IT973762B - Perfezionamento nei sistemi di filodiffusione o relativi ad essi - Google Patents
Perfezionamento nei sistemi di filodiffusione o relativi ad essiInfo
- Publication number
- IT973762B IT973762B IT54325/72A IT5432572A IT973762B IT 973762 B IT973762 B IT 973762B IT 54325/72 A IT54325/72 A IT 54325/72A IT 5432572 A IT5432572 A IT 5432572A IT 973762 B IT973762 B IT 973762B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- wire
- transfusion systems
- transfusion
- systems
- 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)
- Telephonic Communication Services (AREA)
- Interface Circuits In Exchanges (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5629971A GB1414127A (en) | 1971-12-03 | 1971-12-03 | Wired broadcasting systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT973762B true IT973762B (it) | 1974-06-10 |
Family
ID=10476280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT54325/72A IT973762B (it) | 1971-12-03 | 1972-11-28 | Perfezionamento nei sistemi di filodiffusione o relativi ad essi |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3886456A (it) |
| JP (1) | JPS4865831A (it) |
| BE (1) | BE792215A (it) |
| CA (1) | CA965526A (it) |
| CH (1) | CH549919A (it) |
| DE (2) | DE2265451C2 (it) |
| ES (1) | ES409180A1 (it) |
| FR (1) | FR2162236B1 (it) |
| GB (1) | GB1414127A (it) |
| IL (1) | IL40843A (it) |
| IT (1) | IT973762B (it) |
| MT (1) | MTP731B (it) |
| NL (1) | NL7216232A (it) |
| SE (1) | SE383817B (it) |
| ZA (1) | ZA728071B (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4386365A (en) * | 1979-06-19 | 1983-05-31 | Communications Patents Limited | Combined wired broadcasting and viewphone system |
| CA1284211C (en) * | 1985-04-29 | 1991-05-14 | Terrence Henry Pocock | Cable television system selectively distributing pre-recorder video and audio messages |
| GB9201996D0 (en) * | 1992-01-30 | 1992-03-18 | Millicom Satellite Tv Services | Communication systems |
| US5539635A (en) * | 1994-07-19 | 1996-07-23 | Larson, Jr.; Ernest J. | Radio station program identifier and distribution system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1536780A (fr) * | Communications Patents Ltd | Dispositifs et appareils de télédiffusion par fils | ||
| DE884050C (de) | 1937-08-08 | 1953-07-23 | Siemens Ag | Traegerfrequenzdrahtfunk-Verteilungsanlage |
| GB954916A (en) * | 1961-03-01 | 1964-04-08 | Pye Ltd | Signal distribution system |
| NL299742A (it) * | 1962-10-25 | |||
| US3277243A (en) * | 1962-12-19 | 1966-10-04 | Burroughs Corp | Telephone adapter |
| DE1940497U (de) | 1966-04-22 | 1966-06-08 | Broads Mfg Company Ltd | Mannlochabdeckung. |
| US3587053A (en) * | 1968-06-10 | 1971-06-22 | Bell Telephone Labor Inc | Audio visual information processing and communication system |
| GB1272594A (en) * | 1968-08-09 | 1972-05-03 | Communications Patents Ltd | Improvements in and relating to wired broadcasting systems |
| US3691295A (en) * | 1970-03-31 | 1972-09-12 | Ibm | Two-way communication system for video and digital data |
-
1971
- 1971-12-03 GB GB5629971A patent/GB1414127A/en not_active Expired
-
1972
- 1972-11-13 MT MT731A patent/MTP731B/xx unknown
- 1972-11-14 ZA ZA728071A patent/ZA728071B/xx unknown
- 1972-11-14 IL IL40843A patent/IL40843A/xx unknown
- 1972-11-28 CH CH1733372A patent/CH549919A/xx not_active IP Right Cessation
- 1972-11-28 US US310118A patent/US3886456A/en not_active Expired - Lifetime
- 1972-11-28 IT IT54325/72A patent/IT973762B/it active
- 1972-11-29 DE DE2265451A patent/DE2265451C2/de not_active Expired
- 1972-11-29 DE DE2258416A patent/DE2258416C3/de not_active Expired
- 1972-11-30 NL NL7216232A patent/NL7216232A/xx not_active Application Discontinuation
- 1972-12-01 FR FR7243474A patent/FR2162236B1/fr not_active Expired
- 1972-12-01 BE BE792215D patent/BE792215A/xx unknown
- 1972-12-01 CA CA158,475A patent/CA965526A/en not_active Expired
- 1972-12-01 ES ES409180A patent/ES409180A1/es not_active Expired
- 1972-12-04 SE SE7215750A patent/SE383817B/xx unknown
- 1972-12-04 JP JP47120750A patent/JPS4865831A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2258416B2 (de) | 1978-12-07 |
| DE2258416C3 (de) | 1979-08-09 |
| IL40843A0 (en) | 1973-01-30 |
| DE2265451C2 (de) | 1982-02-18 |
| NL7216232A (it) | 1973-06-05 |
| MTP731B (en) | 1973-08-10 |
| AU4932372A (en) | 1974-05-30 |
| FR2162236A1 (it) | 1973-07-13 |
| CA965526A (en) | 1975-04-01 |
| DE2258416A1 (de) | 1973-06-07 |
| CH549919A (de) | 1974-05-31 |
| JPS4865831A (it) | 1973-09-10 |
| FR2162236B1 (it) | 1977-08-26 |
| IL40843A (en) | 1975-10-15 |
| US3886456A (en) | 1975-05-27 |
| SE383817B (sv) | 1976-03-29 |
| BE792215A (fr) | 1973-03-30 |
| ES409180A1 (es) | 1976-01-01 |
| GB1414127A (en) | 1975-11-19 |
| ZA728071B (en) | 1973-09-26 |
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