JPH0439752U - - Google Patents
Info
- Publication number
- JPH0439752U JPH0439752U JP8177090U JP8177090U JPH0439752U JP H0439752 U JPH0439752 U JP H0439752U JP 8177090 U JP8177090 U JP 8177090U JP 8177090 U JP8177090 U JP 8177090U JP H0439752 U JPH0439752 U JP H0439752U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- antenna
- shaped antenna
- signal
- shaped
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000010363 phase shift Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Near-Field Transmission Systems (AREA)
Description
第１図は本考案に係る移動体の情報伝送装置の
構成を示す図、第２図はその主要部であるアンテ
ナの結合状態を示す図、第３図は枠形アンテナ装
置の受信状態を説明する図、第４図は第２図にお
ける枠形アンテナ装置の別の実施例を示す図、第
５図は枠形アンテナ装置の相互干渉を説明する図
、第６図及び第７図は本考案の具体的な実施例を
示す図、第８図は従来の情報伝送装置の構成をを
示す図、第９図は別の方式に係る従来の情報伝送
装置の構成を示す図である。
１……地上装置、１１……ループアンテナ装置
、１２……地上送受信装置、２……車上装置、２
１……枠形アンテナ装置、２１１……第１の枠形
アンテナ、２１２……第２の枠形アンテナ、２２
……移相装置、２２１……移相回路、２３……車
上送受信装置、３……軌道、４……移動体。
Fig. 1 is a diagram showing the configuration of a mobile information transmission device according to the present invention, Fig. 2 is a diagram showing the coupling state of the main part of the antenna, and Fig. 3 is a diagram showing the reception state of the frame-shaped antenna device. FIG. 4 is a diagram showing another embodiment of the frame antenna device in FIG. 2, FIG. 5 is a diagram explaining mutual interference of the frame antenna device, and FIGS. FIG. 8 is a diagram showing the configuration of a conventional information transmission device, and FIG. 9 is a diagram showing the configuration of a conventional information transmission device according to another method. 1... Ground device, 11... Loop antenna device, 12... Ground transceiver device, 2... On-vehicle device, 2
DESCRIPTION OF SYMBOLS 1... Frame antenna device, 211... First frame antenna, 212... Second frame antenna, 22
... Phase shift device, 221 ... Phase shift circuit, 23 ... On-vehicle transmitting and receiving device, 3 ... Orbit, 4 ... Mobile object.
Claims (1)
情報伝送装置であつて、 前記地上装置は、ループアンテナ装置と、地上
送受信装置とを有し、 前記ループアンテナ装置は、移動体の進行方向
に沿つて設けられ、少なくとも一つの捻架点を有
する平行導線よりなり、 前記地上送受信装置は、前記ループアンテナ装
置に接続され、伝送信号を送信しまたは受信する
装置であり、 前記車上装置は、前記移動体に設けられ、枠形
アンテナ装置と、移相装置と、車上送受信装置と
を有し、 前記枠形アンテナ装置は、所定の間隔を隔てて
設けられた第１の枠形アンテナ及び第２の枠形ア
ンテナを有し、前記第１の枠形アンテナ及び第２
の枠形アンテナは、前記ループアンテナ装置と面
対向するように設けられており、 前記移相装置は、前記第１の枠形アンテナの信
号と、前記第２の枠形アンテナの信号とに所定の
位相差をもたせる装置であり、 前記車上送受信装置は、前記移相装置に接続さ
れ、前記移相装置からの信号を合成して受信し、
または前記移相装置に伝送信号を送信する装置で
あること を特徴とする移動体の情報伝送装置。 (2) 前記枠形アンテナ装置は、前記第１の枠形
アンテナと、前記第２の枠形アンテナとを一部を
オーバーラツプさせてあること を特徴とする請求項１に記載の移動体の情報伝送
装置。 (3) 前記移相装置は、前記第１の枠形アンテナ
の信号と、前記第２の枠形アンテナの信号とに９
０度に位相差をもたせる装置であること を特徴とする請求項１または２に記載の移動体の
情報伝送装置。 (4) 枠形アンテナ装置と、移相装置とを有する
アンテナ装置であて、 前記枠形アンテナ装置は、所定の間隔を隔てて
設けられた第１枠形アンテナと、第２の枠形アン
テナとを含んで構成され、 前記移相装置は、前記第１の枠形アンテナの信
号と、前記第２の枠形アンテナの信号とに所定の
位相差をもたせる装置であること を特徴とするアンテナ装置。 (5) 前記枠形アンテナ装置は、前記第１の枠形
アンテナと、前記第２の枠形アンテナとを一部を
オーバーラツプさせてあること を特徴とする請求項４に記載のアンテナ装置。 (6) 前記移相装置は、前記第１の枠形アンテナ
の信号と、前記第２の枠形アンテナの信号とに９
０度に位相差をもたせる装置であること を特徴とする請求項４または５に記載のアンテナ
装置。[Claims for Utility Model Registration] (1) An information transmission device for a mobile body having a ground device and an on-vehicle device, the ground device having a loop antenna device and a ground transmitting/receiving device, The loop antenna device is provided along the traveling direction of the moving body and is made of parallel conducting wires having at least one twist point, and the ground transmitting/receiving device is connected to the loop antenna device and transmits or receives a transmission signal. The on-vehicle device is provided on the movable body and includes a frame-shaped antenna device, a phase shift device, and an on-vehicle transmitting/receiving device, and the frame-shaped antenna device is arranged at a predetermined interval. a first frame-shaped antenna and a second frame-shaped antenna provided in the same manner;
