JPS6328556B2 - - Google Patents
Info
- Publication number
- JPS6328556B2 JPS6328556B2 JP20512082A JP20512082A JPS6328556B2 JP S6328556 B2 JPS6328556 B2 JP S6328556B2 JP 20512082 A JP20512082 A JP 20512082A JP 20512082 A JP20512082 A JP 20512082A JP S6328556 B2 JPS6328556 B2 JP S6328556B2
- Authority
- JP
- Japan
- Prior art keywords
- tel
- signal
- terminal
- relay
- control circuit
- 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.)
- Expired
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
- H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20512082A JPS5994988A (ja) | 1982-11-22 | 1982-11-22 | ボタン電話装置における呼出信号制御回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20512082A JPS5994988A (ja) | 1982-11-22 | 1982-11-22 | ボタン電話装置における呼出信号制御回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5994988A JPS5994988A (ja) | 1984-05-31 |
JPS6328556B2 true JPS6328556B2 (enrdf_load_stackoverflow) | 1988-06-08 |
Family
ID=16501748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20512082A Granted JPS5994988A (ja) | 1982-11-22 | 1982-11-22 | ボタン電話装置における呼出信号制御回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5994988A (enrdf_load_stackoverflow) |
-
1982
- 1982-11-22 JP JP20512082A patent/JPS5994988A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5994988A (ja) | 1984-05-31 |
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