JPH0369921U - - Google Patents
Info
- Publication number
- JPH0369921U JPH0369921U JP12715189U JP12715189U JPH0369921U JP H0369921 U JPH0369921 U JP H0369921U JP 12715189 U JP12715189 U JP 12715189U JP 12715189 U JP12715189 U JP 12715189U JP H0369921 U JPH0369921 U JP H0369921U
- Authority
- JP
- Japan
- Prior art keywords
- main line
- signal
- coaxial cable
- branch
- cable main
- 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 5
Landscapes
- Small-Scale Networks (AREA)
Description
第１図は本考案の信号分岐器の一実施例に係わ
る並列型分岐回路を用いた信号分岐器の構成を示
す回路図、第２図は上記並列型分岐回路を用い３
素子型のローパスフイルタを設けた信号分岐器の
構成を示す回路図、第３図は本考案の第二実施例
に係わる直列型分岐回路を用いた信号分岐器の構
成を示す回路図、第４図は１本の同軸ケーブルの
途中に多数の分岐器を接続したバス型ＬＡＮの一
般的構成を示す図、第５図ａ及びｂはそれぞれ並
列型分岐回路とその等価回路の構成を示す図、第
６図ａ及びｂはそれぞれ直列型分岐回路とその等
価回路の構成を示す図である。
１，１ａ〜１ｎ……信号分岐器、２……幹線、
３ａ，３ｂ……終端抵抗、４ａ〜４ｎ……支線、
５ａ〜５ｎ……情報機器、１１……並列型分岐回
路、１２，１３……ローパスフイルタ、１４……
直列型分岐回路、Ｊ１〜Ｊ２……幹線接続端子、
ＢＪ……分岐出力端子。
FIG. 1 is a circuit diagram showing the configuration of a signal branching circuit using a parallel type branch circuit according to an embodiment of the signal branching device of the present invention, and FIG.
FIG. 3 is a circuit diagram showing the configuration of a signal splitter provided with an element-type low-pass filter; FIG. 3 is a circuit diagram showing the configuration of a signal splitter using a series branch circuit according to the second embodiment of the present invention; The figure shows a general configuration of a bus-type LAN in which a large number of branching switches are connected in the middle of one coaxial cable, and Figures 5a and 5b are diagrams showing the configuration of a parallel branch circuit and its equivalent circuit, respectively. FIGS. 6a and 6b are diagrams showing the configurations of a series type branch circuit and its equivalent circuit, respectively. 1, 1a to 1n...signal branch, 2...main line,
3a, 3b...terminal resistor, 4a to 4n...branch line,
5a to 5n... Information equipment, 11... Parallel type branch circuit, 12, 13... Low pass filter, 14...
Series type branch circuit, J 1 - J 2 ... Main line connection terminal,
BJ...Branch output terminal.
Claims (1)
され、該幹線に伝送される情報信号を分岐する信
号分岐器において、分岐回路の分岐出力端子部に
上記同軸ケーブル幹線から分岐伝送される情報信
号の基本波成分を通過させ高調波成分の通過を阻
止するローパスフイルタを付加してなることを特
徴とする信号分岐器。 In a signal brancher that is connected to a coaxial cable main line of a bus-type LAN and branches information signals transmitted to the main line, the basics of the information signal that is branched and transmitted from the coaxial cable main line to the branch output terminal section of the branch circuit. 1. A signal branching device comprising a low-pass filter that passes wave components and blocks harmonic components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12715189U JPH0369921U (en) | 1989-11-01 | 1989-11-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12715189U JPH0369921U (en) | 1989-11-01 | 1989-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0369921U true JPH0369921U (en) | 1991-07-12 |
Family
ID=31674925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12715189U Pending JPH0369921U (en) | 1989-11-01 | 1989-11-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0369921U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62136104A (en) * | 1985-12-09 | 1987-06-19 | Oki Electric Ind Co Ltd | Branching filter |
-
1989
- 1989-11-01 JP JP12715189U patent/JPH0369921U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62136104A (en) * | 1985-12-09 | 1987-06-19 | Oki Electric Ind Co Ltd | Branching filter |
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