The frame-shaped antenna is provided to face the loop antenna device, and the phase shift device is configured to adjust the signal of the first frame-shaped antenna and the signal of the second frame-shaped antenna to a predetermined level. The on-vehicle transmitter/receiver is connected to the phase shifter, and combines and receives signals from the phase shifter,
Alternatively, an information transmission device for a mobile body, characterized in that it is a device that transmits a transmission signal to the phase shift device. (2) Information on a mobile object according to claim 1, wherein the frame-shaped antenna device includes the first frame-shaped antenna and the second frame-shaped antenna that partially overlap. Transmission device. (3) The phase shift device separates the signal of the first frame antenna and the signal of the second frame antenna by 9
3. The information transmission device for a mobile body according to claim 1, wherein the device provides a phase difference at 0 degrees. (4) An antenna device having a frame-shaped antenna device and a phase shift device, wherein the frame-shaped antenna device includes a first frame-shaped antenna and a second frame-shaped antenna provided at a predetermined interval. An antenna device comprising: the phase shift device is a device that provides a predetermined phase difference between a signal from the first frame antenna and a signal from the second frame antenna. . (5) The antenna device according to claim 4, wherein the frame-shaped antenna device includes the first frame-shaped antenna and the second frame-shaped antenna that partially overlap. (6) The phase shift device separates the signal of the first frame antenna and the signal of the second frame antenna by 9.
The antenna device according to claim 4 or 5, characterized in that the antenna device is a device that provides a phase difference at 0 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990081770U JPH0741220Y2 (en) | 1990-07-31 | 1990-07-31 | Mobile information transmission device and antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990081770U JPH0741220Y2 (en) | 1990-07-31 | 1990-07-31 | Mobile information transmission device and antenna device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0439752U true JPH0439752U (en) | 1992-04-03 |
| JPH0741220Y2 JPH0741220Y2 (en) | 1995-09-20 |
Family
ID=31628001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990081770U Expired - Fee Related JPH0741220Y2 (en) | 1990-07-31 | 1990-07-31 | Mobile information transmission device and antenna device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0741220Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02131032A (en) * | 1988-11-10 | 1990-05-18 | Hitachi Cable Ltd | Transmission method for densely coupled signal |
-
1990
- 1990-07-31 JP JP1990081770U patent/JPH0741220Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02131032A (en) * | 1988-11-10 | 1990-05-18 | Hitachi Cable Ltd | Transmission method for densely coupled signal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0741220Y2 (en) | 1995-09-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |