Title:
POSITIONING DEVICE, POSITIONING METHOD AND PROGRAM
Document Type and Number:
Japanese Patent JP2017173067
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve accuracy of positioning processing.SOLUTION: A positioning device 1A comprises: a reception antenna 103a that receives one trajectory information transmitted from one positioning satellite S and indicative of a location within a prescribe period of the one positioning satellite, and tries reception of other trajectory information transmitted from other positioning satellite from the one positioning satellite and indicative of a location within other prescribed period of the other positioning satellite; a trajectory information acquisition unit 105d that, when the reception antenna tries the reception of the other trajectory information, but in vain, and the other trajectory information is received by other positioning devices 1B and 1C, or when the other trajectory information received by the other positioning devices is up to date than the other trajectory information received by the reception antenna, acquires the other trajectory information received by the other positioning device; and a positioning unit 103 that performs positioning processing on the basis of the received one detail trajectory information and the acquired other trajectory information.SELECTED DRAWING: Figure 2
Inventors:
SHINGYOJI RYUJI
Application Number:
JP2016057940A
Publication Date:
September 28, 2017
Filing Date:
March 23, 2016
Export Citation:
Assignee:
CASIO COMPUTER CO LTD
International Classes:
G01S19/25; G01S19/28
Domestic Patent References:
| JP2012251947A | 2012-12-20 | |||
| JP2009264928A | 2009-11-12 | |||
| JP2003035763A | 2003-02-07 | |||
| JP2012002623A | 2012-01-05 | |||
| JP2005049296A | 2005-02-24 | |||
| JP2004317298A | 2004-11-11 |
Foreign References:
| US20110163914A1 | 2011-07-07 | |||
| US20140085142A1 | 2014-03-27 |
Attorney, Agent or Firm:
Gwangyang International Patent Office