NL7904024A - BROADCASTING SCHEMES. - Google Patents
BROADCASTING SCHEMES.Info
- Publication number
- NL7904024A NL7904024A NL7904024A NL7904024A NL7904024A NL 7904024 A NL7904024 A NL 7904024A NL 7904024 A NL7904024 A NL 7904024A NL 7904024 A NL7904024 A NL 7904024A NL 7904024 A NL7904024 A NL 7904024A
- Authority
- NL
- Netherlands
- Prior art keywords
- broadcasting schemes
- broadcasting
- schemes
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2155278A GB1598970A (en) | 1978-05-23 | 1978-05-23 | Wired broadcasting systems |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7904024A true NL7904024A (en) | 1979-11-27 |
Family
ID=10164829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7904024A NL7904024A (en) | 1978-05-23 | 1979-05-22 | BROADCASTING SCHEMES. |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5510294A (en) |
DE (1) | DE2919223A1 (en) |
FR (1) | FR2427022A1 (en) |
GB (1) | GB1598970A (en) |
NL (1) | NL7904024A (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1272594A (en) * | 1968-08-09 | 1972-05-03 | Communications Patents Ltd | Improvements in and relating to wired broadcasting systems |
US3899633A (en) * | 1972-05-12 | 1975-08-12 | Columbia Pictures Ind Inc | Subscription television system |
GB1567455A (en) * | 1976-11-10 | 1980-05-14 | Communications Patents Ltd | Electronic switching |
GB1589914A (en) * | 1976-11-10 | 1981-05-20 | Communications Patents Ltd | Logic circuits |
-
1978
- 1978-05-23 GB GB2155278A patent/GB1598970A/en not_active Expired
-
1979
- 1979-05-12 DE DE19792919223 patent/DE2919223A1/en not_active Withdrawn
- 1979-05-22 NL NL7904024A patent/NL7904024A/en not_active Application Discontinuation
- 1979-05-23 FR FR7913075A patent/FR2427022A1/en active Pending
- 1979-05-23 JP JP6378479A patent/JPS5510294A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2427022A1 (en) | 1979-12-21 |
GB1598970A (en) | 1981-09-30 |
JPS5510294A (en) | 1980-01-24 |
DE2919223A1 (en) | 1979-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |