JPS5048817A - - Google Patents
Info
- Publication number
- JPS5048817A JPS5048817A JP49034345A JP3434574A JPS5048817A JP S5048817 A JPS5048817 A JP S5048817A JP 49034345 A JP49034345 A JP 49034345A JP 3434574 A JP3434574 A JP 3434574A JP S5048817 A JPS5048817 A JP S5048817A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- 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
- H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
-
- 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)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1457473A GB1456041A (en) | 1973-03-27 | 1973-03-27 | Diverse signal combining arrangements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5048817A true JPS5048817A (ja) | 1975-05-01 |
Family
ID=10043672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49034345A Pending JPS5048817A (ja) | 1973-03-27 | 1974-03-27 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3902119A (ja) |
| JP (1) | JPS5048817A (ja) |
| AU (1) | AU475757B2 (ja) |
| DE (1) | DE2414828C3 (ja) |
| FR (1) | FR2223895B1 (ja) |
| GB (1) | GB1456041A (ja) |
| IT (1) | IT1009397B (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5542790B2 (ja) * | 1975-01-09 | 1980-11-01 | ||
| US4373207A (en) * | 1980-12-17 | 1983-02-08 | Bell Telephone Laboratories, Incorporated | Space diversity signal combiner |
| US4531235A (en) * | 1983-06-20 | 1985-07-23 | Motorola, Inc. | Diversity signal strength indicator and site selection apparatus for using same |
| US4539710A (en) * | 1983-09-30 | 1985-09-03 | Transkinetics Systems, Inc. | Diversity telemetry receiver having plural spaced antennas |
| JP2713128B2 (ja) * | 1993-12-28 | 1998-02-16 | 日本電気株式会社 | ダイバーシティ受信信号合成回路 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE498282A (ja) * | 1949-09-24 | |||
| US3305781A (en) * | 1963-04-02 | 1967-02-21 | Raytheon Co | Diversity combiners |
-
1973
- 1973-03-27 GB GB1457473A patent/GB1456041A/en not_active Expired
-
1974
- 1974-03-15 AU AU66714/74A patent/AU475757B2/en not_active Expired
- 1974-03-27 IT IT67986/74A patent/IT1009397B/it active
- 1974-03-27 US US455076A patent/US3902119A/en not_active Expired - Lifetime
- 1974-03-27 FR FR7410461A patent/FR2223895B1/fr not_active Expired
- 1974-03-27 DE DE2414828A patent/DE2414828C3/de not_active Expired
- 1974-03-27 JP JP49034345A patent/JPS5048817A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2414828A1 (de) | 1974-10-03 |
| DE2414828B2 (de) | 1979-07-26 |
| AU6671474A (en) | 1975-09-18 |
| GB1456041A (en) | 1976-11-17 |
| IT1009397B (it) | 1976-12-10 |
| AU475757B2 (en) | 1976-09-02 |
| FR2223895A1 (ja) | 1974-10-25 |
| DE2414828C3 (de) | 1980-04-30 |
| US3902119A (en) | 1975-08-26 |
| FR2223895B1 (ja) | 1977-03-04 |