JPS55132195A - Individual calling system of button telephone set - Google Patents
Individual calling system of button telephone setInfo
- Publication number
- JPS55132195A JPS55132195A JP3955779A JP3955779A JPS55132195A JP S55132195 A JPS55132195 A JP S55132195A JP 3955779 A JP3955779 A JP 3955779A JP 3955779 A JP3955779 A JP 3955779A JP S55132195 A JPS55132195 A JP S55132195A
- Authority
- JP
- Japan
- Prior art keywords
- calling
- telephone set
- individual
- loudspeaker
- general
- 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
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3955779A JPS5925551B2 (ja) | 1979-04-02 | 1979-04-02 | ボタン電話装置における個別呼出方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3955779A JPS5925551B2 (ja) | 1979-04-02 | 1979-04-02 | ボタン電話装置における個別呼出方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55132195A true JPS55132195A (en) | 1980-10-14 |
JPS5925551B2 JPS5925551B2 (ja) | 1984-06-19 |
Family
ID=12556363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3955779A Expired JPS5925551B2 (ja) | 1979-04-02 | 1979-04-02 | ボタン電話装置における個別呼出方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5925551B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6418394A (en) * | 1987-07-14 | 1989-01-23 | Sanyo Electric Co | Home telephone system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0331971Y2 (ja) * | 1984-09-04 | 1991-07-08 |
-
1979
- 1979-04-02 JP JP3955779A patent/JPS5925551B2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6418394A (en) * | 1987-07-14 | 1989-01-23 | Sanyo Electric Co | Home telephone system |
Also Published As
Publication number | Publication date |
---|---|
JPS5925551B2 (ja) | 1984-06-19 |
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