JP4158688B2 - 車載通信装置 - Google Patents
車載通信装置 Download PDFInfo
- Publication number
- JP4158688B2 JP4158688B2 JP2003399934A JP2003399934A JP4158688B2 JP 4158688 B2 JP4158688 B2 JP 4158688B2 JP 2003399934 A JP2003399934 A JP 2003399934A JP 2003399934 A JP2003399934 A JP 2003399934A JP 4158688 B2 JP4158688 B2 JP 4158688B2
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- JP
- Japan
- Prior art keywords
- communication
- vehicle
- power
- bluetooth
- wireless communication
- 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.)
- Expired - Fee Related
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
Description
4…マイク、5…スピーカ、6…アンテナ、7…携帯電話、9…路上機、
10…移動通信機、21…表示装置、22…入力装置、31…CPU、
32…BluetoothRF部、33…RAM、34…ROM。
Claims (2)
- 無線通信手段(32)と、
前記無線通信手段の通信電力を制御する制御手段(31)と、
携帯電話(7)であるか路上機(9)であるかの種別と、前記無線通信手段の通信相手が車両内のものか車両外のものかを示す情報との組を有するテーブルを記憶する記憶手段(34)と、を備え、
前記制御手段は、前記携帯電話(7)および前記路上機(9)のいずれか1つを通信相手として選択するユーザの操作があると、前記選択された通信相手が自車内の通信装置であるか自車外の通信装置であるかを、前記記憶手段中の前記テーブルの前記組に基づいて特定し、
更に前記制御手段は、前記選択された通信相手が自車内の前記携帯電話であると特定されたとき、前記携帯電話とのハンズフリー処理のために、前記無線通信手段の通信電力が第1の通信電力となるように制御し、前記無線通信手段の通信相手が自車外の前記路上機であると特定されたとき、前記路上機とのデータ通信処理のために、前記無線通信手段の通信電力が前記第1の通信電力より大きい第2の通信電力となるように制御することを特徴とする車載通信装置。 - 前記無線通信手段は、Bluetoothによる無線通信を行い、
前記第1の通信電力は、BluetoothのCLASS2またはCLASS3における最大電力であり、前記第2の通信電力は、BluetoothのCLASS1における最大電力であることを特徴とする請求項1に記載の車載通信装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003399934A JP4158688B2 (ja) | 2003-11-28 | 2003-11-28 | 車載通信装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003399934A JP4158688B2 (ja) | 2003-11-28 | 2003-11-28 | 車載通信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005167346A JP2005167346A (ja) | 2005-06-23 |
JP4158688B2 true JP4158688B2 (ja) | 2008-10-01 |
Family
ID=34724340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003399934A Expired - Fee Related JP4158688B2 (ja) | 2003-11-28 | 2003-11-28 | 車載通信装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4158688B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007163243A (ja) * | 2005-12-13 | 2007-06-28 | Sokkia Co Ltd | 測量機間における情報の送受信方法 |
JP6396732B2 (ja) * | 2014-09-19 | 2018-09-26 | 株式会社日立国際電気 | 無線通信装置 |
CN109756863A (zh) * | 2018-12-17 | 2019-05-14 | 上海仝骋科技有限公司 | 一种与车载电子设备共享手机流量的装置 |
-
2003
- 2003-11-28 JP JP2003399934A patent/JP4158688B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2005167346A (ja) | 2005-06-23 |
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