LU72374A1 - - Google Patents
Info
- Publication number
- LU72374A1 LU72374A1 LU72374A LU72374A LU72374A1 LU 72374 A1 LU72374 A1 LU 72374A1 LU 72374 A LU72374 A LU 72374A LU 72374 A LU72374 A LU 72374A LU 72374 A1 LU72374 A1 LU 72374A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17345—Control of the passage of the selected programme
- H04N7/17354—Control of the passage of the selected programme in an intermediate station common to a plurality of user terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2421002A DE2421002C3 (de) | 1974-04-30 | 1974-04-30 | Nachrichtenvermittlungssystem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU72374A1 true LU72374A1 (xx) | 1975-08-26 |
Family
ID=5914383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU72374A LU72374A1 (xx) | 1974-04-30 | 1975-04-28 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3980831A (xx) |
| JP (1) | JPS50151006A (xx) |
| AT (1) | AT337262B (xx) |
| BE (1) | BE828610A (xx) |
| CH (1) | CH599728A5 (xx) |
| DE (1) | DE2421002C3 (xx) |
| DK (1) | DK142010C (xx) |
| FR (1) | FR2269829B1 (xx) |
| GB (1) | GB1495476A (xx) |
| IT (1) | IT1037504B (xx) |
| LU (1) | LU72374A1 (xx) |
| NL (1) | NL169943C (xx) |
| SE (1) | SE401592B (xx) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2919618C2 (de) * | 1979-05-16 | 1981-06-19 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Schaltungsanordnung für mit PCM-Anschlußleitungen verbundene Fernsprechapparate |
| DE2944784C2 (de) * | 1979-11-06 | 1982-04-29 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Breitband-Vermittlungssystem |
| DE2951512A1 (de) * | 1979-12-20 | 1981-07-02 | Siemens AG, 1000 Berlin und 8000 München | Breitband-vermittlungssystem |
| DE3138473A1 (de) * | 1981-09-26 | 1983-05-26 | AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang | Dienstintegriertes nachrichtenuebertragungs- und vermittlungsnetz fuer bild, ton und daten |
| DE3204900C2 (de) * | 1982-02-12 | 1983-12-15 | Siemens AG, 1000 Berlin und 8000 München | Koppelanordnung |
| CA1175964A (en) * | 1982-02-22 | 1984-10-09 | John A. Barsellotti | Two wire voice and data subscriber loop |
| DE3210674A1 (de) * | 1982-03-23 | 1983-10-06 | Siemens Ag | Dienstintegriertes nachrichtenuebertragungs- und -vermittlungssystem fuer schmalband- und breitband-dienste |
| US4539676A (en) * | 1982-05-03 | 1985-09-03 | At&T Bell Laboratories | Bulk/interactive data switching system |
| DE3438293C3 (de) * | 1984-10-19 | 1993-11-18 | Telefonbau & Normalzeit Gmbh | Vorrichtung zur Freigabe der Benutzung von Fernsehgeräten |
| RU2098922C1 (ru) * | 1985-10-22 | 1997-12-10 | Сименс АГ | Устройство коммутации широкополосных сигналов |
| LU86455A1 (de) * | 1985-10-28 | 1986-11-13 | Siemens Ag | Breitbandsignal-raumkoppeleinrichtung |
| LU86456A1 (de) * | 1985-11-04 | 1986-11-13 | Siemens Ag | Breitbandsignal-raumkoppeleinrichtung |
| US4769833A (en) * | 1986-03-31 | 1988-09-06 | American Telephone And Telegraph Company | Wideband switching system |
