DK0438934T3 - Very high frequency signal distribution system - Google Patents
Very high frequency signal distribution systemInfo
- Publication number
- DK0438934T3 DK0438934T3 DK90403390.9T DK90403390T DK0438934T3 DK 0438934 T3 DK0438934 T3 DK 0438934T3 DK 90403390 T DK90403390 T DK 90403390T DK 0438934 T3 DK0438934 T3 DK 0438934T3
- Authority
- DK
- Denmark
- Prior art keywords
- high frequency
- distribution system
- frequency signal
- signal distribution
- signals
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
- Transplanting Machines (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Transmitters (AREA)
- Superheterodyne Receivers (AREA)
- Amplifiers (AREA)
- Amplitude Modulation (AREA)
- Details Of Television Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Noise Elimination (AREA)
Abstract
The invention relates to a distribution system for very high frequency signals. This system comprises the use of a dual frequency conversion for the purposes of making it possible in particular to eliminate parasitic signals. It applies most particularly to the distribution of audio and video signals coming from satellites.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8915969A FR2655506B1 (en) | 1989-12-04 | 1989-12-04 | VERY HIGH FREQUENCY SIGNAL DISTRIBUTION SYSTEM. |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0438934T3 true DK0438934T3 (en) | 1996-02-05 |
Family
ID=9388104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK90403390.9T DK0438934T3 (en) | 1989-12-04 | 1990-11-29 | Very high frequency signal distribution system |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0438934B1 (en) |
JP (1) | JPH04151990A (en) |
KR (1) | KR950014650B1 (en) |
AT (1) | ATE127993T1 (en) |
DE (1) | DE69022389T2 (en) |
DK (1) | DK0438934T3 (en) |
ES (1) | ES2079458T3 (en) |
FR (1) | FR2655506B1 (en) |
GR (1) | GR3018210T3 (en) |
IE (1) | IE67876B1 (en) |
PT (1) | PT96063B (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61126878A (en) * | 1984-11-22 | 1986-06-14 | Maspro Denkoh Corp | Modulator |
US4747160A (en) * | 1987-03-13 | 1988-05-24 | Suite 12 Group | Low power multi-function cellular television system |
-
1989
- 1989-12-04 FR FR8915969A patent/FR2655506B1/en not_active Expired - Lifetime
-
1990
- 1990-11-29 EP EP90403390A patent/EP0438934B1/en not_active Expired - Lifetime
- 1990-11-29 DK DK90403390.9T patent/DK0438934T3/en active
- 1990-11-29 ES ES90403390T patent/ES2079458T3/en not_active Expired - Lifetime
- 1990-11-29 AT AT90403390T patent/ATE127993T1/en active
- 1990-11-29 DE DE69022389T patent/DE69022389T2/en not_active Expired - Fee Related
- 1990-12-03 PT PT96063A patent/PT96063B/en not_active IP Right Cessation
- 1990-12-03 IE IE434390A patent/IE67876B1/en not_active IP Right Cessation
- 1990-12-04 JP JP2403988A patent/JPH04151990A/en active Pending
- 1990-12-04 KR KR1019900019846A patent/KR950014650B1/en not_active IP Right Cessation
-
1995
- 1995-11-27 GR GR950403324T patent/GR3018210T3/en unknown
Also Published As
Publication number | Publication date |
---|---|
PT96063B (en) | 1998-08-31 |
ATE127993T1 (en) | 1995-09-15 |
PT96063A (en) | 1992-08-31 |
DE69022389D1 (en) | 1995-10-19 |
EP0438934A2 (en) | 1991-07-31 |
IE67876B1 (en) | 1996-05-01 |
EP0438934B1 (en) | 1995-09-13 |
KR910013940A (en) | 1991-08-08 |
DE69022389T2 (en) | 1996-04-04 |
IE904343A1 (en) | 1991-06-05 |
FR2655506A1 (en) | 1991-06-07 |
FR2655506B1 (en) | 1992-02-21 |
JPH04151990A (en) | 1992-05-25 |
ES2079458T3 (en) | 1996-01-16 |
GR3018210T3 (en) | 1996-02-29 |
EP0438934A3 (en) | 1991-08-07 |
KR950014650B1 (en) | 1995-12-11 |
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