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US006922634B2
(12) United States Patent (io) Patent No.: US 6,922,634 B2
Odakura et al. (45) Date of Patent: Jul. 26,2005
(54) MEASURING DEVICE, METHOD FOR
CORRECTING MEASURED OUTCOMES,
PROGRAM AND RECORDING MEDIA
(75) Inventors: Atsushi Odakura, Tokyo (JP); Aki
Kariya, Ichikawa (JP); Hiroyuki
Yamamoto, Yokohama (JP); Katsutoshi
Murata, Kunitachi (JP)
(73) Assignee: NTT DoCoMo, Inc., Tokyo (JP)
( * ) Notice: Subject to any disclaimer, the term ol this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.
(21) Appl. No.: 10/155,838
(22) Filed: May 24, 2002
(65) Prior Publication Data
US 2002/0193942 Al Dec. 19, 2002 (30) Foreign Application Priority Data
Jun. 1, 2001 (JP) 2001-167083
(51) Int. CI.7 G01C 21/26
(52) U.S. CI 701/211; 701/209; 455/457;
340/539.13
(58) Field of Search 701/207, 211,
701/300, 208, 209, 212; 455/456.6, 456.3, 457; 340/539.13, 995.16, 995.24, 995.27, 995.14, 995.12, 995.25, 539.2; 342/357.08, 357.09, 357.1, 357.13, 357.17, 457
(56) References Cited
U.S. PATENT DOCUMENTS
4,989,151 A 1/1991 Nuimura
5,155,689 A * 10/1992 Wortham 455/456.3
5,218,367 A * 6/1993 Shelter et al 342/457
5,959,580 A * 9/1999 Maloney et al 342/457
5,995,023 A 11/1999 Kreft
6,140,964 A * 10/2000 Sugiura et al 342/464
6,266,615 Bl * 7/2001 Jin 701/213
6,314,365 Bl * 11/2001 Smith 701/200
6,339,746 Bl * 1/2002 Sugiyama et al 701/209
6,353,798 Bl * 3/2002 Green et al 701/213
6,529,828 Bl * 3/2003 Williams et al 701/213
6,654,683 B2 * 11/2003 Jin et al 701/207
6,674,445 Bl * 1/2004 Chithambaram et al. ... 345/619
6,674,849 Bl * 1/2004 Froeberg 379/201.06
2004/0030493 Al * 2/2004 Pechatnikov et al 701/208
2004/0220726 Al * 11/2004 Jin et al 701/207
FOREIGN PATENT DOCUMENTS
EP 0 306 088 Al 3/1989
EP 1 102 510 Al 5/2001
FR 2 801 158 5/2001
GB 2 298 539 A 9/1996
GB 2 358 515 A 7/2001
JP 2000-161973 A 6/2000
WO WO 99/09374 2/1999
* cited by examiner
Primary Examiner—Michael J. Zanelli
(74) Attorney, Agent, or Firm—Brinks Holer Gilson &
Lione
(57) ABSTRACT
A measuring device, with a display mode able to display separately map elements specified by a user selected from a list ol map elements existing within the error span ol the measured distance ol a location by the help ol which, the user can determine his/her own location and correct the measured distance ol the location.
13 Claims, 11 Drawing Sheets
