JPH0122797B2 - - Google Patents
Info
- Publication number
- JPH0122797B2 JPH0122797B2 JP3128083A JP3128083A JPH0122797B2 JP H0122797 B2 JPH0122797 B2 JP H0122797B2 JP 3128083 A JP3128083 A JP 3128083A JP 3128083 A JP3128083 A JP 3128083A JP H0122797 B2 JPH0122797 B2 JP H0122797B2
- Authority
- JP
- Japan
- Prior art keywords
- hook
- central office
- telephone
- office line
- line
- 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
- 238000001514 detection method Methods 0.000 claims description 14
- 230000004044 response Effects 0.000 description 11
- 238000004891 communication Methods 0.000 description 9
- 238000011084 recovery Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000004397 blinking Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 239000010903 husk Substances 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
- 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 |
|---|---|---|---|
| JP3128083A JPS59158192A (ja) | 1983-02-26 | 1983-02-26 | ボタン電話装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3128083A JPS59158192A (ja) | 1983-02-26 | 1983-02-26 | ボタン電話装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59158192A JPS59158192A (ja) | 1984-09-07 |
| JPH0122797B2 true JPH0122797B2 (US20100012521A1-20100121-C00001.png) | 1989-04-27 |
Family
ID=12326904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3128083A Granted JPS59158192A (ja) | 1983-02-26 | 1983-02-26 | ボタン電話装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59158192A (US20100012521A1-20100121-C00001.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61295798A (ja) * | 1985-06-24 | 1986-12-26 | Tamura Electric Works Ltd | ボタン電話装置 |
| JPS63103593A (ja) * | 1986-10-21 | 1988-05-09 | Tamura Electric Works Ltd | ボタン電話装置 |
| JPH0371792A (ja) * | 1989-08-11 | 1991-03-27 | Sanyo Electric Co Ltd | 電話装置 |
-
1983
- 1983-02-26 JP JP3128083A patent/JPS59158192A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59158192A (ja) | 1984-09-07 |
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