FI850730L - Kommunikationssystem utan egen ledning. - Google Patents
Kommunikationssystem utan egen ledning.Info
- Publication number
- FI850730L FI850730L FI850730A FI850730A FI850730L FI 850730 L FI850730 L FI 850730L FI 850730 A FI850730 A FI 850730A FI 850730 A FI850730 A FI 850730A FI 850730 L FI850730 L FI 850730L
- Authority
- FI
- Finland
- Prior art keywords
- ledning
- egen
- utan
- communication system
- communication
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/71—Substation extension arrangements
- H04M1/715—Substation extension arrangements using two or more extensions per line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5429—Applications for powerline communications
- H04B2203/5437—Wired telephone
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Telephonic Communication Services (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843407308 DE3407308A1 (de) | 1984-02-24 | 1984-02-24 | Eigenleitungsloses kommunikationssystem (kleine nebenstellenanlage mit adapteranschluss an das stromversorgungsnetz) |
DE3407308 | 1984-02-24 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI850730A0 FI850730A0 (fi) | 1985-02-22 |
FI850730L true FI850730L (fi) | 1985-08-25 |
FI79212B FI79212B (fi) | 1989-07-31 |
FI79212C FI79212C (fi) | 1989-11-10 |
Family
ID=6229117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI850730A FI79212C (fi) | 1984-02-24 | 1985-02-22 | Kommunikationssystem utan egen ledning. |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS60212094A (fi) |
DE (1) | DE3407308A1 (fi) |
FI (1) | FI79212C (fi) |
IT (1) | IT1183372B (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3614769A1 (de) * | 1986-04-30 | 1988-06-16 | Wilhelm Englmaier | Schiene zur befestigung von bildaufnahme- und beleuchtungseinrichtungen |
DE4008023A1 (de) * | 1990-03-09 | 1991-09-12 | Krone Ag | Verfahren zur hausinternen sprach- und datenkommunikation ueber das hauseigene stromversorgungsnetz |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE696453C (de) * | 1935-11-25 | 1940-09-21 | Aeg | Einrichtung zum Hochfrequenzverkehr mit Wahlanruf, insbesondere ueber Starkstromleitungen |
DE1183959B (de) * | 1963-07-31 | 1964-12-23 | Telefunken Patent | Filter fuer eine Anlage zur Nachrichtenuebertragung ueber ein Starkstromnetz innerhalb eines Hauses oder Gebaeudekomplexes |
DE3146987A1 (de) * | 1981-11-26 | 1983-06-01 | Siemens AG, 1000 Berlin und 8000 München | Eigendrahtloses kommunikationssystem |
-
1984
- 1984-02-24 DE DE19843407308 patent/DE3407308A1/de active Granted
-
1985
- 1985-02-19 IT IT19566/85A patent/IT1183372B/it active
- 1985-02-22 FI FI850730A patent/FI79212C/fi not_active IP Right Cessation
- 1985-02-25 JP JP60034719A patent/JPS60212094A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FI850730A0 (fi) | 1985-02-22 |
FI79212B (fi) | 1989-07-31 |
IT8519566A0 (it) | 1985-02-19 |
DE3407308C2 (fi) | 1988-12-22 |
JPS60212094A (ja) | 1985-10-24 |
IT1183372B (it) | 1987-10-22 |
DE3407308A1 (de) | 1985-09-12 |
FI79212C (fi) | 1989-11-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: SIEMENS AKTIENGESELLSCHAFT |