JPH0123038B2 - - Google Patents
Info
- Publication number
- JPH0123038B2 JPH0123038B2 JP56145754A JP14575481A JPH0123038B2 JP H0123038 B2 JPH0123038 B2 JP H0123038B2 JP 56145754 A JP56145754 A JP 56145754A JP 14575481 A JP14575481 A JP 14575481A JP H0123038 B2 JPH0123038 B2 JP H0123038B2
- Authority
- JP
- Japan
- Prior art keywords
- relay
- call
- switching
- button telephone
- capacitor
- 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
- H04M9/005—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 |
|---|---|---|---|
| JP14575481A JPS5847362A (ja) | 1981-09-16 | 1981-09-16 | 通話路の切替制御回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14575481A JPS5847362A (ja) | 1981-09-16 | 1981-09-16 | 通話路の切替制御回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5847362A JPS5847362A (ja) | 1983-03-19 |
| JPH0123038B2 true JPH0123038B2 (enEXAMPLES) | 1989-04-28 |
Family
ID=15392377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14575481A Granted JPS5847362A (ja) | 1981-09-16 | 1981-09-16 | 通話路の切替制御回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5847362A (enEXAMPLES) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5714454Y2 (enEXAMPLES) * | 1978-04-20 | 1982-03-25 |
-
1981
- 1981-09-16 JP JP14575481A patent/JPS5847362A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5847362A (ja) | 1983-03-19 |
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