Title:
位置決定方法および位置決定装置
Document Type and Number:
Japanese Patent JP2011521253
Kind Code:
A
Abstract:
A file creation method comprising: creating file content at a particular location and time using a portable device; and obtaining data from wireless communication devices detectable by the portable device at the particular location and time thereby to obtain a set of data. The set of data identifies or enables identification of the wireless communication devices. The method further comprises associating the set of data and time with the file content to enable subsequent analysis to determine the particular location using a time-dependent database.
Inventors:
Chris, Marshall
Graham, Thomason
Graham, Thomason
Application Number:
JP2011510054A
Publication Date:
July 21, 2011
Filing Date:
May 22, 2009
Export Citation:
Assignee:
U-BLOX A.G.
International Classes:
G01S19/46; G01S5/02; H04W4/02
Domestic Patent References:
| JP2008519495A | 2008-06-05 | |||
| JP2011523126A | 2011-08-04 | |||
| JPH11262047A | 1999-09-24 | |||
| JP2008519495A | 2008-06-05 | |||
| JP2011523126A | 2011-08-04 |
Foreign References:
| US20030220116A1 | 2003-11-27 | |||
| WO1999031824A1 | 1999-06-24 | |||
| WO2006110181A2 | 2006-10-19 | |||
| US20030220116A1 | 2003-11-27 |
Attorney, Agent or Firm:
Hirohito Katsunuma
Yasukazu Sato
Yasushi Kawasaki
Takeshi Sekine
Akaoka Akira
Suzuki Junsei
Yasukazu Sato
Yasushi Kawasaki
Takeshi Sekine
Akaoka Akira
Suzuki Junsei