JPS59224994A - ボタン電話装置 - Google Patents
ボタン電話装置Info
- Publication number
- JPS59224994A JPS59224994A JP9916983A JP9916983A JPS59224994A JP S59224994 A JPS59224994 A JP S59224994A JP 9916983 A JP9916983 A JP 9916983A JP 9916983 A JP9916983 A JP 9916983A JP S59224994 A JPS59224994 A JP S59224994A
- Authority
- JP
- Japan
- Prior art keywords
- extension number
- telephone
- extension
- section
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 abstract description 8
- 238000012545 processing Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004397 blinking Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- HBKPGGUHRZPDIE-UHFFFAOYSA-N ethoxy-methoxy-sulfanylidene-(2,4,5-trichlorophenoxy)-$l^{5}-phosphane Chemical compound CCOP(=S)(OC)OC1=CC(Cl)=C(Cl)C=C1Cl HBKPGGUHRZPDIE-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 108090000237 interleukin-24 Proteins 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
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 |
|---|---|---|---|
| JP9916983A JPS59224994A (ja) | 1983-06-03 | 1983-06-03 | ボタン電話装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9916983A JPS59224994A (ja) | 1983-06-03 | 1983-06-03 | ボタン電話装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59224994A true JPS59224994A (ja) | 1984-12-17 |
| JPS64874B2 JPS64874B2 (enrdf_load_stackoverflow) | 1989-01-09 |
Family
ID=14240143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9916983A Granted JPS59224994A (ja) | 1983-06-03 | 1983-06-03 | ボタン電話装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59224994A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63166393A (ja) * | 1986-12-26 | 1988-07-09 | Taiko Denki Seisakusho:Kk | ボタン電話装置 |
-
1983
- 1983-06-03 JP JP9916983A patent/JPS59224994A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63166393A (ja) * | 1986-12-26 | 1988-07-09 | Taiko Denki Seisakusho:Kk | ボタン電話装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS64874B2 (enrdf_load_stackoverflow) | 1989-01-09 |
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