5066962 Laser thermal printer having a light source produced from combined beams
11/19/1991US5066719 Melt blending with trimellitic anhydride salicylate ester, vacuum, polyamideether copolymer compatibilizers
11/19/1991CA2042766A1 Apparatus for generating a screened reproduction of an image
11/19/1991CA2042761A1 Apparatus for generating a screened reproduction of an image
11/15/1991CA2030326A1 Scanner with retractable roller feed
11/14/1991WO1991017627A2 Apparatus and method for grey level printing using a binary architectured printhead
11/14/1991WO1991017626A1 Modulated fiber optic image scanner
11/14/1991WO1991017625A1 Fluorescent radiation collector for image scanner
11/14/1991WO1991017624A1 Modular image sensor array
11/14/1991WO1991017618A1 Data transmission arrangement
11/14/1991WO1991017473A2 Multichannel integrated optics modulator for laser printer
11/14/1991WO1991017466A1 Large format laser scanner with wavelength insensitive scanning mechanism
11/13/1991EP0456478A2 Image communication apparatus
11/13/1991EP0456456A2 Rotating mirror optical scanner with grooved grease bearings
11/13/1991EP0456451A2 Image reading apparatus
11/13/1991EP0456449A2 Image recording apparatus
11/13/1991EP0456369A2 Electronic camera featuring single image processing
11/13/1991EP0456355A2 Laser scanning apparatus
11/13/1991EP0456260A2 A dialing system for automatically setting an abbreviated code
11/13/1991EP0455987A2 Communicating apparatus having dual function of a facsimile and a cordless telephone
11/13/1991EP0455824A1 Frost image recording medium and method and apparatus for preparing and reading frost image
11/13/1991EP0455771A1 Copier with auto scaling, auto paper select, and window scaling.
11/13/1991EP0455750A1 Nonreplicable document and method for making same
11/12/1991US5065447 Method and apparatus for processing digital data
11/12/1991US5065446 Image data coding apparatus
11/12/1991US5065445 Apparatus for expanding and formatting runlength data for multiple exposure beams
11/12/1991US5065441 Image processing apparatus
11/12/1991US5065437 Identification and segmentation of finely textured and solid regions of binary images
11/12/1991US5065427 Fax/data call receiving system and method
11/12/1991US5065426 Facsimile/telephone controller
11/12/1991US5065257 Image processing apparatus with means for compensating for dust., etc., on an original
11/12/1991US5065256 Method of and apparatus for processing image signal
11/12/1991US5065255 Method of and apparatus for smoothing an image having a periodic pattern
11/12/1991US5065254 Facsimile machine and facsimile transmission system
11/12/1991US5065252 Method and apparatus for recording and reproducing picture information enabling the mixing of images of a video format signal and graphic codes recorded on a single recording medium
11/12/1991US5065245 Modular image sensor array
11/12/1991US5065234 Method and apparatus for correcting the color of a printed image
11/12/1991US5065233 Color image forming apparatus
11/12/1991US5065184 Light amount control apparatus
11/12/1991US5065171 Image sensor with uniformly dispersed storage capacitors
11/12/1991US5065168 Head driving pulse generation circuit for thermal recording apparatus
11/12/1991US5065006 Image sensors with simplified chip mounting
11/12/1991US5064260 Optical scanning unit operating under changing temperature and moisture conditions
11/12/1991US5064259 Apparatus for scanning a photo-stimulable phosphor sheet
11/12/1991CA1292075C Information registering and retrieval system
11/10/1991CA2016650A1 Highlighting for photocopiers and facsimile machines
11/09/1991CA2041733A1 Image reading apparatus
11/08/1991CA2041692A1 Laser scanning apparatus
11/07/1991DE4119489A1 Multi-spectral image recorder with image scanner - has narrow band spectral filters, with middle wavelengths distributed over entire visible range
11/07/1991DE4031394C1 Image scanner with photoelectric transducer on carriage of printer - has equalling block, amplifier, A=D converter connected in series between transducer and interface of mechanical printing machine
11/07/1991DE4013411A1 Verfahren zur digitalisierten rasterung einer halbton-bildvorlage A method for screening a digital halftone image template
11/06/1991EP0455250A1 Facsimile apparatus and method for producing variable size and resolution images on a reproduction medium
11/06/1991EP0455220A2 Image sensing apparatus
11/06/1991EP0455157A2 Facsimile apparatus
11/06/1991EP0275294B1 Imaging lens array and optical print head
11/05/1991USH996 High resolution page image display system
11/05/1991US5063608 Adaptive zonal coder
11/05/1991US5063606 Method of and device for detecting an image area in an image processor
11/05/1991US5063590 Acoustic coupler and data transmission apparatus using the same
11/05/1991US5063462 LED array and partitive driving method therefor using overlapping activation periods
11/05/1991US5063460 Electronic camera for line-by-line imaging of documents
11/05/1991US5063459 Facsimile apparatus
11/05/1991US5063458 Electronic still camera with standby switches operable to enable the camera for recording an image upon actuation of a recording switch
11/05/1991US5063450 Method and apparatus for preventing aliasing in an electronic still camera
11/05/1991US5063448 Apparatus and method for transforming a digitized signal of an image
11/05/1991US5063447 Information processing apparatus having a common A/D converter for the image and audio signals
11/05/1991US5063443 Codec system encoding and decoding an image signal at a high speed
11/05/1991US5063407 Method and apparatus for recording image
11/05/1991US5063398 Color image recording apparatus
11/05/1991US5063292 Optical scanner with reduced end of scan wobble having an even number of beam reflections
11/05/1991US5063286 Line image sensor with plural elements arranged at a predetermined pitch according to thermal expansion
11/05/1991CA2041402A1 Facsimile apparatus for producing variable size and resolution images on a reproduction medium
11/05/1991CA1291822C Method and apparatus for processing an image signal
11/05/1991CA1291816C Method of and apparatus for recording and/or reproducing a picture signal and an associated audio signal in/from a record carrier and record carrier obtained by means of the method
10/1991
10/31/1991WO1991016785A1 Process and device for generating a digital printing-colour table for image-reproduction equipment
10/31/1991WO1991016784A2 Printing cylinder engraving
10/31/1991WO1991016783A1 Process of digitally screening half-tone images
10/31/1991WO1991016782A1 Telecopier
10/31/1991WO1991016688A1 Hand-held optical scanner/highlighter
10/31/1991WO1991016663A1 Scanners
10/31/1991DE4013326A1 Telekopiergeraet Telekopiergeraet
10/31/1991CA2040964A1 Rf drive circuit for an ion projection printing head
10/30/1991EP0454503A2 Optical scanners
10/30/1991EP0454495A1 Half-tone image processing system
10/30/1991EP0454479A2 Recording apparatus for performing recording using recording head
10/30/1991EP0454457A2 Image processing apparatus
10/30/1991EP0454454A2 Color image processing apparatus and system
1 ... 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 ... 1429