JPS6454215A - Car navigation system - Google Patents

Car navigation system

Info

Publication number
JPS6454215A
JPS6454215A JP20929487A JP20929487A JPS6454215A JP S6454215 A JPS6454215 A JP S6454215A JP 20929487 A JP20929487 A JP 20929487A JP 20929487 A JP20929487 A JP 20929487A JP S6454215 A JPS6454215 A JP S6454215A
Authority
JP
Japan
Prior art keywords
current position
sensor
vehicle
vehicle speed
speed 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.)
Pending
Application number
JP20929487A
Other languages
Japanese (ja)
Inventor
Junichi Ito
Katsunori Imahori
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.)
Japan Aviation Electronics Industry Ltd
Original Assignee
Japan Aviation Electronics Industry 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 Japan Aviation Electronics Industry Ltd filed Critical Japan Aviation Electronics Industry Ltd
Priority to JP20929487A priority Critical patent/JPS6454215A/en
Publication of JPS6454215A publication Critical patent/JPS6454215A/en
Pending legal-status Critical Current

Links

Landscapes

  • Navigation (AREA)
  • Traffic Control Systems (AREA)

Abstract

PURPOSE:To facilitate the recognition of a running position of a body, by always calibrating output signals of a rate sensor and a vehicle speed sensor to detect a gentle curve of a running course with the correction of the current position of a moving body. CONSTITUTION:In a straight road S on a map, an intersection (b) is determined between a line extending vertically to a speed vector V1 and the straight road S regarding the current position (a) of a vehicle calculated from a rare sensor 12 and a vehicle speed sensor 14. The position of the vehicle and azimuth errors are calculated with a signal processor 18 from a relative position between the current position (a) and the intersection (b). At the same time, the rate sensor 12 and the vehicle speed sensor 14 are calibrated with a signal processor 18 from the tendency of causing errors of the current position an the azimuth errors. A current position data calibrated is displayed continuously on a display 20 in superimposition with the map.
JP20929487A 1987-08-25 1987-08-25 Car navigation system Pending JPS6454215A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20929487A JPS6454215A (en) 1987-08-25 1987-08-25 Car navigation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20929487A JPS6454215A (en) 1987-08-25 1987-08-25 Car navigation system

Publications (1)

Publication Number Publication Date
JPS6454215A true JPS6454215A (en) 1989-03-01

Family

ID=16570561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20929487A Pending JPS6454215A (en) 1987-08-25 1987-08-25 Car navigation system

Country Status (1)

Country Link
JP (1) JPS6454215A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100861646B1 (en) * 2004-09-30 2008-10-07 다이킨 고교 가부시키가이샤 Displacement type expander
US7496446B2 (en) * 2004-06-11 2009-02-24 Nissan Motor Co., Ltd. Driving support system and driving support method with information displayed on a vehicle's windshield

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59191083A (en) * 1983-04-15 1984-10-30 株式会社日立製作所 Operation aid

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59191083A (en) * 1983-04-15 1984-10-30 株式会社日立製作所 Operation aid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7496446B2 (en) * 2004-06-11 2009-02-24 Nissan Motor Co., Ltd. Driving support system and driving support method with information displayed on a vehicle's windshield
KR100861646B1 (en) * 2004-09-30 2008-10-07 다이킨 고교 가부시키가이샤 Displacement type expander

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