BE472946A - - Google Patents
Info
- Publication number
- BE472946A BE472946A BE472946DA BE472946A BE 472946 A BE472946 A BE 472946A BE 472946D A BE472946D A BE 472946DA BE 472946 A BE472946 A BE 472946A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
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- 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
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US276449XA | 1943-10-27 | 1943-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE472946A true BE472946A (en, 2012) |
Family
ID=21838945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE472946D BE472946A (en, 2012) | 1943-10-27 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE472946A (en, 2012) |
| CH (1) | CH276449A (en, 2012) |
| FR (1) | FR945106A (en, 2012) |
| GB (1) | GB589609A (en, 2012) |
| NL (1) | NL131361B (en, 2012) |
-
0
- BE BE472946D patent/BE472946A/xx unknown
- NL NL131361D patent/NL131361B/xx unknown
-
1944
- 1944-09-26 GB GB18416/44A patent/GB589609A/en not_active Expired
-
1947
- 1947-04-15 FR FR945106D patent/FR945106A/fr not_active Expired
- 1947-04-28 CH CH276449D patent/CH276449A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH276449A (de) | 1951-07-15 |
| FR945106A (fr) | 1949-04-26 |
| NL131361B (en, 2012) | |
| GB589609A (en) | 1947-06-25 |