DE1591408C2 - Vorrichtung zum Empfang mehrerer Eingangssignale gleicher Frequenz - Google Patents
Vorrichtung zum Empfang mehrerer Eingangssignale gleicher FrequenzInfo
- Publication number
- DE1591408C2 DE1591408C2 DE1591408A DER0046298A DE1591408C2 DE 1591408 C2 DE1591408 C2 DE 1591408C2 DE 1591408 A DE1591408 A DE 1591408A DE R0046298 A DER0046298 A DE R0046298A DE 1591408 C2 DE1591408 C2 DE 1591408C2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- signals
- mixer
- frequency
- output
- 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
- 230000010355 oscillation Effects 0.000 claims description 14
- 210000004439 collateral ligament Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening 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
- 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
- H04B7/0837—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 pre-detection combining
- H04B7/084—Equal gain combining, only phase adjustments
-
- 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
- H04B7/0837—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 pre-detection combining
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56237566A | 1966-07-01 | 1966-07-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1591408B1 DE1591408B1 (de) | 1975-02-06 |
| DE1591408C2 true DE1591408C2 (de) | 1975-10-09 |
Family
ID=24246032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1591408A Expired DE1591408C2 (de) | 1966-07-01 | 1967-06-21 | Vorrichtung zum Empfang mehrerer Eingangssignale gleicher Frequenz |
Country Status (9)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3605018A (en) * | 1968-09-13 | 1971-09-14 | Sylvania Electric Prod | Interference suppression in a receiver by envelope variation modulation |
| US3681695A (en) * | 1969-09-02 | 1972-08-01 | Raytheon Co | Multipath compensation system |
| US3911364A (en) * | 1974-05-09 | 1975-10-07 | Bell Telephone Labor Inc | Cophasing combiner with cochannel signal selector |
| US4027247A (en) * | 1975-11-11 | 1977-05-31 | Bell Telephone Laboratories, Incorporated | Receiver especially for use as a diversity combining receiver with channel selection capability |
| US4085368A (en) * | 1976-08-30 | 1978-04-18 | Bell Telephone Laboratories, Incorporated | Interference canceling method and apparatus |
| US4519096A (en) * | 1979-10-15 | 1985-05-21 | Motorola, Inc. | Large dynamic range multiplier for a maximal-ratio diversity combiner |
| GB2096865B (en) * | 1981-03-26 | 1984-12-12 | Ferranti Ltd | Diversity receivers |
| US20080252901A1 (en) * | 2003-09-26 | 2008-10-16 | School Jiridical Person Kitasato Gakuen | Wavelength-Tunable Light Source And Optical Coherence Tomography |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE880155C (de) * | 1953-05-07 | Siemens Ag | Schaltungsanordnung zur Frequenznachstellung in Diversity-Empfangsanlagen | |
| US2042831A (en) * | 1934-05-28 | 1936-06-02 | Rca Corp | Receiving system |
| NL159175B (nl) * | 1950-02-14 | Walterscheid Gmbh Jean | Pijpkoppeling. | |
| DE854234C (de) * | 1950-11-03 | 1952-11-04 | Siemens Ag | Schaltungsanordnung zum UEberlagerungsempfang |
| US3187257A (en) * | 1960-05-16 | 1965-06-01 | Nippon Electric Co | Frequency-(or phase)-modulation intermediate-frequency combining reception system |
-
1966
- 1966-07-01 US US562375A patent/US3471788A/en not_active Expired - Lifetime
-
1967
- 1967-04-27 SE SE05977/67A patent/SE335370B/xx unknown
- 1967-05-03 GB GB20627/67A patent/GB1164684A/en not_active Expired
- 1967-05-11 ES ES340402A patent/ES340402A1/es not_active Expired
- 1967-06-08 NL NL6707989A patent/NL6707989A/xx unknown
- 1967-06-15 NO NO00168611A patent/NO127167B/no unknown
- 1967-06-21 DE DE1591408A patent/DE1591408C2/de not_active Expired
- 1967-06-30 FR FR112665A patent/FR1530054A/fr not_active Expired
- 1967-06-30 DK DK340667AA patent/DK126680B/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3471788A (en) | 1969-10-07 |
| GB1164684A (en) | 1969-09-17 |
| SE335370B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-05-24 |
| FR1530054A (fr) | 1968-06-21 |
| DE1591408B1 (de) | 1975-02-06 |
| DK126680B (da) | 1973-08-06 |
| NO127167B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-05-14 |
| ES340402A1 (es) | 1968-06-01 |
| NL6707989A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-01-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |