Patent ID: 6710776
Filing Date: 2004-03-23
Classification: F16T,G01C

Abstract:
A position finder, comprising:an identification data taking arrangement for taking identification data from each of a plurality of identification devices disposed at locations in a given area, the identification data being uniquely assigned to respective ones of the plurality of identification devices; a first memory for storing information including the identification data relating to the respective ones of the plurality of identification devices; a display including a display screen; and a first display control arrangement for causing an area picture of the given area to be displayed on the display screen and for causing a symbol for each of the plurality of identification devices to be displayed at a location on the area picture corresponding to the location in the given area where the respective one of the plurality of identification devices is disposed, wherein: the first display control arrangement, when the identification data of any one of the plurality of identification devices is taken by the identification data taking arrangement, causes the symbol corresponding to the taken identification data to be displayed in a different manner from other symbols.