BE775755A - Convertisseur de frequence pour installations d'antennes communes etanches au rayonnement - Google Patents
Convertisseur de frequence pour installations d'antennes communes etanches au rayonnementInfo
- Publication number
- BE775755A BE775755A BE775755A BE775755A BE775755A BE 775755 A BE775755 A BE 775755A BE 775755 A BE775755 A BE 775755A BE 775755 A BE775755 A BE 775755A BE 775755 A BE775755 A BE 775755A
- Authority
- BE
- Belgium
- Prior art keywords
- radiation
- frequency converter
- common antenna
- antenna installations
- tight common
- Prior art date
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
-
- 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
- H04H20/77—Wired systems using carrier waves
- H04H20/78—CATV [Community Antenna Television] systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Superheterodyne Receivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702057726 DE2057726C3 (de) | 1970-11-24 | Frequenzumsetzer für abstrahlungsdichte Gemeinschaftsantennenanlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE775755A true BE775755A (fr) | 1972-03-16 |
Family
ID=5788970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE775755A BE775755A (fr) | 1970-11-24 | 1971-11-24 | Convertisseur de frequence pour installations d'antennes communes etanches au rayonnement |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT312072B (de) |
| BE (1) | BE775755A (de) |
| FR (1) | FR2115387B1 (de) |
| GB (1) | GB1359233A (de) |
| IT (1) | IT945103B (de) |
| NL (1) | NL7116157A (de) |
-
1971
- 1971-11-23 GB GB5434371A patent/GB1359233A/en not_active Expired
- 1971-11-23 IT IT5428471A patent/IT945103B/it active
- 1971-11-24 NL NL7116157A patent/NL7116157A/xx not_active Application Discontinuation
- 1971-11-24 FR FR7142133A patent/FR2115387B1/fr not_active Expired
- 1971-11-24 BE BE775755A patent/BE775755A/xx unknown
- 1971-11-24 AT AT1012971A patent/AT312072B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT312072B (de) | 1973-12-10 |
| DE2057726B2 (de) | 1974-02-07 |
| FR2115387B1 (de) | 1977-08-05 |
| DE2057726A1 (de) | 1972-06-08 |
| FR2115387A1 (de) | 1972-07-07 |
| GB1359233A (en) | 1974-07-10 |
| IT945103B (it) | 1973-05-10 |
| NL7116157A (de) | 1972-05-26 |
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