JPS63123073U - - Google Patents
Info
- Publication number
- JPS63123073U JPS63123073U JP1987012856U JP1285687U JPS63123073U JP S63123073 U JPS63123073 U JP S63123073U JP 1987012856 U JP1987012856 U JP 1987012856U JP 1285687 U JP1285687 U JP 1285687U JP S63123073 U JPS63123073 U JP S63123073U
- Authority
- JP
- Japan
- Prior art keywords
- radio wave
- wave countermeasure
- casing
- communication connector
- communication path
- 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
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Filters And Equalizers (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
第１図は本考案に係る電波対策用装置を介在さ
せて成るアナログ電話回線網の要部構成を概念的
に示すブロツク回路図、第２図は本考案に係る電
波対策用装置の外観構成を概念的に示す斜視図、
第３図は本考案に係る他の電波対策用装置の外観
構成を概念的に示す斜視図、第４図は従来の電波
対策用装置を介在させて成るアナログ電話回線網
の要部構成を概念的に示すブロツク回路図である
。
１……電話局、２……端末機器、３……アナロ
グ電話回線、４，４Ａ，４Ｂ……電波対策用装置
、４０，４０Ａ……電波対策用コイル、４１……
コンデンサ、４２Ａ，４２Ｂ……実装スペース、
４３Ａ，４３Ｂ……接続用端子、４４Ａ，４４Ｂ
……通信コネクタケーブル、４００……電波対策
用モジユール、５，５Ａ……通信コネクタプラグ
、６，６Ａ，６Ｂ……通信コネクタジヤツク。
Fig. 1 is a block circuit diagram conceptually showing the main structure of an analog telephone line network in which the radio wave countermeasure device according to the present invention is interposed, and Fig. 2 shows the external configuration of the radio wave countermeasure device according to the present invention. A conceptual perspective view,
FIG. 3 is a perspective view conceptually showing the external configuration of another radio wave countermeasure device according to the present invention, and FIG. 4 conceptually shows the main part configuration of an analog telephone line network with a conventional radio wave countermeasure device interposed. FIG. 1... Telephone office, 2... Terminal equipment, 3... Analog telephone line, 4, 4A, 4B... Radio wave countermeasure device, 40, 40A... Radio wave countermeasure coil, 41...
Capacitor, 42A, 42B...Mounting space,
43A, 43B... Connection terminal, 44A, 44B
...Communication connector cable, 400...Radio wave countermeasure module, 5,5A...Communication connector plug, 6,6A,6B...Communication connector jack.
Claims (1)
クにより通信路に着脱自在に接続される筐体と、 該筐体内に配設され、前記通信路の各ラインの
妨害電波レベルに応じて該ラインに選択的に接続
される少なくとも１つの電波対策用モジユールと を具備することを特徴とする電波対策用装置。[Scope of claim for utility model registration] A casing that is detachably connected to a communication path by a communication connector plug and a communication connector jack, and a radio interference level of each line of the communication path that is disposed within the casing. A radio wave countermeasure device comprising: at least one radio wave countermeasure module that is selectively connected to the line according to the radio wave countermeasure module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987012856U JPS63123073U (en) | 1987-02-02 | 1987-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987012856U JPS63123073U (en) | 1987-02-02 | 1987-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63123073U true JPS63123073U (en) | 1988-08-10 |
Family
ID=30801377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987012856U Pending JPS63123073U (en) | 1987-02-02 | 1987-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63123073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11289235A (en) * | 1998-04-03 | 1999-10-19 | Nippon Telegr & Teleph Corp <Ntt> | Method for filtering communication and filter for communication line |
-
1987
- 1987-02-02 JP JP1987012856U patent/JPS63123073U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11289235A (en) * | 1998-04-03 | 1999-10-19 | Nippon Telegr & Teleph Corp <Ntt> | Method for filtering communication and filter for communication line |
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