CA1099392A - Wired television broadcasting systems - Google Patents
Wired television broadcasting systemsInfo
- Publication number
- CA1099392A CA1099392A CA264,350A CA264350A CA1099392A CA 1099392 A CA1099392 A CA 1099392A CA 264350 A CA264350 A CA 264350A CA 1099392 A CA1099392 A CA 1099392A
- Authority
- CA
- Canada
- Prior art keywords
- channels
- phase
- conductive paths
- broadcasting system
- carrier frequency
- Prior art date
- 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
- H04N7/10—Adaptations for transmission by electrical cable
- H04N7/108—Adaptations for transmission by electrical cable the cable being constituted by a pair of wires
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/18—Networks for phase shifting
- H03H7/21—Networks for phase shifting providing two or more phase shifted output signals, e.g. n-phase output
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB44500/75 | 1975-10-29 | ||
| GB44500/75A GB1522033A (en) | 1975-10-29 | 1975-10-29 | Wired television broadcasting systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1099392A true CA1099392A (en) | 1981-04-14 |
Family
ID=10433602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA264,350A Expired CA1099392A (en) | 1975-10-29 | 1976-10-28 | Wired television broadcasting systems |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS5284914A (it) |
| AU (1) | AU503328B2 (it) |
| BE (1) | BE847710A (it) |
| CA (1) | CA1099392A (it) |
| CH (1) | CH595031A5 (it) |
| DE (1) | DE2648743C2 (it) |
| ES (1) | ES452873A1 (it) |
| FR (1) | FR2330235A1 (it) |
| GB (1) | GB1522033A (it) |
| IL (1) | IL50784A (it) |
| IT (1) | IT1121711B (it) |
| NL (1) | NL7611861A (it) |
| SE (1) | SE415623B (it) |
| ZA (1) | ZA766305B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| GB0516561D0 (en) * | 2005-08-12 | 2005-09-21 | Technetix Group Ltd | Signal splitter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2095341A (en) * | 1934-06-02 | 1937-10-12 | American Telephone & Telegraph | Electrooptical transmission system |
| GB780324A (en) * | 1954-05-18 | 1957-07-31 | Emi Ltd | Improvements relating to wired electrical signal distributing systems |
| GB1043232A (en) * | 1962-05-25 | 1966-09-21 | Communications Patents Ltd | Improved wired broadcasting systems and apparatus therefor |
| GB1052251A (it) * | 1962-10-22 | 1966-12-21 | ||
| GB1252942A (it) * | 1968-03-13 | 1971-11-10 | ||
| GB1272594A (en) * | 1968-08-09 | 1972-05-03 | Communications Patents Ltd | Improvements in and relating to wired broadcasting systems |
-
1975
- 1975-10-29 GB GB44500/75A patent/GB1522033A/en not_active Expired
-
1976
- 1976-10-22 ZA ZA766305A patent/ZA766305B/xx unknown
- 1976-10-26 NL NL7611861A patent/NL7611861A/xx not_active Application Discontinuation
- 1976-10-27 FR FR7633041A patent/FR2330235A1/fr active Granted
- 1976-10-27 DE DE2648743A patent/DE2648743C2/de not_active Expired
- 1976-10-27 IL IL50784A patent/IL50784A/xx unknown
- 1976-10-28 BE BE2055404A patent/BE847710A/xx not_active IP Right Cessation
- 1976-10-28 SE SE7611982A patent/SE415623B/xx unknown
- 1976-10-28 AU AU19110/76A patent/AU503328B2/en not_active Expired
- 1976-10-28 CH CH1357976A patent/CH595031A5/xx not_active IP Right Cessation
- 1976-10-28 CA CA264,350A patent/CA1099392A/en not_active Expired
- 1976-10-29 JP JP12955376A patent/JPS5284914A/ja active Pending
- 1976-10-29 IT IT51967/76A patent/IT1121711B/it active
- 1976-10-29 ES ES452873A patent/ES452873A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2330235A1 (fr) | 1977-05-27 |
| ES452873A1 (es) | 1977-11-01 |
| IL50784A0 (en) | 1976-12-31 |
| AU1911076A (en) | 1978-05-04 |
| JPS5284914A (en) | 1977-07-14 |
| DE2648743C2 (de) | 1983-01-20 |
| DE2648743A1 (de) | 1977-05-05 |
| NL7611861A (nl) | 1977-05-03 |
| IL50784A (en) | 1978-08-31 |
| CH595031A5 (it) | 1978-01-31 |
| SE7611982L (sv) | 1977-04-30 |
| GB1522033A (en) | 1978-08-23 |
| FR2330235B1 (it) | 1983-11-18 |
| IT1121711B (it) | 1986-04-23 |
| AU503328B2 (en) | 1979-08-30 |
| SE415623B (sv) | 1980-10-13 |
| BE847710A (fr) | 1977-02-14 |
| ZA766305B (en) | 1977-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |