JPH01131114U - - Google Patents
Info
- Publication number
- JPH01131114U JPH01131114U JP2689988U JP2689988U JPH01131114U JP H01131114 U JPH01131114 U JP H01131114U JP 2689988 U JP2689988 U JP 2689988U JP 2689988 U JP2689988 U JP 2689988U JP H01131114 U JPH01131114 U JP H01131114U
- Authority
- JP
- Japan
- Prior art keywords
- center
- communication area
- detection signal
- navigation device
- marker
- 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
- 239000002184 metal Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 239000003550 marker Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Description
第１図は本考案の原理構成を示す模式図、第２
図は本考案の一実施例を示す模式図、第３図は金
属板の設置場所を示す斜視図、第４図は金属探知
機の構成を示すブロツク図、第５図は従来のナビ
ゲーシヨン装置の構成を示す斜視図、第６図は路
上送信機の構成を示すブロツク図、第７図は位置
データのフレーム構成を示すフレームフオーマツ
ト図、第８図はフレームのポーリング方式を示す
信号流れ図、第９図は交信領域が狭い場合のナビ
ゲーシヨン装置の構成を示す斜視図である。
１０……ナビゲーシヨン装置、２０……検知部
、２１……金属探知機、２３……発振部、２７…
…カウンタ、３０……制御部、３１……ＣＰＵ、
４０……記憶部、４１……ＲＯＭ、５０……表示
部、６０……センターマーカ、６１……金属板、
７０……ビーコン、７１……路上送信機、７５…
…路上アンテナ、８０……データ受信部。
Figure 1 is a schematic diagram showing the principle configuration of the present invention, Figure 2
The figure is a schematic diagram showing an embodiment of the present invention, Figure 3 is a perspective view showing the installation location of the metal plate, Figure 4 is a block diagram showing the configuration of a metal detector, and Figure 5 is a conventional navigation device. 6 is a block diagram showing the configuration of the roadside transmitter, FIG. 7 is a frame format diagram showing the frame structure of position data, and FIG. 8 is a signal flow diagram showing the frame polling method. FIG. 9 is a perspective view showing the configuration of the navigation device when the communication area is narrow. DESCRIPTION OF SYMBOLS 10... Navigation device, 20... Detection part, 21... Metal detector, 23... Oscillation part, 27...
...Counter, 30...Control unit, 31...CPU,
40...Storage unit, 41...ROM, 50...Display unit, 60...Center marker, 61...Metal plate,
70...beacon, 71...road transmitter, 75...
...Road antenna, 80...Data receiving section.
Claims (1)
１と、車内に設けられ、該路上送信機７１と共働
して前記交信領域９５の位置データを検出するデ
ータ受信部８０と、前記位置データをマークとし
て表示する表示部５０とを有してなるナビゲーシ
ヨン装置において、 前記交信領域９５のほぼ中央に設置されるセン
ターマーカ６０と、 前記車内に設けられ、該センターマーカ６０を
検知してセンター検知信号Ｓｄを出力する検知部
２０と、 前記センター検知信号Ｓｄに応じて前記表示部
５０を制御する制御部３０とを設け、 該制御部３０は、前記交信領域に入つた後、前
記センター検知信号Ｓｄが出力されると同時に前
記交信領域９５のセンター位置を表示部５０に表
示せしめることを特徴とするナビゲーシヨン装置
。 ２ 前記センターマーカ６０が道路中または道路
面上に設置された金属板６１であり、前記検知部
２０が前記金属板６１を検知する金属探知機２１
であり、前記金属探知機２１から前記センター検
知信号Ｓｄを得る請求項１記載のナビゲーシヨン
装置。[Claims for Utility Model Registration] 1. Roadside transmitter 7 provided in each communication area 95
1, a data receiving section 80 that is provided inside the vehicle and works with the road transmitter 71 to detect position data of the communication area 95, and a display section 50 that displays the position data as a mark. A navigation device comprising: a center marker 60 installed approximately in the center of the communication area 95; a detection unit 20 provided inside the vehicle that detects the center marker 60 and outputs a center detection signal Sd; and a control section 30 that controls the display section 50 according to the detection signal Sd, and the control section 30 controls the communication area 95 at the same time as the center detection signal Sd is output after entering the communication area. A navigation device characterized by displaying a center position on a display unit 50. 2. A metal detector 21 in which the center marker 60 is a metal plate 61 installed in or on the road, and the detection unit 20 detects the metal plate 61.
The navigation device according to claim 1, wherein the center detection signal Sd is obtained from the metal detector 21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2689988U JPH01131114U (en) | 1988-03-02 | 1988-03-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2689988U JPH01131114U (en) | 1988-03-02 | 1988-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01131114U true JPH01131114U (en) | 1989-09-06 |
Family
ID=31248937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2689988U Pending JPH01131114U (en) | 1988-03-02 | 1988-03-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01131114U (en) |
-
1988
- 1988-03-02 JP JP2689988U patent/JPH01131114U/ja active Pending
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