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1 scan head
"An optical device found in scanners and fax machines that moves across the subject being scanned, converts light and dark areas to electrical signals, and sends those signals to the scanning system for processing."
См. также в других словарях:
electrical scanning — 1. Electronics. a technique for varying the sector covered by a transmitting or receiving antenna by electrical means without moving the antenna. 2. Also called electronic scanning. Television. the technique used in scanning a surface to… … Universalium
electrical scanning — 1. Electronics. a technique for varying the sector covered by a transmitting or receiving antenna by electrical means without moving the antenna. 2. Also called electronic scanning. Television. the technique used in scanning a surface to… … Useful english dictionary
Scanning voltage microscopy — (SVM) sometimes also called nanopotentiometry is a scientific experimental technique based on atomic force microscopy. A conductive probe, usually only a few nanometers wide at the tip, is placed in full contact with an operational electronic or… … Wikipedia
Scanning gate microscopy — (SGM) is a scanning probe microscopy technique with an electrically conductive tip used as a movable gate that couples capacitively to the sample and probes electrical transport on the nanometer scale. Typical samples are mesoscopic devices,… … Wikipedia
Scanning capacitance microscopy — (SCM) is a variety of scanning probe microscopy in which a narrow probe electrode is held just above the surface of a sample and scanned across the sample. SCM characterizes the surface of the sample using information obtained from the change in… … Wikipedia
Scanning electron microscope — These pollen grains taken on an SEM show the characteristic depth of field of SEM micrographs … Wikipedia
Scanning tunneling microscope — Image of reconstruction on a clean Gold(100) surface … Wikipedia
Scanning Helium Ion Microscope — A Scanning Helium Ion Microscope (SHIM) is a new imaging technology based on a scanning helium ion beam. [ [http://nanotechwire.com/news.asp?nid=2120 ntid=121 pg=1 Nanotechwire press release announcing new microscope, retrieved December 13, 2006] … Wikipedia
mechanical scanning — 1. Electronics. a technique for varying the sector covered by a transmitting or receiving antenna by rotating it. 2. Television. a technique, formerly used in televising, for scanning by means of a scanning disk. Cf. electrical scanning. * * * … Universalium
mechanical scanning — 1. Electronics. a technique for varying the sector covered by a transmitting or receiving antenna by rotating it. 2. Television. a technique, formerly used in televising, for scanning by means of a scanning disk. Cf. electrical scanning … Useful english dictionary
electronic scanning. — See electrical scanning (def. 2). * * * … Universalium
