Communications - Scientific Letters of the University of Zilina 2004, 6(4):103-106 | DOI: 10.26552/com.C.2004.4.103-106

Solution of some technical problems in marker and marker locator development

Peter Vestenicky1
1 Department of Control and Information Systems, Faculty of Electrical Engineering, University of Zilina, Slovakia

This paper gives a short description of selected technical problems and their solutions in development of a marker locator. The principle of underground engineering network equipment marking by markers and principle of marker location is explained. Next, mathematical analysis of signal intensity received from an excited marker and its dependence on distance is described. Moreover, influence of over current induced by lightning into a marker is analyzed and practically measured. These facts were used to increase reliability and lifetime of markers.

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Published: December 31, 2004  Show citation

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Vestenicky, P. (2004). Solution of some technical problems in marker and marker locator development. Communications - Scientific Letters of the University of Zilina, 6(4), 103-106. doi: 10.26552/com.C.2004.4.103-106
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    References

    1. GEHRING, U., ROZ, TH.: RFID made easy. EM Microelectronic-Marin SA. Marin, Switzerland, 2000
    2. ETSI EN 300330-1 (V1.3.2) Electromagnetic compatibility and Radio spectrum Matters (ERM); Short Range Devices (SRD); Radio equipment in the frequency range 9 kHz to 25 MHz and inductive loop systems in the frequency range 9 kHz to 30 MHz; Part 1: Technical characteristics and test methods
    3. ROUS, Z.: Overvoltage Protection of telecommunication lines and equipment (in Czech). NADAS, Praha, 1981

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