JPS5884518U - In-vehicle current position display device - Google Patents
In-vehicle current position display deviceInfo
- Publication number
- JPS5884518U JPS5884518U JP18017281U JP18017281U JPS5884518U JP S5884518 U JPS5884518 U JP S5884518U JP 18017281 U JP18017281 U JP 18017281U JP 18017281 U JP18017281 U JP 18017281U JP S5884518 U JPS5884518 U JP S5884518U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- current position
- display device
- position display
- 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
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の車載用現在位置表示装置を示すブロック
図、第２図は地磁気センサの動作原理の説明図、第３図
は第１図の装置における動行を説明するための車速及び
地磁気信号の波形図、第４゛図は本考案に係る車載用現
在位置表示装置を示すブロック、図、第５図は第４図の
装置における動作を説明するための車速、地磁気及び傾
斜角度を示す各信号の波形図である。
１・・・・・・地磁気センサ、１ａ・・・・・・Ｘ方向
成分信号、−１ｂ・・・・・・Ｙ方向成分信号、２・・
・・・・車速センサ、３・・・・・・演算回路、４・・
・・・・表示器、５・・・・・・情報入力部、８・・・
・・・波形整形回路、１０．１２・・・・・・増幅器、
１１・・・・・・傾斜角センサ、１３・・・・・・入力
信号切換回路、１４・・・・・・Ａ／Ｄコンバータ、１
５・・・・・・マイクロコンピュータ、１６．１８・・
・・・・インタフェイス回路。尚、図中、同一符号は同
−又は相当部分を示す。Fig. 1 is a block diagram showing a conventional in-vehicle current position display device, Fig. 2 is an explanatory diagram of the operating principle of a geomagnetic sensor, and Fig. 3 is a diagram showing vehicle speed and geomagnetism to explain the operation of the device in Fig. 1. A signal waveform diagram, Fig. 4 is a block diagram showing the vehicle-mounted current position display device according to the present invention, and Fig. 5 shows vehicle speed, geomagnetism, and inclination angle to explain the operation of the device in Fig. 4. FIG. 3 is a waveform diagram of each signal. 1...Geomagnetic sensor, 1a...X direction component signal, -1b...Y direction component signal, 2...
...Vehicle speed sensor, 3...Arithmetic circuit, 4...
... Display unit, 5 ... Information input section, 8 ...
...Waveform shaping circuit, 10.12...Amplifier,
11... Tilt angle sensor, 13... Input signal switching circuit, 14... A/D converter, 1
5...Microcomputer, 16.18...
...Interface circuit. In the drawings, the same reference numerals indicate the same or corresponding parts.
Claims (2)
、車速に比例した周波数のパルスを発生して車速を検出
する車速センサ、これらセンナからの検出信号に基づい
て現在位置を演算する演算回路、この演算回路の演算結
果に基づいて現在位置を表示する表示器を有する車載用
現在位置表示装置において、自動車の登板時と降板時に
おける車体の前後方向の傾斜角を検出する傾斜角センサ
と、この傾斜角センサからの出力信号に基づいで、前記
自動車の登板時と降板時の車体の前後方向への傾斜によ
って生じる前記地磁気センサからの地磁気信号誤差及び
地図に基づいて入力した走行距離と実際の走行距離との
誤差を補正する誤差補正手段とを備えたことを特徴とす
る車載用現在位置表示装置。(1) A geomagnetic sensor for detecting the direction of travel of the vehicle, a vehicle speed sensor for detecting the vehicle speed by generating pulses with a frequency proportional to the vehicle speed, and an arithmetic circuit that calculates the current position based on the detection signals from these sensors. An in-vehicle current position display device having a display device that displays the current position based on the calculation result of the calculation circuit includes a tilt angle sensor that detects the tilt angle of the vehicle body in the longitudinal direction when climbing up and exiting the vehicle; Based on the output signal from the inclination angle sensor, the travel distance input based on the geomagnetic signal error from the geomagnetic sensor and the map, which is caused by the tilt of the vehicle body in the longitudinal direction when the vehicle is climbing up and down, and the actual traveling distance. An in-vehicle current position display device comprising: error correction means for correcting an error in distance.
コンピュータであることを特徴とする実用新案登録請求
の範囲第１項に記載の車載用現在位置表示装置。(2) The vehicle-mounted current position display device according to claim 1, wherein the error correction means is a microcomputer including the arithmetic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18017281U JPS5884518U (en) | 1981-12-01 | 1981-12-01 | In-vehicle current position display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18017281U JPS5884518U (en) | 1981-12-01 | 1981-12-01 | In-vehicle current position display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5884518U true JPS5884518U (en) | 1983-06-08 |
Family
ID=29976526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18017281U Pending JPS5884518U (en) | 1981-12-01 | 1981-12-01 | In-vehicle current position display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5884518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62161014A (en) * | 1986-01-10 | 1987-07-17 | Tokyo Keiki Co Ltd | Apparatus for correcting running direction |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5599016A (en) * | 1979-01-24 | 1980-07-28 | Nippon Telegr & Teleph Corp <Ntt> | Measuring apparatus for position coordinates |
| JPS5637506A (en) * | 1979-09-05 | 1981-04-11 | Janome Sewing Mach Co Ltd | Current position recognizing device of automobile |
-
1981
- 1981-12-01 JP JP18017281U patent/JPS5884518U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5599016A (en) * | 1979-01-24 | 1980-07-28 | Nippon Telegr & Teleph Corp <Ntt> | Measuring apparatus for position coordinates |
| JPS5637506A (en) * | 1979-09-05 | 1981-04-11 | Janome Sewing Mach Co Ltd | Current position recognizing device of automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62161014A (en) * | 1986-01-10 | 1987-07-17 | Tokyo Keiki Co Ltd | Apparatus for correcting running direction |
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