NL133409C - - Google Patents
Info
- Publication number
- NL133409C NL133409C NL133409DA NL133409C NL 133409 C NL133409 C NL 133409C NL 133409D A NL133409D A NL 133409DA NL 133409 C NL133409 C NL 133409C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44303A US3023278A (en) | 1960-07-21 | 1960-07-21 | Four wire line concentrator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL133409C true NL133409C (ko) |
Family
ID=21931618
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL266047D NL266047A (ko) | 1960-07-21 | ||
| NL133409D NL133409C (ko) | 1960-07-21 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL266047D NL266047A (ko) | 1960-07-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3023278A (ko) |
| BE (1) | BE600136A (ko) |
| CH (1) | CH394309A (ko) |
| DE (1) | DE1200377B (ko) |
| ES (1) | ES268976A1 (ko) |
| GB (1) | GB968107A (ko) |
| NL (2) | NL133409C (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1049359A (en) * | 1965-07-26 | 1966-11-23 | Standard Telephones Cables Ltd | Improvements in or relating to electrical telecommunication circuits |
| NL136061C (ko) * | 1965-08-07 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE708943C (de) * | 1934-03-14 | 1941-08-01 | Lorenz Akt Ges C | Verfahren zur UEbertragung von Nachrichten mit Verlagerung der Sprechstroeme auf Teilstrecken der UEbertragungsleitung in verschiedene Frequenzbereiche |
| DE738028C (de) * | 1939-06-08 | 1943-07-31 | Lorenz C Ag | AEquivalente Teilnehmervierdrahtschaltung |
| DE754971C (de) * | 1939-09-30 | 1953-05-18 | Wilhelm Dr-Ing Ohnesorge | Nachrichtenuebertragungssystem |
| GB841555A (en) * | 1955-04-14 | 1960-07-20 | Post Office | Improvements in or relating to transmission systems |
| NL243662A (ko) * | 1955-08-23 | |||
| NL230913A (ko) * | 1959-03-13 | |||
| DE1113009B (de) * | 1960-02-12 | 1961-08-24 | Phil Habil Oskar Vierling Dr | Einrichtung zum Mitsprechen und Mithoeren an Vierdraht- und Zweidrahtstromkreisen |
-
0
- NL NL266047D patent/NL266047A/xx unknown
- NL NL133409D patent/NL133409C/xx active
-
1960
- 1960-07-21 US US44303A patent/US3023278A/en not_active Expired - Lifetime
-
1961
- 1961-02-13 BE BE600136A patent/BE600136A/fr unknown
- 1961-07-06 DE DEW30306A patent/DE1200377B/de active Pending
- 1961-07-11 ES ES0268976A patent/ES268976A1/es not_active Expired
- 1961-07-12 GB GB25219/61A patent/GB968107A/en not_active Expired
- 1961-07-18 CH CH844361A patent/CH394309A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE600136A (fr) | 1961-05-29 |
| ES268976A1 (es) | 1961-12-16 |
| US3023278A (en) | 1962-02-27 |
| CH394309A (de) | 1965-06-30 |
| NL266047A (ko) | |
| DE1200377B (de) | 1965-09-09 |
| GB968107A (en) | 1964-08-26 |