JPS50133701A - - Google Patents
Info
- Publication number
- JPS50133701A JPS50133701A JP50031230A JP3123075A JPS50133701A JP S50133701 A JPS50133701 A JP S50133701A JP 50031230 A JP50031230 A JP 50031230A JP 3123075 A JP3123075 A JP 3123075A JP S50133701 A JPS50133701 A JP S50133701A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB11791/74A GB1480749A (en) | 1974-03-16 | 1974-03-16 | Wired broadcasting systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50133701A true JPS50133701A (en) | 1975-10-23 |
Family
ID=9992776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50031230A Pending JPS50133701A (en) | 1974-03-16 | 1975-03-17 |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS50133701A (en) |
| BE (1) | BE826763A (en) |
| CA (1) | CA1052446A (en) |
| CH (1) | CH589981A5 (en) |
| DE (1) | DE2510865C3 (en) |
| ES (1) | ES435664A1 (en) |
| FR (1) | FR2264447B1 (en) |
| GB (1) | GB1480749A (en) |
| IL (1) | IL46827A (en) |
| IT (1) | IT1032322B (en) |
| NL (1) | NL183694B (en) |
| SE (1) | SE407002B (en) |
| ZA (1) | ZA751615B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4135157A (en) * | 1977-03-28 | 1979-01-16 | Oak Industries Inc. | Pole mounted converter |
| DE2807986A1 (en) * | 1978-02-22 | 1979-08-30 | Hertz Inst Heinrich | SYSTEM FOR INTERACTIVE CABLE TV |
| CA1142244A (en) * | 1979-08-22 | 1983-03-01 | Eric J. Gargini | Wired broadcasting system with subscriber controlled switched programme selection |
| DE2951512A1 (en) * | 1979-12-20 | 1981-07-02 | Siemens AG, 1000 Berlin und 8000 München | BROADBAND SWITCHING SYSTEM |
| FR2515400A1 (en) * | 1981-10-26 | 1983-04-29 | Visiodis Sa | FDM system for remote control of surveillance cameras - uses frequency converters at remotely controlled concentrator for transposed base band signals |
| GB2127257A (en) * | 1982-08-17 | 1984-04-04 | Visionhire Cable Limited | Distribution apparatus |
| DE3301208A1 (en) * | 1983-01-15 | 1984-07-26 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Broadband switching network |
| FI19992812A (en) * | 1999-12-29 | 2001-06-30 | Helsingin Puhelin Oyj | Method of increasing the data transmission capacity of a data transmission network, such as a cable TV network |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3073906A (en) * | 1959-06-16 | 1963-01-15 | Bell Telephone Labor Inc | Line concentrating telephone system |
| BE632218A (en) * | 1963-05-31 | |||
| GB1272594A (en) * | 1968-08-09 | 1972-05-03 | Communications Patents Ltd | Improvements in and relating to wired broadcasting systems |
-
1974
- 1974-03-16 GB GB11791/74A patent/GB1480749A/en not_active Expired
-
1975
- 1975-03-12 CH CH311175A patent/CH589981A5/xx not_active IP Right Cessation
- 1975-03-13 SE SE7502806A patent/SE407002B/en not_active IP Right Cessation
- 1975-03-13 IL IL46827A patent/IL46827A/en unknown
- 1975-03-13 CA CA221,995A patent/CA1052446A/en not_active Expired
- 1975-03-13 DE DE2510865A patent/DE2510865C3/en not_active Expired
- 1975-03-14 ZA ZA00751615A patent/ZA751615B/en unknown
- 1975-03-14 IT IT48621/75A patent/IT1032322B/en active
- 1975-03-14 FR FR7508819A patent/FR2264447B1/fr not_active Expired
- 1975-03-14 NL NLAANVRAGE7503107,A patent/NL183694B/en not_active Application Discontinuation
- 1975-03-15 ES ES435664A patent/ES435664A1/en not_active Expired
- 1975-03-17 JP JP50031230A patent/JPS50133701A/ja active Pending
- 1975-03-17 BE BE154398A patent/BE826763A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IL46827A (en) | 1977-07-31 |
| BE826763A (en) | 1975-07-16 |
| NL7503107A (en) | 1975-09-18 |
| ZA751615B (en) | 1976-02-25 |
| SE407002B (en) | 1979-03-05 |
| FR2264447A1 (en) | 1975-10-10 |
| IL46827A0 (en) | 1975-05-22 |
| DE2510865A1 (en) | 1975-09-18 |
| GB1480749A (en) | 1977-07-20 |
| CH589981A5 (en) | 1977-07-29 |
| NL183694B (en) | 1988-07-18 |
| SE7502806L (en) | 1975-09-17 |
| IT1032322B (en) | 1979-05-30 |
| DE2510865C3 (en) | 1983-11-10 |
| CA1052446A (en) | 1979-04-10 |
| FR2264447B1 (en) | 1981-07-24 |
| DE2510865B2 (en) | 1978-12-14 |
| ES435664A1 (en) | 1976-12-01 |