JPH021982U - - Google Patents
Info
- Publication number
- JPH021982U JPH021982U JP7882588U JP7882588U JPH021982U JP H021982 U JPH021982 U JP H021982U JP 7882588 U JP7882588 U JP 7882588U JP 7882588 U JP7882588 U JP 7882588U JP H021982 U JPH021982 U JP H021982U
- Authority
- JP
- Japan
- Prior art keywords
- ports
- links
- matrix
- link circuit
- intersections
- 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
- 239000011159 matrix material Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Description
第1図は本考案によるリンク回路の実施例を概
略的に示し、第2図はボタン電話装置の一例の回
路図、第3図は従来のリンク回路を概略的に示す
。
図中、A―1は主装置、A―2はボタン電話機
、7はクロスポイントスイツチ、P1〜Pnはポ
ート、L1〜Ln/2はリンク、S11〜Sn/
2nは電子スイツチ。
FIG. 1 schematically shows an embodiment of a link circuit according to the present invention, FIG. 2 is a circuit diagram of an example of a button telephone device, and FIG. 3 schematically shows a conventional link circuit. In the figure, A-1 is the main device, A-2 is a button telephone, 7 is a cross-point switch, P 1 to P n are ports, L 1 to L n / 2 are links, and S 11 to S n /
2 n is an electronic switch.
Claims (1)
等を接続するためのn本のポートと、n/2本の
リンクとをマトリクス状に構成し、該マトリクス
におけるポートとリンクとの交差点に電子スイツ
チを設けて成るフレキシブルポート型リンク回路
。 In telephone switching equipment, n ports and n/2 links for connecting central office lines, telephones, terminals, etc. are configured in a matrix, and electronic switches are installed at the intersections of the ports and links in the matrix. A flexible port type link circuit comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7882588U JPH021982U (en) | 1988-06-16 | 1988-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7882588U JPH021982U (en) | 1988-06-16 | 1988-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH021982U true JPH021982U (en) | 1990-01-09 |
Family
ID=31303722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7882588U Pending JPH021982U (en) | 1988-06-16 | 1988-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH057292U (en) * | 1991-07-12 | 1993-02-02 | ローヤル株式会社 | Rattling rice cake |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6224795A (en) * | 1985-07-25 | 1987-02-02 | Tamura Electric Works Ltd | Key telephone system |
-
1988
- 1988-06-16 JP JP7882588U patent/JPH021982U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6224795A (en) * | 1985-07-25 | 1987-02-02 | Tamura Electric Works Ltd | Key telephone system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH057292U (en) * | 1991-07-12 | 1993-02-02 | ローヤル株式会社 | Rattling rice cake |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH021982U (en) | ||
| JPS6381552U (en) | ||
| JPS6347691U (en) | ||
| JPS6320648U (en) | ||
| JPS623167U (en) | ||
| JPS6418848U (en) | ||
| JPH03109452U (en) | ||
| JPH03464U (en) | ||
| JPS62105648U (en) | ||
| JPH0243054U (en) | ||
| JPH01147545U (en) | ||
| JPS6413840U (en) | ||
| JPS6195186U (en) | ||
| JPS6385816U (en) | ||
| JPS61143390U (en) | ||
| JPS5950173U (en) | Balanced line switching circuit | |
| JPS6349853U (en) | ||
| JPS6298356U (en) | ||
| JPS63192618U (en) | ||
| JPS59147358U (en) | push button dial | |
| JPH0212795U (en) | ||
| JPS6360217U (en) | ||
| JPH0373043U (en) | ||
| JPH01127282U (en) | ||
| JPS6281869A (en) | Power saving circuit for key telephone system |