JPH0226846U - - Google Patents
Info
- Publication number
- JPH0226846U JPH0226846U JP10404388U JP10404388U JPH0226846U JP H0226846 U JPH0226846 U JP H0226846U JP 10404388 U JP10404388 U JP 10404388U JP 10404388 U JP10404388 U JP 10404388U JP H0226846 U JPH0226846 U JP H0226846U
- Authority
- JP
- Japan
- Prior art keywords
- station
- car phone
- cordless terminal
- radio waves
- vehicle 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Mobile Radio Communication Systems (AREA)
Description
第１図は本考案の実施例の構成を示す図、第２
図は自動車電話にコードレスセツトを用いる場合
の機器の詳細を示す図、第３図は制御回路ＲＯＭ
内の回線チヤンネルとコードレスチヤンネルとの
対応を示す図、第４図は本実施例の親機を中心と
した作動の流れ図、第５図は端末器がコードで連
接されている従来の自動車電話の構成図、第６図
は一般用のコードレス電話の構成図、第７図はコ
ードレス電話機を備えた従来の自動車電話の構成
図である。
１……地上局、１０……車上局、２０……親機
、３０……子機（コードレス端末器）、Ｆｎ……
回線チヤンネル周波数、ｆｎ……コードレスチヤ
ンネル周波数。
Fig. 1 is a diagram showing the configuration of an embodiment of the present invention;
The figure shows the details of the equipment when using a cordless set for a car phone, and Figure 3 shows the control circuit ROM.
Fig. 4 is a flowchart of the operation centered on the base unit of this embodiment, and Fig. 5 is a diagram showing the correspondence between the line channel and the cordless channel. FIG. 6 is a block diagram of a general cordless telephone, and FIG. 7 is a block diagram of a conventional car telephone equipped with a cordless telephone. 1...Ground station, 10...Vehicle station, 20...Base unit, 30...Slave unit (cordless terminal), Fn...
Line channel frequency, fn...cordless channel frequency.
Claims (1)
話車上局と、該車上局と微弱な電波で交信するコ
ードレス端末器を備えた、自動車電話の車載装置
において、前記地上局と車上局間で使用する、回
線チヤンネル周波数の、チヤンネル番号に対して
、予め定めた規則で対応させた周波数を、前記車
上局とコードレス端末器間で使用する、微弱な電
波のチヤンネル周波数として、設定することを特
徴とする自動車電話の車載装置。 An on-vehicle device for a car phone, comprising an on-board station for a car phone that connects to a ground station of a general public telephone network, and a cordless terminal that communicates with the on-board station using weak radio waves. A frequency corresponding to the channel number of the line channel frequency used between the onboard station and the cordless terminal is set as a channel frequency of weak radio waves used between the on-board station and the cordless terminal. An in-vehicle device for a car phone characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10404388U JPH0226846U (en) | 1988-08-08 | 1988-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10404388U JPH0226846U (en) | 1988-08-08 | 1988-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0226846U true JPH0226846U (en) | 1990-02-21 |
Family
ID=31335413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10404388U Pending JPH0226846U (en) | 1988-08-08 | 1988-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0226846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02142230A (en) * | 1988-11-24 | 1990-05-31 | Toyota Motor Corp | Cordless telephone system for mobile communication |
-
1988
- 1988-08-08 JP JP10404388U patent/JPH0226846U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02142230A (en) * | 1988-11-24 | 1990-05-31 | Toyota Motor Corp | Cordless telephone system for mobile communication |
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