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WO2008111445A1 - 方位演算プログラム及び電子コンパス - Google Patents

方位演算プログラム及び電子コンパス Download PDF

Info

Publication number
WO2008111445A1
WO2008111445A1 PCT/JP2008/053914 JP2008053914W WO2008111445A1 WO 2008111445 A1 WO2008111445 A1 WO 2008111445A1 JP 2008053914 W JP2008053914 W JP 2008053914W WO 2008111445 A1 WO2008111445 A1 WO 2008111445A1
Authority
WO
WIPO (PCT)
Prior art keywords
direction calculation
calculation program
electronic compass
procedure
magnetic sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2008/053914
Other languages
English (en)
French (fr)
Inventor
Kisei Hirobe
Yukimitsu Yamada
Katsuyuki Kawarada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP2009503985A priority Critical patent/JP4558840B2/ja
Priority to EP08721334A priority patent/EP2136181A4/en
Publication of WO2008111445A1 publication Critical patent/WO2008111445A1/ja
Priority to US12/539,212 priority patent/US8577636B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/0206—Three-component magnetometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/28—Electromagnetic compasses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/38—Testing, calibrating, or compensating of compasses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Position Input By Displaying (AREA)

Abstract

　本発明の方位演算プログラムは、コンピュータにより実行可能であり、磁気センサの出力を用いて方位演算を行う方位演算プログラムであって、三次元空間において磁気センサ部（１１１）の３つの出力値を用いて一つの三角形（２１）を作成する第１手順と、三角形（２１）の外接円（２２）を求める第２手順と、外接円（２２）の中心の座標と磁気センサの出力値とから方位演算する第３手順とを含む。
PCT/JP2008/053914 2007-03-06 2008-03-05 方位演算プログラム及び電子コンパス Ceased WO2008111445A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009503985A JP4558840B2 (ja) 2007-03-06 2008-03-05 電子コンパス
EP08721334A EP2136181A4 (en) 2007-03-06 2008-03-05 DIRECTIONAL CALCULATION PROGRAM AND ELECTRONIC COMPASS
US12/539,212 US8577636B2 (en) 2007-03-06 2009-08-11 Azimuth calculation program and electronic compass

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-055977 2007-03-06
JP2007055977 2007-03-06
JP2007191164 2007-07-23
JP2007-191164 2007-07-23

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/539,212 Continuation US8577636B2 (en) 2007-03-06 2009-08-11 Azimuth calculation program and electronic compass

Publications (1)

Publication Number Publication Date
WO2008111445A1 true WO2008111445A1 (ja) 2008-09-18

Family

ID=39759388

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053914 Ceased WO2008111445A1 (ja) 2007-03-06 2008-03-05 方位演算プログラム及び電子コンパス

Country Status (4)

Country Link
US (1) US8577636B2 (ja)
EP (1) EP2136181A4 (ja)
JP (1) JP4558840B2 (ja)
WO (1) WO2008111445A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8543586B2 (en) * 2010-11-24 2013-09-24 International Business Machines Corporation Determining points of interest using intelligent agents and semantic data
JP5849448B2 (ja) * 2011-06-14 2016-01-27 リコーイメージング株式会社 ３軸電子コンパスを用いた方位測定方法および方位測定装置
JP6430262B2 (ja) * 2015-01-16 2018-11-28 ローム株式会社 オフセット算出装置及びこれを用いた方位角センサ
EP3779497B1 (en) * 2018-03-26 2024-04-03 Alps Alpine Co., Ltd. Position estimation device, position estimation system, position estimation method, and program

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0534156A (ja) * 1992-01-08 1993-02-09 Nissan Motor Co Ltd 車両用方位計
JP2004309228A (ja) 2003-04-03 2004-11-04 Asahi Kasei Electronics Co Ltd 方位角計測装置及び方位角計測プログラム、並びに方位角計測方法
JP2005061969A (ja) * 2003-08-11 2005-03-10 Asahi Kasei Electronics Co Ltd 方位角計測装置及び方位角計測方法
JP2005519278A (ja) * 2002-03-01 2005-06-30 ジェンテックス コーポレイション 電子コンパスシステム
JP2005195410A (ja) * 2004-01-06 2005-07-21 Citizen Watch Co Ltd 電子方位計及び記録媒体
JP2006226810A (ja) * 2005-02-17 2006-08-31 Alps Electric Co Ltd 方位計測装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7149627B2 (en) * 2002-03-01 2006-12-12 Gentex Corporation Electronic compass system
JP4381161B2 (ja) * 2003-03-05 2009-12-09 シチズンホールディングス株式会社 方位測定装置、方位測定方法、および方位測定プログラム
KR100561849B1 (ko) * 2003-11-13 2006-03-16 삼성전자주식회사 이동체의 방위각 보정방법 및 장치
US8065083B2 (en) * 2004-07-23 2011-11-22 Yamaha Corporation Azimuth processing device, azimuth processing method, azimuth processing program, direction finding device, tilt offset correcting method, azimuth measuring method, compass sensor unit, and portable electronic device
JP2006234581A (ja) * 2005-02-24 2006-09-07 Aichi Micro Intelligent Corp 電子コンパス及び方位測定方法
EP1791224A1 (en) * 2005-11-28 2007-05-30 Hon Hai Precision Industry Co., Ltd. Card edge connector
KR20080026395A (ko) * 2006-09-20 2008-03-25 삼성전자주식회사 자기 환경을 고려한 컴퍼스 센서의 교정 방법 및 장치와이를 이용한 방위각 측정 방법 및 장치

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0534156A (ja) * 1992-01-08 1993-02-09 Nissan Motor Co Ltd 車両用方位計
JP2005519278A (ja) * 2002-03-01 2005-06-30 ジェンテックス コーポレイション 電子コンパスシステム
JP2004309228A (ja) 2003-04-03 2004-11-04 Asahi Kasei Electronics Co Ltd 方位角計測装置及び方位角計測プログラム、並びに方位角計測方法
JP2005061969A (ja) * 2003-08-11 2005-03-10 Asahi Kasei Electronics Co Ltd 方位角計測装置及び方位角計測方法
JP2005195410A (ja) * 2004-01-06 2005-07-21 Citizen Watch Co Ltd 電子方位計及び記録媒体
JP2006226810A (ja) * 2005-02-17 2006-08-31 Alps Electric Co Ltd 方位計測装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2136181A4 *

Also Published As

Publication number Publication date
US8577636B2 (en) 2013-11-05
JP4558840B2 (ja) 2010-10-06
EP2136181A4 (en) 2012-12-26
US20090293295A1 (en) 2009-12-03
JPWO2008111445A1 (ja) 2010-06-24
EP2136181A1 (en) 2009-12-23

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