JPS5313806A - Telephone extension system - Google Patents
Telephone extension systemInfo
- Publication number
- JPS5313806A JPS5313806A JP8723776A JP8723776A JPS5313806A JP S5313806 A JPS5313806 A JP S5313806A JP 8723776 A JP8723776 A JP 8723776A JP 8723776 A JP8723776 A JP 8723776A JP S5313806 A JPS5313806 A JP S5313806A
- Authority
- JP
- Japan
- Prior art keywords
- telephone extension
- extension system
- telephone
- transfer
- plural number
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/68—Circuit arrangements for preventing eavesdropping
- H04M1/70—Lock-out or secrecy arrangements in party-line systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Abstract
PURPOSE:To realize a simple and economical system, by adding the communicating call for transfer and the privacy functions to the telephone extension in which a plural number of telephones utilize one telephone line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8723776A JPS5313806A (en) | 1976-07-23 | 1976-07-23 | Telephone extension system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8723776A JPS5313806A (en) | 1976-07-23 | 1976-07-23 | Telephone extension system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5313806A true JPS5313806A (en) | 1978-02-07 |
JPS5528628B2 JPS5528628B2 (en) | 1980-07-29 |
Family
ID=13909212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8723776A Granted JPS5313806A (en) | 1976-07-23 | 1976-07-23 | Telephone extension system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5313806A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59180190A (en) * | 1983-03-26 | 1984-10-13 | 東海ゴム工業株式会社 | Hose joint |
JPS62288791A (en) * | 1986-04-22 | 1987-12-15 | ザ・ゲ−ツ・ラバ−・カンパニ− | Assembly of connected hose |
JPH0262496A (en) * | 1988-08-29 | 1990-03-02 | Tokai Rubber Ind Ltd | Manufacture of hose having joint |
JPH0266394A (en) * | 1988-08-30 | 1990-03-06 | Tokai Rubber Ind Ltd | Hose having joint |
JPH02221791A (en) * | 1989-02-02 | 1990-09-04 | Teleflex Inc | Coated woven hose assembly and manufacture thereof |
JPH02236086A (en) * | 1989-03-07 | 1990-09-18 | Yokohama Rubber Co Ltd:The | Join of hose and joint fitting |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4915083A (en) * | 1972-05-22 | 1974-02-09 | ||
JPS5042606U (en) * | 1973-08-20 | 1975-04-30 |
-
1976
- 1976-07-23 JP JP8723776A patent/JPS5313806A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4915083A (en) * | 1972-05-22 | 1974-02-09 | ||
JPS5042606U (en) * | 1973-08-20 | 1975-04-30 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59180190A (en) * | 1983-03-26 | 1984-10-13 | 東海ゴム工業株式会社 | Hose joint |
JPH034800B2 (en) * | 1983-03-26 | 1991-01-23 | Tokai Rubber Ind Ltd | |
JPS62288791A (en) * | 1986-04-22 | 1987-12-15 | ザ・ゲ−ツ・ラバ−・カンパニ− | Assembly of connected hose |
JPH0262496A (en) * | 1988-08-29 | 1990-03-02 | Tokai Rubber Ind Ltd | Manufacture of hose having joint |
JPH0266394A (en) * | 1988-08-30 | 1990-03-06 | Tokai Rubber Ind Ltd | Hose having joint |
JPH02221791A (en) * | 1989-02-02 | 1990-09-04 | Teleflex Inc | Coated woven hose assembly and manufacture thereof |
JPH0577915B2 (en) * | 1989-02-02 | 1993-10-27 | Teleflex Inc | |
JPH02236086A (en) * | 1989-03-07 | 1990-09-18 | Yokohama Rubber Co Ltd:The | Join of hose and joint fitting |
Also Published As
Publication number | Publication date |
---|---|
JPS5528628B2 (en) | 1980-07-29 |
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