Title:
POSITION MEASURING SYSTEM, LIGHT EMITTING DEVICE THEREIN AND POSITION MEASURING APPARATUS
Document Type and Number:
Japanese Patent JP2002311125
Kind Code:
A
Abstract:
To provide a position measuring system capable of measuring the position even in a building.
The position measuring system comprises a plurality of markers 2a-2d disposed in a specified space for emitting lights in characteristics corresponding to different identifying information given to the markers, and a position measuring unit 3 for specifying own position of a sensor upon receipt of the lights from the markers 2a-2d, based on position information of the received lights.
Inventors:
AKATSUKA MITSURU
Application Number:
JP2001114651A
Publication Date:
October 23, 2002
Filing Date:
April 12, 2001
Export Citation:
Assignee:
SONY CORP
International Classes:
G01S5/16; (IPC1-7): G01S5/16
Attorney, Agent or Firm:
Mitsuru Oba (1 person outside)
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