Patent · US Expired

Operator guiding system

US7222021B2 · kind B2 · utility

58Cited by
21References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 2002
Grant dateMay 22, 2007
Priority date
Expiry dateJun 28, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C15/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A base station is installed in a predetermined area where a large number of target points are studded around the station. When the operator moves a mobile station around the base station, display means is provided for both or either of the base station that guides the operator and the mobile station, and a display screen of the display means displays 2 kinds of a Forward (foreground) mode and a Back (background) mode. In the Forward (foreground) mode, the display screen of the display means displays a landscape in a forward direction (opposite direction to the mobile station by 180° when seen from the base station) of the operator (mobile station) when the operator sees the base station from the current position of the mobile station, or from the next target point if the operator reaches the next target point. In the Back (backward) mode, the display screen of the display means displays the landscape in a backward direction (direction of the operator and the mobile station when seen from the base station) of the operator (mobile station) when the operator sees the base station from the current position of the mobile station, or from the next target point if the operator reaches the…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.