METHOD OF DETECTING THE POSITIONS OF POLES OF RAILROAD TRANSMISSION LI NE

PURPOSE:To easily and reliably detect the positions of poles of railroad transmission line irrespective of whether they are located in or out of the tunnels or irrespective of day or night, by means of a light projection unit and two lightreceiving units.

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Bibliographische Detailangaben
Hauptverfasser:	HORIKI KENJI, ICHIKAWA MATSUTAROU, ABE SHINJI, UESUGI KENICHI
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	PURPOSE:To easily and reliably detect the positions of poles of railroad transmission line irrespective of whether they are located in or out of the tunnels or irrespective of day or night, by means of a light projection unit and two lightreceiving units.