JPH021939U - - Google Patents
Info
- Publication number
- JPH021939U JPH021939U JP1988080086U JP8008688U JPH021939U JP H021939 U JPH021939 U JP H021939U JP 1988080086 U JP1988080086 U JP 1988080086U JP 8008688 U JP8008688 U JP 8008688U JP H021939 U JPH021939 U JP H021939U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- data
- ground station
- database
- communication device
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 1
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Description
第１図は本考案のクレーム対応図、第２図は本
考案が適用された実施例装置の電気的なハードウ
エア構成を示すブロツク図、第３図は入出力デー
タの処理装置の内部構成を示すブロツク図、第４
図は移動無線機の内部構成を示すブロツク図、第
５図はデータベースバツクアツプ用コンパクトデ
イスクのデータ構成を示す説明図、第６図は本実
施例装置の処理手順を示すフローチヤート、第７
図は受信強度と入力データの関係を示すタイムチ
ヤートである。
１……入出力データの処理装置、２……表示装
置、３……ＣＤ―ＲＯＭのドライブ装置、４……
モデム、５……ハンドセツト、６……音声・デー
タ切換装置、７……移動無線機、８……アンテナ
、９……キーボード、１０……受信強度検出回路
。
Fig. 1 is a diagram corresponding to claims of the present invention, Fig. 2 is a block diagram showing the electrical hardware configuration of an embodiment device to which the present invention is applied, and Fig. 3 is an internal configuration of an input/output data processing device. Block diagram shown, No. 4
Figure 5 is a block diagram showing the internal configuration of the mobile radio device, Figure 5 is an explanatory diagram showing the data configuration of the compact disk for database backup, Figure 6 is a flowchart showing the processing procedure of the device of this embodiment, and Figure 7 is a diagram showing the data configuration of the compact disk for database backup.
The figure is a time chart showing the relationship between reception strength and input data. 1... Input/output data processing device, 2... Display device, 3... CD-ROM drive device, 4...
Modem, 5...Handset, 6...Audio/data switching device, 7...Mobile radio, 8...Antenna, 9...Keyboard, 10...Reception strength detection circuit.
Claims (1)
との間にデータの送受信を行なう車両用データ通
信装置において、 地上局からの受信電波の強度を検出する電波強
度検出手段と、 地上局のデータベースの一部を車載側に記憶す
る車載側データベース記憶手段と、 地上局からの受信電波強度が所定値以下の場合
、地上局からのデータ受信動作を停止するととも
に上記記憶された車載側データベースの該当デー
タを切換入力するデータ切換入力手段と、 を備えることを特徴とする車両用データ通信装
置。[Scope of Utility Model Registration Claim] Radio field strength that detects the strength of radio waves received from the ground station in a vehicle data communication device that transmits and receives data to and from a ground station via a mobile radio telephone installed in the vehicle. a detection means; an in-vehicle database storage means for storing a part of the database of the ground station on the in-vehicle side; A data communication device for a vehicle, comprising: data switching input means for switching and inputting corresponding data of a stored vehicle-mounted database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988080086U JPH021939U (en) | 1988-06-16 | 1988-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988080086U JPH021939U (en) | 1988-06-16 | 1988-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH021939U true JPH021939U (en) | 1990-01-09 |
Family
ID=31304932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988080086U Pending JPH021939U (en) | 1988-06-16 | 1988-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61110383U (en) * | 1984-12-25 | 1986-07-12 |
-
1988
- 1988-06-16 JP JP1988080086U patent/JPH021939U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61110383U (en) * | 1984-12-25 | 1986-07-12 |
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