| LU86788A1 (de) * | 1986-06-19 | 1987-07-24 | Siemens Ag | Breitbandsignal-koppeleinrichtung |
| LU86787A1 (de) * | 1986-06-19 | 1987-07-24 | Siemens Ag | Breitbandsignal-koppeleinrichtung |
| LU86790A1 (de) * | 1986-09-17 | 1987-07-24 | Siemens Ag | Breitbandsignal-koppeleinrichtung |
| LU86915A1 (de) * | 1986-10-07 | 1987-11-11 | Siemens Ag | Breitbandsignal-koppeleinrichtung |
| LU87165A1 (de) * | 1987-08-20 | 1988-08-23 | Siemens Ag | Mehrstufige koppelanordnung |
| LU87147A1 (de) * | 1987-10-14 | 1988-07-14 | Siemens Ag | Breitbandsignal-koppeleinrichtung |
| ATE98076T1 (de) * | 1988-08-08 | 1993-12-15 | Siemens Ag | Breitbandsignal-koppeleinrichtung. |
| US5221922A (en) * | 1988-08-08 | 1993-06-22 | Siemens Aktiengesellschaft | Broadband signal switching matrix network |
| GB2263041B (en) * | 1991-12-30 | 1996-03-20 | Nynex Corp | System for integrated distribution of switched voice and television on coaxial cable and with video signal transmission originating from subscriber locations |
| DE4204461C1 (xx) * | 1992-02-14 | 1993-07-15 | Siemens Ag, 8000 Muenchen, De | |
| US5488413A (en) * | 1994-06-14 | 1996-01-30 | Xel Communications, Inc. | CATV telephony system using subsplit band for both directions of transmission |
| US6567981B1 (en) | 1998-08-03 | 2003-05-20 | Elysium Broadband Inc. | Audio/video signal redistribution system |
-
1974
- 1974-04-30 DE DE2421002A patent/DE2421002C3/de not_active Expired
-
1975
- 1975-03-18 AT AT207875A patent/AT337262B/de not_active IP Right Cessation
- 1975-04-09 CH CH448375A patent/CH599728A5/xx not_active IP Right Cessation
- 1975-04-10 GB GB14671/75A patent/GB1495476A/en not_active Expired
- 1975-04-23 IT IT22646/75A patent/IT1037504B/it active
- 1975-04-25 FR FR7512997A patent/FR2269829B1/fr not_active Expired
- 1975-04-28 DK DK183875A patent/DK142010C/da not_active IP Right Cessation
- 1975-04-28 LU LU72374A patent/LU72374A1/xx unknown
- 1975-04-28 NL NLAANVRAGE7505028,A patent/NL169943C/xx not_active IP Right Cessation
- 1975-04-30 BE BE155972A patent/BE828610A/xx not_active IP Right Cessation
- 1975-04-30 US US05/573,600 patent/US3980831A/en not_active Expired - Lifetime
- 1975-04-30 JP JP50052419A patent/JPS50151006A/ja active Pending
- 1975-04-30 SE SE7505081A patent/SE401592B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE401592B (sv) | 1978-05-16 |
| NL169943C (nl) | 1982-09-01 |
| US3980831A (en) | 1976-09-14 |
| DK142010B (da) | 1980-08-04 |
| DE2421002A1 (de) | 1975-11-06 |
| AT337262B (de) | 1977-06-27 |
| NL169943B (nl) | 1982-04-01 |
| DK183875A (da) | 1975-10-31 |
| GB1495476A (en) | 1977-12-21 |
| SE7505081L (sv) | 1975-12-29 |
| FR2269829A1 (xx) | 1975-11-28 |
| JPS50151006A (xx) | 1975-12-04 |
| DE2421002B2 (de) | 1976-11-18 |
| NL7505028A (nl) | 1975-11-03 |
| FR2269829B1 (xx) | 1980-05-30 |
| DE2421002C3 (de) | 1980-07-03 |
| BE828610A (fr) | 1975-10-30 |
| DK142010C (da) | 1980-12-22 |
| CH599728A5 (xx) | 1978-05-31 |
| IT1037504B (it) | 1979-11-20 |
| ATA207875A (de) | 1976-10-15 |