FR2161122B1 - - Google Patents
Info
- Publication number
- FR2161122B1 FR2161122B1 FR7242698A FR7242698A FR2161122B1 FR 2161122 B1 FR2161122 B1 FR 2161122B1 FR 7242698 A FR7242698 A FR 7242698A FR 7242698 A FR7242698 A FR 7242698A FR 2161122 B1 FR2161122 B1 FR 2161122B1
- Authority
- FR
- France
- 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.)
- Expired
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
- H04N7/17309—Transmission or handling of upstream communications
-
- 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
- H04N2007/17372—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream transmission being initiated or timed by a signal from upstream of the user terminal
-
- 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
- H04N2007/1739—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream communication being transmitted via a separate link, e.g. telephone line
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5482271A GB1412586A (en) | 1971-11-25 | 1971-11-25 | Wired broadcasting systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2161122A1 FR2161122A1 (en) | 1973-07-06 |
| FR2161122B1 true FR2161122B1 (en) | 1978-03-03 |
Family
ID=10472182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7242698A Expired FR2161122B1 (en) | 1971-11-25 | 1972-11-24 |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS4864802A (en) |
| AU (1) | AU467268B2 (en) |
| BE (1) | BE791941A (en) |
| CH (1) | CH552316A (en) |
| DE (1) | DE2257644C3 (en) |
| ES (1) | ES408940A1 (en) |
| FR (1) | FR2161122B1 (en) |
| GB (1) | GB1412586A (en) |
| IL (1) | IL40808A (en) |
| IT (1) | IT973721B (en) |
| MT (1) | MTP730B (en) |
| NL (1) | NL7215797A (en) |
| SE (1) | SE387027B (en) |
| ZA (1) | ZA728024B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2917978C2 (en) * | 1979-05-04 | 1983-12-22 | Volker Joachim 4400 Münster Remme | Cable communication system |
| ATE16548T1 (en) * | 1982-04-29 | 1985-11-15 | Deltavisie Bv | SYSTEM FOR TRANSMISSION OF PROGRAM OR DATA SIGNALS. |
| DE3382546D1 (en) * | 1982-05-14 | 1992-05-27 | Communications Patents Ltd | COMMUNICATION SYSTEM. |
| GB2164229B (en) * | 1982-05-14 | 1986-08-20 | Communications Patents Ltd | Communications system |
| US4605958A (en) * | 1983-04-14 | 1986-08-12 | Control Data Corporation | Method and apparatus for detecting the channel to which an electronic receiver system is tuned |
| US4789860A (en) * | 1985-03-12 | 1988-12-06 | U.S. Philips Corp. | Interface between a receiver and a sub-system |
| US4896209A (en) * | 1987-02-10 | 1990-01-23 | Sony Corporation | Passenger vehicle polling system having a central unit for polling passenger seat terminal units |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1409479A (en) * | 1963-07-24 | 1965-08-27 | Skiatron Elect & Tele | slave transceivers called transponders retransmitting signals produced by the central station |
-
0
- BE BE791941D patent/BE791941A/en not_active IP Right Cessation
-
1971
- 1971-11-25 GB GB5482271A patent/GB1412586A/en not_active Expired
-
1972
- 1972-11-11 MT MT730A patent/MTP730B/en unknown
- 1972-11-12 IL IL40808A patent/IL40808A/en unknown
- 1972-11-13 ZA ZA728024A patent/ZA728024B/en unknown
- 1972-11-16 SE SE7214883A patent/SE387027B/en unknown
- 1972-11-20 CH CH1687272A patent/CH552316A/en not_active IP Right Cessation
- 1972-11-22 NL NL7215797A patent/NL7215797A/xx not_active Application Discontinuation
- 1972-11-23 AU AU49200/72A patent/AU467268B2/en not_active Expired
- 1972-11-24 ES ES408940A patent/ES408940A1/en not_active Expired
- 1972-11-24 IT IT54267/72A patent/IT973721B/en active
- 1972-11-24 FR FR7242698A patent/FR2161122B1/fr not_active Expired
- 1972-11-24 DE DE2257644A patent/DE2257644C3/en not_active Expired
- 1972-11-25 JP JP47117710A patent/JPS4864802A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1412586A (en) | 1975-11-05 |
| IT973721B (en) | 1974-06-10 |
| AU467268B2 (en) | 1975-11-27 |
| CH552316A (en) | 1974-07-31 |
| JPS4864802A (en) | 1973-09-07 |
| IL40808A (en) | 1976-08-31 |
| MTP730B (en) | 1973-08-10 |
| SE387027B (en) | 1976-08-23 |
| DE2257644B2 (en) | 1979-05-17 |
| AU4920072A (en) | 1974-05-23 |
| ES408940A1 (en) | 1975-10-16 |
| IL40808A0 (en) | 1973-01-30 |
| BE791941A (en) | 1973-03-16 |
| NL7215797A (en) | 1973-05-29 |
| DE2257644C3 (en) | 1980-01-17 |
| DE2257644A1 (en) | 1973-05-30 |
| FR2161122A1 (en) | 1973-07-06 |
| ZA728024B (en) | 1973-07-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |