JPH0312557U - - Google Patents
Info
- Publication number
- JPH0312557U JPH0312557U JP6822790U JP6822790U JPH0312557U JP H0312557 U JPH0312557 U JP H0312557U JP 6822790 U JP6822790 U JP 6822790U JP 6822790 U JP6822790 U JP 6822790U JP H0312557 U JPH0312557 U JP H0312557U
- Authority
- JP
- Japan
- Prior art keywords
- telephones
- connectors
- mentioned
- telephone system
- connector
- 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 4
Description
第１図は本考案の実施例のブロツク図、第２図
及び第３図は第１図に示す実施例の具体的構成例
を示す回路図、第４図は従来のブランチ電話方式
を示すブロツク図である。
主な記号、３，３１，３２，…，……電話機、
４……電話回線、７，７１，７２，…，……ブラ
ンチ接続用電話機コード、８……セキユリテイー
機器、３０１，３０２，８０１，８０２……コネ
クタ（ジヤツク側）、７０１，７０２……コネク
タ（プラグ側）。
Fig. 1 is a block diagram of an embodiment of the present invention, Figs. 2 and 3 are circuit diagrams showing a specific configuration example of the embodiment shown in Fig. 1, and Fig. 4 is a block diagram showing a conventional branch telephone system. It is a diagram. Main symbols, 3, 31, 32,..., telephone,
4...Telephone line, 7,71,72,...,...Telephone cord for branch connection, 8...Security equipment, 301,302,801,802...Connector (jack side), 701,702...Connector ( plug side).
Claims (1)
チ電話システムに於いて、上記電話機は、少くと
も通話回路に接続され相互に複式接続された複数
のコネクタをその筺体に具備し、コネクタ付きコ
ードによつて複数の電話機の上記コネクタ間を接
続するようにしたブランチ電話システム。 In a branch telephone system in which a plurality of telephones are connected in parallel to a telephone line, the above-mentioned telephones are equipped with a plurality of connectors connected to at least a communication circuit and mutually duplex connected, and are connected by a cord with a connector. A branch telephone system in which the above-mentioned connectors of a plurality of telephones are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6822790U JPH0312557U (en) | 1990-06-27 | 1990-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6822790U JPH0312557U (en) | 1990-06-27 | 1990-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0312557U true JPH0312557U (en) | 1991-02-07 |
Family
ID=31602479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6822790U Pending JPH0312557U (en) | 1990-06-27 | 1990-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312557U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5484907A (en) * | 1977-12-20 | 1979-07-06 | Toshiba Corp | Telephone unit |
-
1990
- 1990-06-27 JP JP6822790U patent/JPH0312557U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5484907A (en) * | 1977-12-20 | 1979-07-06 | Toshiba Corp | Telephone unit |
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