DE4126774C2 - - Google Patents
Info
- Publication number
- DE4126774C2 DE4126774C2 DE19914126774 DE4126774A DE4126774C2 DE 4126774 C2 DE4126774 C2 DE 4126774C2 DE 19914126774 DE19914126774 DE 19914126774 DE 4126774 A DE4126774 A DE 4126774A DE 4126774 C2 DE4126774 C2 DE 4126774C2
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- channel
- astra
- channels
- local oscillator
- 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 - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000002452 interceptive effect Effects 0.000 claims description 10
- 230000010287 polarization Effects 0.000 claims description 5
- 108091006146 Channels Proteins 0.000 description 84
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
- H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/18—Modifications of frequency-changers for eliminating image frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Superheterodyne Receivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19914126774 DE4126774A1 (de) | 1991-08-13 | 1991-08-13 | Konverteranordnung zum empfang von satelliten-empfangssignalen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19914126774 DE4126774A1 (de) | 1991-08-13 | 1991-08-13 | Konverteranordnung zum empfang von satelliten-empfangssignalen |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4126774A1 DE4126774A1 (de) | 1993-02-18 |
DE4126774C2 true DE4126774C2 (enrdf_load_stackoverflow) | 1993-07-15 |
Family
ID=6438224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19914126774 Granted DE4126774A1 (de) | 1991-08-13 | 1991-08-13 | Konverteranordnung zum empfang von satelliten-empfangssignalen |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE4126774A1 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6947702B2 (en) | 1995-02-22 | 2005-09-20 | Global Communications, Inc. | Satellite broadcast receiving and distribution system |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4413189A1 (de) * | 1994-04-12 | 1995-10-26 | Xaver Hilser | Anordnung zur Kanalumsetzung |
US5805975A (en) * | 1995-02-22 | 1998-09-08 | Green, Sr.; James A. | Satellite broadcast receiving and distribution system |
DE19723175A1 (de) * | 1997-06-03 | 1998-12-10 | Bosch Gmbh Robert | Empfänger für unterschiedliche Frequenzbänder |
GB0030965D0 (en) * | 2000-12-19 | 2001-01-31 | Nokia Oy Ab | Improvements relating to satellite reception` |
DE10219847A1 (de) * | 2002-05-03 | 2003-11-27 | Kathrein Werke Kg | Verfahren sowie Vorrichtung zur Erzeugung zumindest eines Transponders in der Satelliten-Zwischenfrequenz-Ebene |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3200560A1 (de) * | 1982-01-12 | 1983-07-21 | Robert Bosch Gmbh, 7000 Stuttgart | "verfahren zur unterdrueckung von spiegelwellen- und intermodulationsstoerungen" |
CA1329640C (en) * | 1987-07-24 | 1994-05-17 | Miyoshi Yamauchi | Outdoor unit low noise converter for satellite broadcast reception use |
-
1991
- 1991-08-13 DE DE19914126774 patent/DE4126774A1/de active Granted
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6947702B2 (en) | 1995-02-22 | 2005-09-20 | Global Communications, Inc. | Satellite broadcast receiving and distribution system |
US7542717B2 (en) | 1995-02-22 | 2009-06-02 | Global Communications, Inc. | Satellite broadcast receiving and distribution system |
US7826791B2 (en) | 1995-02-22 | 2010-11-02 | Global Communications, Inc. | Satellite broadcast receiving and distribution system |
US8095064B2 (en) | 1995-02-22 | 2012-01-10 | Global Communications, Inc. | Satellite broadcast receiving and distribution system |
US8165520B2 (en) | 1995-02-22 | 2012-04-24 | Global Communications, Inc. | Satellite broadcast receiving and distribution system |
US8583029B2 (en) | 1995-02-22 | 2013-11-12 | Global Communications, Inc. | Satellite broadcast receiving and distribution system |
US8666307B2 (en) | 1995-02-22 | 2014-03-04 | Global Communications, Inc. | Satellite broadcast receiving and distribution system |
Also Published As
Publication number | Publication date |
---|---|
DE4126774A1 (de) | 1993-02-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |