H04N1/042 - CPC Classification

Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof; Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or; Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards Details of the method used

• H04N1/0423 » {Switching between or selecting from a plurality of optical paths} 21
• H04N1/0426 » {using different sized scanning elements, e.g. reproducing different sized dots} 6
• H04N1/0429 » {Varying the size of apertures} 3
• H04N1/0432 » {Varying the magnification of a single lens group} 14
• H04N1/0435 » {Optical element switching, e.g. switching lenses into a single optical path} 5
• H04N1/0437 » {Tilting an array with respect to the main or sub scanning direction} 3
• H04N1/044 » {Tilting an optical element, e.g. a refractive plate } 4
• H04N1/0443 » {Varying the scanning velocity or position} 57
• H04N1/0446 » {Varying the modulation time or intensity} 18
• H04N1/0449 » {using different sets of scanning elements, e.g. for different formats} 19
• H04N1/0455 » {using a single set of scanning elements, e.g. the whole of and a part of an array respectively for different formats} 45

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