IT1041141B - Perfezionamenti relativi a sistemi di radidiffusione via cavo - Google Patents
Perfezionamenti relativi a sistemi di radidiffusione via cavoInfo
- Publication number
- IT1041141B IT1041141B IT50824/75A IT5082475A IT1041141B IT 1041141 B IT1041141 B IT 1041141B IT 50824/75 A IT50824/75 A IT 50824/75A IT 5082475 A IT5082475 A IT 5082475A IT 1041141 B IT1041141 B IT 1041141B
- Authority
- IT
- Italy
- Prior art keywords
- broadcasting systems
- cable broadcasting
- references related
- references
- cable
- 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
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/10—Arrangements for replacing or switching information during the broadcast or the distribution
- H04H20/103—Transmitter-side switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/38—Arrangements for distribution where lower stations, e.g. receivers, interact with the broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Telephonic Communication Services (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB34512/74A GB1512376A (en) | 1974-08-06 | 1974-08-06 | Wired broadcasting systems |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1041141B true IT1041141B (it) | 1980-01-10 |
Family
ID=10366579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT50824/75A IT1041141B (it) | 1974-08-06 | 1975-08-05 | Perfezionamenti relativi a sistemi di radidiffusione via cavo |
Country Status (15)
Country | Link |
---|---|
US (1) | US4013963A (it) |
JP (1) | JPS5144417A (it) |
AU (1) | AU502005B2 (it) |
BE (1) | BE832149A (it) |
CA (1) | CA1070768A (it) |
CH (2) | CH603017A5 (it) |
DE (1) | DE2534734C3 (it) |
ES (1) | ES440067A1 (it) |
FR (1) | FR2281684A1 (it) |
GB (1) | GB1512376A (it) |
IL (2) | IL47884A (it) |
IT (1) | IT1041141B (it) |
NL (1) | NL7509325A (it) |
SE (1) | SE409634B (it) |
ZA (1) | ZA754999B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1142244A (en) * | 1979-08-22 | 1983-03-01 | Eric J. Gargini | Wired broadcasting system with subscriber controlled switched programme selection |
JPS57160018A (en) * | 1981-03-27 | 1982-10-02 | Sumitomo Metal Mining Co Ltd | Interface detecting device of pulse column extraction tower |
JPS617422A (ja) * | 1984-06-20 | 1986-01-14 | Ngk Spark Plug Co Ltd | 液面レベル検出方法 |
JPH01304322A (ja) * | 1988-06-02 | 1989-12-07 | Shizuoka Prefecture | 懸濁異物の界面測定装置 |
EP3287254B1 (de) | 2016-08-24 | 2022-08-03 | Promix Solutions AG | Mischerstruktur für ein folienwerkzeug und folienwerkzeug |
KR102556080B1 (ko) * | 2022-11-01 | 2023-07-18 | 신영호 | 취급 간편 엘이디 전등기구 조명장치 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1162377A (en) * | 1966-09-13 | 1969-08-27 | Communications Patents Ltd | Wired Broadcasting Systems and Apparatus therefor |
GB1252942A (it) * | 1968-03-13 | 1971-11-10 | ||
GB1314457A (en) * | 1970-11-12 | 1973-04-26 | Communications Patents Ltd | Wired broadcasting systems |
US3790700A (en) * | 1971-12-17 | 1974-02-05 | Hughes Aircraft Co | Catv program control system |
US3911204A (en) * | 1973-06-25 | 1975-10-07 | Murray K Gordon | Telephone addressed closed circuit television converter system |
US3914534A (en) * | 1973-10-29 | 1975-10-21 | Magnavox Co | Methods and apparatus for scrambling and unscrambling premium television channels |
US3886302A (en) * | 1974-01-28 | 1975-05-27 | Hughes Aircraft Co | Closed circuit television modem sharing system |
-
1974
- 1974-08-06 GB GB34512/74A patent/GB1512376A/en not_active Expired
-
1975
- 1975-08-04 ZA ZA00754999A patent/ZA754999B/xx unknown
- 1975-08-04 DE DE2534734A patent/DE2534734C3/de not_active Expired
- 1975-08-05 SE SE7508817A patent/SE409634B/xx unknown
- 1975-08-05 CA CA232,814A patent/CA1070768A/en not_active Expired
- 1975-08-05 IL IL47884A patent/IL47884A/xx unknown
- 1975-08-05 NL NL7509325A patent/NL7509325A/xx not_active Application Discontinuation
- 1975-08-05 IT IT50824/75A patent/IT1041141B/it active
- 1975-08-06 CH CH324577A patent/CH603017A5/xx not_active IP Right Cessation
- 1975-08-06 ES ES440067A patent/ES440067A1/es not_active Expired
- 1975-08-06 BE BE158956A patent/BE832149A/xx unknown
- 1975-08-06 FR FR7525286A patent/FR2281684A1/fr active Granted
- 1975-08-06 US US05/602,534 patent/US4013963A/en not_active Expired - Lifetime
- 1975-08-06 CH CH1026475A patent/CH603016A5/xx not_active IP Right Cessation
- 1975-08-06 AU AU83730/75A patent/AU502005B2/en not_active Expired
- 1975-08-06 JP JP50095078A patent/JPS5144417A/ja active Pending
-
1977
- 1977-07-14 IL IL52530A patent/IL52530A0/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE832149A (fr) | 1975-12-01 |
SE7508817L (sv) | 1976-02-09 |
US4013963A (en) | 1977-03-22 |
SE409634B (sv) | 1979-08-27 |
GB1512376A (en) | 1978-06-01 |
IL47884A (en) | 1978-04-30 |
IL47884A0 (en) | 1975-11-25 |
AU8373075A (en) | 1977-02-10 |
ZA754999B (en) | 1976-07-28 |
AU502005B2 (en) | 1979-07-12 |
DE2534734A1 (de) | 1976-02-26 |
CH603016A5 (it) | 1978-08-15 |
JPS5144417A (it) | 1976-04-16 |
FR2281684A1 (fr) | 1976-03-05 |
CA1070768A (en) | 1980-01-29 |
DE2534734C3 (de) | 1979-10-31 |
DE2534734B2 (de) | 1979-03-08 |
CH603017A5 (it) | 1978-08-15 |
FR2281684B1 (it) | 1979-05-18 |
NL7509325A (nl) | 1976-02-10 |
ES440067A1 (es) | 1977-02-16 |
IL52530A0 (en) | 1977-10-31 |
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