JPS62141243U - - Google Patents
Info
- Publication number
- JPS62141243U JPS62141243U JP2740486U JP2740486U JPS62141243U JP S62141243 U JPS62141243 U JP S62141243U JP 2740486 U JP2740486 U JP 2740486U JP 2740486 U JP2740486 U JP 2740486U JP S62141243 U JPS62141243 U JP S62141243U
- Authority
- JP
- Japan
- Prior art keywords
- communication device
- filter means
- communication
- predetermined
- bypassed
- 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 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Description
第１図は本考案を採用した通信装置の一例とし
てモデムの回線接続部の構成を示したブロツク図
、第２図は従来のモデムの構成を示したブロツク
図である。
１…モデム、３…バンドパスフイルタ、４…周
波数検出回路、６…スイツチ。
FIG. 1 is a block diagram showing the configuration of a line connection section of a modem as an example of a communication device employing the present invention, and FIG. 2 is a block diagram showing the configuration of a conventional modem. 1...Modem, 3...Band pass filter, 4...Frequency detection circuit, 6...Switch.
Claims (1)
介して、通信回線に接続される通信装置において
、前記フイルタ手段を通信路に挿入するかバイパ
スさせるかを選択するスイツチ手段を設け、この
スイツチ手段を外部から制御することにより所定
周波数の信号を受信、ないし除外することを特徴
とする通信装置。 A communication device connected to a communication line through a filter means having a predetermined passing frequency band is provided with a switch means for selecting whether the filter means is inserted into the communication channel or bypassed. A communication device characterized by receiving or excluding signals of a predetermined frequency through control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2740486U JPS62141243U (en) | 1986-02-28 | 1986-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2740486U JPS62141243U (en) | 1986-02-28 | 1986-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62141243U true JPS62141243U (en) | 1987-09-05 |
Family
ID=30829400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2740486U Pending JPS62141243U (en) | 1986-02-28 | 1986-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62141243U (en) |
-
1986
- 1986-02-28 JP JP2740486U patent/JPS62141243U/ja active Pending