FR79625E - Système de réception en diversité - Google Patents
Système de réception en diversitéInfo
- Publication number
- FR79625E FR79625E FR854710A FR854710A FR79625E FR 79625 E FR79625 E FR 79625E FR 854710 A FR854710 A FR 854710A FR 854710 A FR854710 A FR 854710A FR 79625 E FR79625 E FR 79625E
- Authority
- FR
- France
- Prior art keywords
- reception system
- diversity reception
- diversity
- reception
- 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
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
- H04B7/0842—Weighted combining
- H04B7/0865—Independent weighting, i.e. weights based on own antenna reception parameters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US737172A US2975275A (en) | 1958-05-22 | 1958-05-22 | Combining system for diversity communication systems |
Publications (1)
Publication Number | Publication Date |
---|---|
FR79625E true FR79625E (fr) | 1962-12-28 |
Family
ID=24962860
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR795209A Expired FR1237738A (fr) | 1958-05-22 | 1959-05-21 | Système de réception en diversité |
FR854710A Expired FR79625E (fr) | 1958-05-22 | 1961-03-06 | Système de réception en diversité |
FR855564A Expired FR79703E (fr) | 1958-05-22 | 1961-03-14 | Système de réception en diversité |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR795209A Expired FR1237738A (fr) | 1958-05-22 | 1959-05-21 | Système de réception en diversité |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR855564A Expired FR79703E (fr) | 1958-05-22 | 1961-03-14 | Système de réception en diversité |
Country Status (5)
Country | Link |
---|---|
US (1) | US2975275A (fr) |
BE (1) | BE578916A (fr) |
CH (1) | CH375760A (fr) |
FR (3) | FR1237738A (fr) |
GB (1) | GB973418A (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3036210A (en) * | 1959-11-02 | 1962-05-22 | Space General Corp | Electronically scanning antenna empolying plural phase-locked loops to produce optimum directivity |
US3187257A (en) * | 1960-05-16 | 1965-06-01 | Nippon Electric Co | Frequency-(or phase)-modulation intermediate-frequency combining reception system |
GB932808A (en) * | 1960-09-30 | 1963-07-31 | Gen Electric Co Ltd | Improvements in or relating to electric signal combining arrangements |
US3394374A (en) * | 1961-08-11 | 1968-07-23 | Packard Bell Electronics Corp | Retrodirective antenna array |
US3383599A (en) * | 1963-02-07 | 1968-05-14 | Nippon Electric Co | Multiple superheterodyne diversity receiver employing negative feedback |
US3987445A (en) * | 1963-02-11 | 1976-10-19 | Fales Iii David | Oblique scatter object detection and location system |
US3311832A (en) * | 1963-03-29 | 1967-03-28 | James H Schrader | Multiple input radio receiver |
FR1368258A (fr) * | 1963-06-19 | 1964-07-31 | Csf | Perfectionnements aux interféromètres à corrélation de phase |
FR1449700A (fr) * | 1965-05-21 | 1966-05-06 | Thomson Houston Comp Francaise | Perfectionnements aux systèmes de réception de signaux radioélectriques très faibles |
JPS5515124B1 (fr) * | 1969-09-22 | 1980-04-21 | ||
US3568197A (en) * | 1969-12-05 | 1971-03-02 | Nasa | Antenna array phase quadrature tracking system |
US3798547A (en) * | 1972-12-29 | 1974-03-19 | Bell Telephone Labor Inc | Approximate cophasing for diversity receivers |
US3883870A (en) * | 1973-12-17 | 1975-05-13 | Hughes Aircraft Co | System for phase aligning parallel signal processing channels |
US4000466A (en) * | 1975-05-22 | 1976-12-28 | Iowa State University Research Foundation, Inc. | Apparatus for time-interval measurement |
US4555807A (en) * | 1983-08-08 | 1985-11-26 | Sanders Associates, Inc. | Apparatus and method for channel identification |
ZW18386A1 (en) * | 1985-09-06 | 1988-04-13 | Ici Australia Ltd | Antenna device |
US4805229A (en) * | 1987-01-09 | 1989-02-14 | Scientific-Atlanta, Inc. | Diversity combiner |
JPH03213021A (ja) * | 1990-01-18 | 1991-09-18 | Fujitsu Ltd | Sd受信装置 |
DE4108933A1 (de) * | 1991-03-19 | 1992-09-24 | Blaupunkt Werke Gmbh | Ukw-autoradio |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2042831A (en) * | 1934-05-28 | 1936-06-02 | Rca Corp | Receiving system |
US2089409A (en) * | 1936-04-14 | 1937-08-10 | Bell Telephone Labor Inc | Phase correcting means and method |
NL159175B (nl) * | 1950-02-14 | Walterscheid Gmbh Jean | Pijpkoppeling. | |
US2713606A (en) * | 1952-04-18 | 1955-07-19 | Rca Corp | Color television systems |
-
1958
- 1958-05-22 US US737172A patent/US2975275A/en not_active Expired - Lifetime
-
1959
- 1959-05-21 FR FR795209A patent/FR1237738A/fr not_active Expired
- 1959-05-22 CH CH7357959A patent/CH375760A/de unknown
- 1959-05-22 BE BE578916A patent/BE578916A/fr unknown
-
1961
- 1961-03-03 GB GB7859/61A patent/GB973418A/en not_active Expired
- 1961-03-06 FR FR854710A patent/FR79625E/fr not_active Expired
- 1961-03-14 FR FR855564A patent/FR79703E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB973418A (en) | 1964-10-28 |
BE578916A (fr) | 1959-11-23 |
US2975275A (en) | 1961-03-14 |
CH375760A (de) | 1964-03-15 |
FR1237738A (fr) | 1960-08-05 |
FR79703E (fr) | 1963-01-11 |
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