JPS627116U - - Google Patents
Info
- Publication number
- JPS627116U JPS627116U JP9932685U JP9932685U JPS627116U JP S627116 U JPS627116 U JP S627116U JP 9932685 U JP9932685 U JP 9932685U JP 9932685 U JP9932685 U JP 9932685U JP S627116 U JPS627116 U JP S627116U
- Authority
- JP
- Japan
- Prior art keywords
- twisted
- wires
- communication cable
- circumferential direction
- line
- 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 8
- 239000004020 conductor Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
Landscapes
- Communication Cables (AREA)
Description
第１図ないし第４図は本考案に係る通信ケーブ
ルの一実施例を示し、第１図は誘導回線と被誘導
回線との撚程説明図、第２図は本考案の効果を確
認するために試作した通信ケーブルの撚ピツチ説
明図、第３図は第２図に符号３′で示す小ブロツ
ク内カツド撚線のランダムな位置での撚程説明図
、第４図は第２図に示す通信ケーブルの漏話特性
を従来型通信ケーブルの漏話特性と比較して示す
図、第５図ないし第７図は従来型通信フケーブル
の具体的構造を示し、第５図はカツド撚線を１０
本集めた２０回線ケーブル（２０対カツド撚型ケ
ーブル）の内部構造説明図、第６図は第５図に示
す通信ケーブルの撚ピツチ説明図、第７図は第６
図と異なる従来型通信ケーブルの撚ピツチ説明図
、第８図は誘導回線と被誘導回線との漏話説明図
である。
１：心線、１ａ：導体、１ｂ：絶縁体、２：カ
ツド撚線、３および３′：小ブロツク、４：ケー
ブルシース、５：誘導回線、６：被誘導回線。
Figures 1 to 4 show an embodiment of the communication cable according to the present invention, Figure 1 is an explanatory diagram of the twisting distance between the guiding line and the guided line, and Figure 2 is for confirming the effect of the present invention. Fig. 3 is an explanatory diagram of the twisting pitch of the communication cable prototyped in Fig. 2, and Fig. 4 is an illustration of the twisting distance at random positions of the cut-stranded wires in the small block indicated by numeral 3' in Fig. 2. Figures 5 to 7 show the specific structure of conventional communication cables, and Figure 5 shows crosstalk characteristics of communication cables compared with crosstalk characteristics of conventional communication cables.
An explanatory diagram of the internal structure of the collected 20-line cable (20-pair twisted type cable), Figure 6 is an explanatory diagram of the twist pitch of the communication cable shown in Figure 5, and Figure 7 is an explanatory diagram of the twist pitch of the communication cable shown in Figure 5.
FIG. 8 is a diagram illustrating the twisting pitch of a conventional communication cable, which is different from the diagram, and a diagram illustrating crosstalk between a guiding line and a guided line. 1: core wire, 1a: conductor, 1b: insulator, 2: twisted twisted wire, 3 and 3': small block, 4: cable sheath, 5: guided line, 6: guided line.
Claims (1)
る通信ケーブルの構造において、上記対撚線また
はカツド撚線の円周方向の相対位置を、撚線長手
方向の任意の位置で左右反転せしめてなることを
特徴とする通信ケーブル。 In the structure of a communication cable in which the core wires are twisted in pairs or twisted in a curved manner, the relative positions in the circumferential direction of the twisted twisted wires or twisted twisted wires in the circumferential direction are reversed left and right at any position in the longitudinal direction of the twisted wires. A communication cable featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9932685U JPS627116U (en) | 1985-06-28 | 1985-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9932685U JPS627116U (en) | 1985-06-28 | 1985-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS627116U true JPS627116U (en) | 1987-01-16 |
Family
ID=30968100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9932685U Pending JPS627116U (en) | 1985-06-28 | 1985-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS627116U (en) |
-
1985
- 1985-06-28 JP JP9932685U patent/JPS627116U/ja active Pending