DE69014450T2 - Empfangsvorrichtung für Richtfunkstrecken. - Google Patents
Empfangsvorrichtung für Richtfunkstrecken.Info
- Publication number
- DE69014450T2 DE69014450T2 DE69014450T DE69014450T DE69014450T2 DE 69014450 T2 DE69014450 T2 DE 69014450T2 DE 69014450 T DE69014450 T DE 69014450T DE 69014450 T DE69014450 T DE 69014450T DE 69014450 T2 DE69014450 T2 DE 69014450T2
- Authority
- DE
- Germany
- Prior art keywords
- receiver device
- radio relay
- relay links
- links
- radio
- 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
Classifications
-
- 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
- H04B1/30—Circuits for homodyne or synchrodyne receivers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
- H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
- H03D3/004—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Radio Relay Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8909399A FR2649845B1 (fr) | 1989-07-12 | 1989-07-12 | Dispositif de reception pour faisceau hertzien numerique |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69014450D1 DE69014450D1 (de) | 1995-01-12 |
DE69014450T2 true DE69014450T2 (de) | 1995-04-06 |
Family
ID=9383729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69014450T Expired - Fee Related DE69014450T2 (de) | 1989-07-12 | 1990-07-10 | Empfangsvorrichtung für Richtfunkstrecken. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5131009A (de) |
EP (1) | EP0407958B1 (de) |
JP (1) | JPH03108926A (de) |
AU (1) | AU630471B2 (de) |
DE (1) | DE69014450T2 (de) |
ES (1) | ES2066916T3 (de) |
FR (1) | FR2649845B1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5454015A (en) * | 1994-08-01 | 1995-09-26 | Rockwell International Corporation | Adaptive timing recovery with gain adjustment |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3546383A (en) * | 1968-07-05 | 1970-12-08 | Itt | Repeater terminal |
JPS6049372B2 (ja) * | 1978-03-30 | 1985-11-01 | ソニー株式会社 | テレビジヨン受像機 |
DE3007907A1 (de) * | 1980-03-01 | 1981-09-17 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Digitaler empfaenger |
US4677690A (en) * | 1982-01-25 | 1987-06-30 | International Telephone And Telegraph Corporation | Baseband demodulator for FM and/or AM signals |
JPH0714170B2 (ja) * | 1983-11-30 | 1995-02-15 | 富士通株式会社 | 搬送波再生回路 |
US4901332A (en) * | 1988-10-27 | 1990-02-13 | Unisys Corp. | Noncoherent-coherent A.C. coupled base band AGC receiver |
-
1989
- 1989-07-12 FR FR8909399A patent/FR2649845B1/fr not_active Expired - Fee Related
-
1990
- 1990-07-02 AU AU58605/90A patent/AU630471B2/en not_active Ceased
- 1990-07-10 EP EP90113133A patent/EP0407958B1/de not_active Expired - Lifetime
- 1990-07-10 ES ES90113133T patent/ES2066916T3/es not_active Expired - Lifetime
- 1990-07-10 DE DE69014450T patent/DE69014450T2/de not_active Expired - Fee Related
- 1990-07-11 US US07/551,373 patent/US5131009A/en not_active Expired - Fee Related
- 1990-07-12 JP JP2185150A patent/JPH03108926A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH03108926A (ja) | 1991-05-09 |
US5131009A (en) | 1992-07-14 |
AU630471B2 (en) | 1992-10-29 |
AU5860590A (en) | 1991-01-17 |
EP0407958A1 (de) | 1991-01-16 |
FR2649845A1 (fr) | 1991-01-18 |
EP0407958B1 (de) | 1994-11-30 |
FR2649845B1 (fr) | 1994-05-13 |
ES2066916T3 (es) | 1995-03-16 |
DE69014450D1 (de) | 1995-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |