DE2824329C2 - Anordnung zum automatischen Umschalten von Richtfunkanlagen im Parallelbetrieb - Google Patents
Anordnung zum automatischen Umschalten von Richtfunkanlagen im ParallelbetriebInfo
- Publication number
- DE2824329C2 DE2824329C2 DE2824329A DE2824329A DE2824329C2 DE 2824329 C2 DE2824329 C2 DE 2824329C2 DE 2824329 A DE2824329 A DE 2824329A DE 2824329 A DE2824329 A DE 2824329A DE 2824329 C2 DE2824329 C2 DE 2824329C2
- Authority
- DE
- Germany
- Prior art keywords
- arrangement
- radio relay
- automatic switching
- parallel operation
- relay systems
- 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
- 239000000758 substrate Substances 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 2
- 239000010408 film Substances 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 238000001228 spectrum Methods 0.000 description 3
- 238000005562 fading Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
- H04B7/082—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection selecting best antenna path
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Radio Transmission System (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Relay Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH513078A CH630498A5 (de) | 1978-05-11 | 1978-05-11 | Anordnung zum automatischen umschalten von parallel betriebenen richtfunkanlagen. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2824329A1 DE2824329A1 (de) | 1979-11-15 |
| DE2824329C2 true DE2824329C2 (de) | 1987-04-30 |
Family
ID=4288436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2824329A Expired DE2824329C2 (de) | 1978-05-11 | 1978-06-02 | Anordnung zum automatischen Umschalten von Richtfunkanlagen im Parallelbetrieb |
Country Status (7)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55150627A (en) * | 1979-05-14 | 1980-11-22 | Nec Corp | Signal synthesizing circuit |
| GB2096865B (en) * | 1981-03-26 | 1984-12-12 | Ferranti Ltd | Diversity receivers |
| FR2538645B1 (fr) * | 1982-12-28 | 1986-04-11 | Thomson Csf | Procede et dispositif d'interpolation de la parole dans un systeme de transmission de parole numerisee |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4028564A (en) * | 1971-09-22 | 1977-06-07 | Robert Bosch G.M.B.H. | Compensated monolithic integrated current source |
| US4097815A (en) * | 1975-04-09 | 1978-06-27 | Indesit Industria Elettrodomestici Italiana S.P.A. | Amplifying circuit |
-
1978
- 1978-05-11 CH CH513078A patent/CH630498A5/de not_active IP Right Cessation
- 1978-06-02 DE DE2824329A patent/DE2824329C2/de not_active Expired
-
1979
- 1979-05-07 NO NO791526A patent/NO791526L/no unknown
- 1979-05-09 GB GB7916064A patent/GB2020949B/en not_active Expired
- 1979-05-09 NL NL7903624A patent/NL7903624A/xx not_active Application Discontinuation
- 1979-05-09 FR FR7912506A patent/FR2425774A1/fr active Granted
- 1979-05-09 IT IT22509/79A patent/IT1112747B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2824329A1 (de) | 1979-11-15 |
| GB2020949B (en) | 1982-06-16 |
| NL7903624A (nl) | 1979-11-13 |
| NO791526L (no) | 1979-11-13 |
| FR2425774A1 (fr) | 1979-12-07 |
| CH630498A5 (de) | 1982-06-15 |
| FR2425774B1 (US07655688-20100202-C00548.png) | 1982-04-23 |
| IT1112747B (it) | 1986-01-20 |
| GB2020949A (en) | 1979-11-21 |
| IT7922509A0 (it) | 1979-05-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAM | Search report available | ||
| OC | Search report available | ||
| 8110 | Request for examination paragraph 44 | ||
| 8120 | Willingness to grant licences paragraph 23 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: LUECK, G., DIPL.-ING. DR.RER.NAT., PAT.-ANW., 7891 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |