BE678626A - - Google Patents
Info
- Publication number
- BE678626A BE678626A BE678626DA BE678626A BE 678626 A BE678626 A BE 678626A BE 678626D A BE678626D A BE 678626DA BE 678626 A BE678626 A BE 678626A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/22—Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0099930 | 1965-10-04 | ||
| BE678626 | 1966-03-29 | ||
| NL6604161A NL6604161A (de) | 1965-10-04 | 1966-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE678626A true BE678626A (de) | 1966-09-01 |
Family
ID=27159153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE678626D BE678626A (de) | 1965-10-04 | 1966-03-29 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE678626A (de) |
| DE (1) | DE1466390B2 (de) |
| GB (1) | GB1074299A (de) |
| NL (1) | NL6604161A (de) |
-
1965
- 1965-09-09 GB GB3857165A patent/GB1074299A/en not_active Expired
- 1965-10-04 DE DE19651466390 patent/DE1466390B2/de active Pending
-
1966
- 1966-03-29 BE BE678626D patent/BE678626A/xx unknown
- 1966-03-30 NL NL6604161A patent/NL6604161A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6604161A (de) | 1967-10-02 |
| DE1466390A1 (de) | 1969-07-17 |
| DE1466390B2 (de) | 1971-11-18 |
| GB1074299A (en) | 1967-07-05 |