CH384640A - Schaltungsanordnung zur Stromversorgung von Verstärkern über Fernmeldeleitungen - Google Patents
Schaltungsanordnung zur Stromversorgung von Verstärkern über FernmeldeleitungenInfo
- Publication number
- CH384640A CH384640A CH1372960A CH1372960A CH384640A CH 384640 A CH384640 A CH 384640A CH 1372960 A CH1372960 A CH 1372960A CH 1372960 A CH1372960 A CH 1372960A CH 384640 A CH384640 A CH 384640A
- Authority
- CH
- Switzerland
- Prior art keywords
- supplying power
- circuit arrangement
- via telecommunications
- telecommunications lines
- amplifiers via
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/44—Arrangements for feeding power to a repeater along the transmission line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES66330A DE1134420B (de) | 1959-12-18 | 1959-12-18 | Schaltungsanordnung zur Stromversorgung von Verstaerkern in Teilnehmerstellen |
Publications (1)
Publication Number | Publication Date |
---|---|
CH384640A true CH384640A (de) | 1964-11-30 |
Family
ID=7498737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1372960A CH384640A (de) | 1959-12-18 | 1960-12-08 | Schaltungsanordnung zur Stromversorgung von Verstärkern über Fernmeldeleitungen |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE598244A (xx) |
CH (1) | CH384640A (xx) |
DE (1) | DE1134420B (xx) |
GB (1) | GB917509A (xx) |
NL (1) | NL259106A (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4064366A (en) * | 1976-01-15 | 1977-12-20 | Winster Engineering Group Limited | Intrinsically safe telephone systems |
US4258332A (en) * | 1976-10-15 | 1981-03-24 | Wheelock Signals, Inc. | Loudspeaker amplifier |
DE3244240C1 (de) * | 1982-11-08 | 1984-03-15 | Sodeco-Saia AG, 1211 Genève | Fernsprechstelle mit niedrigem Speiseleistungsverbrauch |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE565493A (xx) * | 1957-09-17 |
-
0
- NL NL259106D patent/NL259106A/xx unknown
-
1959
- 1959-12-18 DE DES66330A patent/DE1134420B/de active Pending
-
1960
- 1960-12-08 CH CH1372960A patent/CH384640A/de unknown
- 1960-12-16 GB GB4348660A patent/GB917509A/en not_active Expired
- 1960-12-16 BE BE598244A patent/BE598244A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
BE598244A (fr) | 1961-04-14 |
DE1134420B (de) | 1962-08-09 |
NL259106A (xx) | |
GB917509A (en) | 1963-02-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1245426A (fr) | Perfectionnements aux machines électriques | |
CH388407A (de) | Elektrische Durchführung | |
BE596306A (fr) | Disjoncteur rapide | |
CH398770A (de) | Selbstschwingende Schaltungsanordnung | |
CH384640A (de) | Schaltungsanordnung zur Stromversorgung von Verstärkern über Fernmeldeleitungen | |
FR1235393A (fr) | Raccords électriques | |
CH391839A (de) | Schaltungsanordnung für Stromversorgungsgeräte | |
BE605083A (fr) | Perfectionnements aux connecteurs électriques | |
FR1228931A (fr) | Perfectionnements aux prises de courant | |
CH389089A (de) | Elektrisches Speisegerät | |
FR1238113A (fr) | Perfectionnement aux connexions des petites machines électriques | |
FR74870E (fr) | Perfectionnements aux raccordements électriques | |
FR1236067A (fr) | Combinateur de modulation | |
CH348738A (de) | Einrichtung zur Zufuhr von elektrischem Strom zu drehbar gelagerten Körpern | |
CH386491A (de) | Selbsttätiges Fernmeldeamt | |
CH384642A (de) | Schaltungsanordnung zur Frequenzmodulation | |
FR1264914A (fr) | Perfectionnements apportés aux connecteurs électriques | |
FR1255851A (fr) | Perfectionnements aux contacts électriques | |
FR1224925A (fr) | Perfectionnements apportés aux amplificateurs électroniques | |
AT198807B (de) | Schaltungsanordnung zur Überwachung der Stromversorgung von Fernsprech-Unterämtern (Kleinteilämtern) | |
FR1241843A (fr) | Connecteurs électriques | |
CH384643A (de) | Schaltungsanordnung zur Frequenzmodulation | |
FR1276450A (fr) | Perfectionnements aux circuits électriques utilisant des transistors | |
AT213473B (de) | Schaltungsanordnung zur Überwachung elektrischer Leitungen | |
FR1252089A (fr) | Amplificateur téléphonique |