NL259106A - - Google Patents
Info
- Publication number
- NL259106A NL259106A NL259106DA NL259106A NL 259106 A NL259106 A NL 259106A NL 259106D A NL259106D A NL 259106DA NL 259106 A NL259106 A NL 259106A
- Authority
- NL
- Netherlands
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)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (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 |
|---|---|
| NL259106A true NL259106A (it) |
Family
ID=7498737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL259106D NL259106A (it) | 1959-12-18 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE598244A (it) |
| CH (1) | CH384640A (it) |
| DE (1) | DE1134420B (it) |
| GB (1) | GB917509A (it) |
| NL (1) | NL259106A (it) |
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 (it) * | 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 |
|---|---|
| CH384640A (de) | 1964-11-30 |
| DE1134420B (de) | 1962-08-09 |
| GB917509A (en) | 1963-02-06 |
| BE598244A (fr) | 1961-04-14 |