JPS522310A - Three-person communicaton circuit - Google Patents
Three-person communicaton circuitInfo
- Publication number
- JPS522310A JPS522310A JP7872175A JP7872175A JPS522310A JP S522310 A JPS522310 A JP S522310A JP 7872175 A JP7872175 A JP 7872175A JP 7872175 A JP7872175 A JP 7872175A JP S522310 A JPS522310 A JP S522310A
- Authority
- JP
- Japan
- Prior art keywords
- person
- circuit
- communicaton
- communicaton circuit
- exchange
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Abstract
PURPOSE:To provide a system of improving electrical characteristics by inserting a relay ring into a circuit in an exchange three-person communication circuit employing resistance hybrid circuits.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7872175A JPS522310A (en) | 1975-06-24 | 1975-06-24 | Three-person communicaton circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7872175A JPS522310A (en) | 1975-06-24 | 1975-06-24 | Three-person communicaton circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS522310A true JPS522310A (en) | 1977-01-10 |
Family
ID=13669732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7872175A Pending JPS522310A (en) | 1975-06-24 | 1975-06-24 | Three-person communicaton circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS522310A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS584085U (en) * | 1981-07-02 | 1983-01-11 | ダイキン工業株式会社 | Comfort level detection device |
JPS58156272U (en) * | 1982-04-14 | 1983-10-19 | 株式会社芝浦電子製作所 | thermistor sensor |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS494764A (en) * | 1972-04-27 | 1974-01-16 |
-
1975
- 1975-06-24 JP JP7872175A patent/JPS522310A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS494764A (en) * | 1972-04-27 | 1974-01-16 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS584085U (en) * | 1981-07-02 | 1983-01-11 | ダイキン工業株式会社 | Comfort level detection device |
JPS58156272U (en) * | 1982-04-14 | 1983-10-19 | 株式会社芝浦電子製作所 | thermistor sensor |
JPH0112211Y2 (en) * | 1982-04-14 | 1989-04-10 |
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