NL8101456A - Schakeling voor uit het net gevoede huistelefoonstelsels. - Google Patents
Schakeling voor uit het net gevoede huistelefoonstelsels. Download PDFInfo
- Publication number
- NL8101456A NL8101456A NL8101456A NL8101456A NL8101456A NL 8101456 A NL8101456 A NL 8101456A NL 8101456 A NL8101456 A NL 8101456A NL 8101456 A NL8101456 A NL 8101456A NL 8101456 A NL8101456 A NL 8101456A
- Authority
- NL
- Netherlands
- Prior art keywords
- lines
- row
- twel
- column
- line
- Prior art date
Links
- 239000011159 matrix material Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/44—Additional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephonic Communication Services (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3011507A DE3011507C2 (de) | 1980-03-25 | 1980-03-25 | Schaltungsanordnung für durch das öffentliche Stromversorgungsnetz gespeiste Fernsprechnebenstellenanlagen |
| DE3011507 | 1980-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8101456A true NL8101456A (nl) | 1981-10-16 |
Family
ID=6098273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8101456A NL8101456A (nl) | 1980-03-25 | 1981-03-24 | Schakeling voor uit het net gevoede huistelefoonstelsels. |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT384918B (it) |
| CH (1) | CH651981A5 (it) |
| DE (1) | DE3011507C2 (it) |
| IT (1) | IT1135671B (it) |
| NL (1) | NL8101456A (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3322660A1 (de) * | 1983-06-23 | 1985-01-03 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zum koppeln von zwei mikrorechnern |
| EP0443583B1 (en) * | 1990-02-22 | 1999-05-19 | Canon Kabushiki Kaisha | Private branch exchange system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1410508A (en) * | 1972-10-12 | 1975-10-15 | Thorn Ericsson Telecomm | Telephone systems |
-
1980
- 1980-03-25 DE DE3011507A patent/DE3011507C2/de not_active Expired
-
1981
- 1981-01-27 CH CH509/81A patent/CH651981A5/de not_active IP Right Cessation
- 1981-03-20 IT IT20619/81A patent/IT1135671B/it active
- 1981-03-23 AT AT0135981A patent/AT384918B/de not_active IP Right Cessation
- 1981-03-24 NL NL8101456A patent/NL8101456A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| ATA135981A (de) | 1987-06-15 |
| CH651981A5 (en) | 1985-10-15 |
| DE3011507A1 (de) | 1981-10-01 |
| DE3011507C2 (de) | 1983-12-01 |
| IT8120619A0 (it) | 1981-03-20 |
| IT1135671B (it) | 1986-08-27 |
| AT384918B (de) | 1988-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |