WO1990013198A3 - Einrichtung zur informationsübermittlung - Google Patents
Einrichtung zur informationsübermittlung Download PDFInfo
- Publication number
- WO1990013198A3 WO1990013198A3 PCT/DE1990/000305 DE9000305W WO9013198A3 WO 1990013198 A3 WO1990013198 A3 WO 1990013198A3 DE 9000305 W DE9000305 W DE 9000305W WO 9013198 A3 WO9013198 A3 WO 9013198A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- telephone
- receiver
- emitter
- installation
- electro
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/82—Line monitoring circuits for call progress or status discrimination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19893913754 DE3913754A1 (de) | 1989-04-21 | 1989-04-21 | Steuereinrichtung |
DEP3913754.6 | 1989-04-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1990013198A2 WO1990013198A2 (de) | 1990-11-01 |
WO1990013198A3 true WO1990013198A3 (de) | 1990-12-13 |
Family
ID=6379504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1990/000305 WO1990013198A2 (de) | 1989-04-21 | 1990-04-23 | Einrichtung zur informationsübermittlung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0435967A1 (de) |
DE (1) | DE3913754A1 (de) |
WO (1) | WO1990013198A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4222977C2 (de) * | 1992-07-13 | 1996-01-11 | Yuecel Atiker | Fernsprechteilnehmereinrichtung mit Fernsprechendgerät |
DE4236725A1 (de) * | 1992-10-30 | 1994-05-05 | Hengelmann Guenter | Fernsprechsystem mit Rufanzeige |
DE19648003B4 (de) * | 1996-11-20 | 2007-01-04 | Sennheiser Electronic Gmbh & Co. Kg | Signalanzeigesystem |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0119163A2 (de) * | 1983-02-08 | 1984-09-19 | Langatronic Sa | Verfahren und Anlage zur Nachrichtenübertragung über das Niederspannungsnetz der elektrischen Energieverteilung und Anwendung |
EP0121508A2 (de) * | 1983-03-31 | 1984-10-10 | Claes Lorentz Uno Persson | Methode zur Beeinflussung einer Audioquelle während der Benutzung eines Fernsprechers und Anordnung zur Anwendung dieser Methode |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3514939A1 (de) * | 1985-04-25 | 1986-10-30 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur veraenderung der von einem teilnehmer eines fernmeldesystems an einem geraet der unterhaltungselektronik eingestellten lautstaerke |
-
1989
- 1989-04-21 DE DE19893913754 patent/DE3913754A1/de active Granted
-
1990
- 1990-04-23 WO PCT/DE1990/000305 patent/WO1990013198A2/de not_active Application Discontinuation
- 1990-04-23 EP EP19900906132 patent/EP0435967A1/de not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0119163A2 (de) * | 1983-02-08 | 1984-09-19 | Langatronic Sa | Verfahren und Anlage zur Nachrichtenübertragung über das Niederspannungsnetz der elektrischen Energieverteilung und Anwendung |
EP0121508A2 (de) * | 1983-03-31 | 1984-10-10 | Claes Lorentz Uno Persson | Methode zur Beeinflussung einer Audioquelle während der Benutzung eines Fernsprechers und Anordnung zur Anwendung dieser Methode |
Non-Patent Citations (1)
Title |
---|
ELEKTROTECHNIK UND MASCHINENBAU. vol. 103, no. 3, M{rz 86, WIEN AT Seiten 175 - 181; PICHLER: "SYSTEMBETRACHTUNGEN ZUR DATEN]BERTRAGUNG AUF ZWEIDRAHTNETZEN MIT HOHER FREMDSPANNUNG." siehe Seite 176, Spalte 2, Zeile 27 - Seite 177, Spalte 1, Zeile 27; Figur 3 * |
Also Published As
Publication number | Publication date |
---|---|
DE3913754A1 (de) | 1990-10-25 |
WO1990013198A2 (de) | 1990-11-01 |
EP0435967A1 (de) | 1991-07-10 |
DE3913754C2 (de) | 1991-11-07 |
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