IT1032713B - Sistema televisivo via cavo - Google Patents
Sistema televisivo via cavoInfo
- Publication number
- IT1032713B IT1032713B IT6799675A IT6799675A IT1032713B IT 1032713 B IT1032713 B IT 1032713B IT 6799675 A IT6799675 A IT 6799675A IT 6799675 A IT6799675 A IT 6799675A IT 1032713 B IT1032713 B IT 1032713B
- Authority
- IT
- Italy
- Prior art keywords
- television system
- cable television
- cable
- television
- 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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Details Of Television Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7405405A NL7405405A (nl) | 1974-04-22 | 1974-04-22 | Televisiedistributiesysteem. |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1032713B true IT1032713B (it) | 1979-06-20 |
Family
ID=19821200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT6799675A IT1032713B (it) | 1974-04-22 | 1975-04-18 | Sistema televisivo via cavo |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS604633B2 (fr) |
AT (1) | AT337277B (fr) |
AU (1) | AU500019B2 (fr) |
BE (1) | BE828232A (fr) |
CA (1) | CA1055597A (fr) |
CH (1) | CH585994A5 (fr) |
DE (1) | DE2457492C2 (fr) |
DK (1) | DK168775A (fr) |
FR (1) | FR2268418B1 (fr) |
GB (1) | GB1506924A (fr) |
IT (1) | IT1032713B (fr) |
NL (1) | NL7405405A (fr) |
SE (1) | SE404121B (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2807986A1 (de) * | 1978-02-22 | 1979-08-30 | Hertz Inst Heinrich | Anlage fuer interaktives kabelfernsehen |
CA1142244A (fr) * | 1979-08-22 | 1983-03-01 | Eric J. Gargini | Systeme de telediffusion par cables a selection de programme commandee par l'abonne |
NL8006976A (nl) * | 1980-12-22 | 1982-07-16 | Delta Kabel Bv | Schakelstelsel. |
US4491983A (en) * | 1981-05-14 | 1985-01-01 | Times Fiber Communications, Inc. | Information distribution system |
AT382276B (de) * | 1981-08-03 | 1987-02-10 | Elektromos Hiradastechnikai Ki | Mit einem antennensystem fuer einen bezirk zusammengebautes zweiweg-nachrichtensystem zwischen zwei oder mehreren beliebigen teilnehmern |
GB2117210A (en) * | 1982-01-26 | 1983-10-05 | Kenneth James Fenning | Video transmission system |
CA1177558A (fr) * | 1982-04-15 | 1984-11-06 | Groupe Videotron Ltee. (Le) | Systeme de transmission de donnees par reseau cable |
GB2164229B (en) * | 1982-05-14 | 1986-08-20 | Communications Patents Ltd | Communications system |
EP0401873A3 (fr) * | 1982-05-14 | 1991-09-18 | Communications Patents Limited | Système de communication |
GB2127257A (en) * | 1982-08-17 | 1984-04-04 | Visionhire Cable Limited | Distribution apparatus |
DE3246225C2 (de) * | 1982-12-14 | 1985-07-18 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Breitbandverteilsystem hoher Kanalzahl |
DE3339636A1 (de) * | 1983-11-02 | 1985-05-15 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Kabelfernsehsystem |
FR2558674B1 (fr) * | 1984-01-19 | 1988-05-06 | Telecommunications Sa | Reseau de distribution de videocommunication |
NL8400860A (nl) * | 1984-03-16 | 1985-10-16 | Nl Standard Electric Mij B V | Kabeltelevisienetwerk. |
EP0167237A3 (fr) * | 1984-05-31 | 1988-08-03 | AMERICAN TELEVISION & COMMUNICATIONS CORPORATION | Système de télévision par câble |
GB8428647D0 (en) * | 1984-11-13 | 1984-12-19 | Communications Patents Ltd | Communication system |
US4887152A (en) * | 1987-01-30 | 1989-12-12 | Sony Corporation | Message delivery system operable in an override mode upon reception of a command signal |
JP2658030B2 (ja) * | 1987-01-30 | 1997-09-30 | ソニー株式会社 | 情報伝送装置 |
DE3840254C1 (fr) * | 1988-11-29 | 1990-06-07 | Neuberger Nachrichten- Und Antennentechnik Gmbh, 8000 Muenchen, De |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3639840A (en) * | 1969-11-28 | 1972-02-01 | Spencer Kennedy Lab Inc | Multicarrier transmission system |
-
1974
- 1974-04-22 NL NL7405405A patent/NL7405405A/xx not_active Application Discontinuation
- 1974-12-05 DE DE19742457492 patent/DE2457492C2/de not_active Expired
-
1975
- 1975-04-15 CA CA224,652A patent/CA1055597A/fr not_active Expired
- 1975-04-18 IT IT6799675A patent/IT1032713B/it active
- 1975-04-18 CH CH500375A patent/CH585994A5/xx not_active IP Right Cessation
- 1975-04-18 GB GB1607875A patent/GB1506924A/en not_active Expired
- 1975-04-18 DK DK168775A patent/DK168775A/da active IP Right Grant
- 1975-04-18 SE SE7504478A patent/SE404121B/xx not_active IP Right Cessation
- 1975-04-21 AU AU80334/75A patent/AU500019B2/en not_active Expired
- 1975-04-22 JP JP4904175A patent/JPS604633B2/ja not_active Expired
- 1975-04-22 FR FR7512482A patent/FR2268418B1/fr not_active Expired
- 1975-04-22 AT AT307775A patent/AT337277B/de not_active IP Right Cessation
- 1975-04-22 BE BE155646A patent/BE828232A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK168775A (da) | 1975-10-23 |
AU500019B2 (en) | 1979-05-10 |
JPS512354A (ja) | 1976-01-09 |
CA1055597A (fr) | 1979-05-29 |
FR2268418B1 (fr) | 1982-05-28 |
ATA307775A (de) | 1976-10-15 |
SE404121B (sv) | 1978-09-18 |
AU8033475A (en) | 1976-10-28 |
AT337277B (de) | 1977-06-27 |
GB1506924A (en) | 1978-04-12 |
CH585994A5 (fr) | 1977-03-15 |
FR2268418A1 (fr) | 1975-11-14 |
SE7504478L (sv) | 1975-10-23 |
DE2457492A1 (de) | 1975-10-30 |
BE828232A (fr) | 1975-10-22 |
NL7405405A (nl) | 1975-10-24 |
JPS604633B2 (ja) | 1985-02-05 |
DE2457492C2 (de) | 1983-06-01 |
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