JPH0263414U - - Google Patents
Info
- Publication number
- JPH0263414U JPH0263414U JP14254888U JP14254888U JPH0263414U JP H0263414 U JPH0263414 U JP H0263414U JP 14254888 U JP14254888 U JP 14254888U JP 14254888 U JP14254888 U JP 14254888U JP H0263414 U JPH0263414 U JP H0263414U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- data
- geomagnetic sensor
- reliability
- current location
- 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
Links
- 238000010586 diagram Methods 0.000 description 1
Description
図面は本考案に関する車載用航法装置の一実施
例を示し、第１図は回路構成図、第２図は第１図
に示した中央処理装置の動作を説明するためのフ
ローチヤートである。
主要部分を示す図面の符号の説明、１……車載
用航法装置、２……中央処理装置、３……車速セ
ンサ、４……地磁気センサ、５……記憶装置、６
……デイスプレイ装置、７……地図情報記録媒体
。
The drawings show an embodiment of an on-vehicle navigation system according to the present invention, with FIG. 1 being a circuit diagram and FIG. 2 being a flowchart for explaining the operation of the central processing unit shown in FIG. 1. Explanation of symbols in drawings showing main parts, 1... Vehicle navigation device, 2... Central processing unit, 3... Vehicle speed sensor, 4... Geomagnetic sensor, 5... Storage device, 6
...Display device, 7...Map information recording medium.
Claims (1)
データに基づいて表示装置に呼び出した地図情報
上に車両の推定現在地を表示し、車両の航行案内
とする車載用航法装置であつて、前記地磁気セン
サの精度を変化させる要因から地磁気センサから
のデータの信頼度を判定する手段を設けるととも
に、地磁気センサからのデータを信頼度に応じて
車両の推定現在地の算出に利用する手段を設けた
ことを特徴とする車載用航法装置。 An in-vehicle navigation device that displays the estimated current location of the vehicle on map information called up on a display device based on data from a geomagnetic sensor that detects the running direction of the vehicle, and provides navigation guidance for the vehicle, The present invention is characterized by providing a means for determining the reliability of data from the geomagnetic sensor based on factors that change the accuracy, and a means for using the data from the geomagnetic sensor to calculate the estimated current location of the vehicle according to the reliability. In-vehicle navigation equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14254888U JPH0263414U (en) | 1988-10-31 | 1988-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14254888U JPH0263414U (en) | 1988-10-31 | 1988-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0263414U true JPH0263414U (en) | 1990-05-11 |
Family
ID=31408600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14254888U Pending JPH0263414U (en) | 1988-10-31 | 1988-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0263414U (en) |
-
1988
- 1988-10-31 JP JP14254888U patent/JPH0263414U/ja active Pending
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