BE440455A - - Google Patents
Info
- Publication number
- BE440455A BE440455A BE440455DA BE440455A BE 440455 A BE440455 A BE 440455A BE 440455D A BE440455D A BE 440455DA BE 440455 A BE440455 A BE 440455A
- Authority
- BE
- Belgium
- Prior art keywords
- arrangement according
- reactance
- switch
- lines
- branch
- Prior art date
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
-
- 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
- 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
- H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE220058X | 1940-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440455A true BE440455A (hu) |
Family
ID=5832455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440455D BE440455A (hu) | 1940-02-16 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE440455A (hu) |
| CH (1) | CH220058A (hu) |
| FR (1) | FR869841A (hu) |
| NL (1) | NL58637C (hu) |
-
0
- NL NL58637D patent/NL58637C/xx active
- BE BE440455D patent/BE440455A/fr unknown
-
1941
- 1941-01-27 CH CH220058D patent/CH220058A/de unknown
- 1941-02-06 FR FR869841D patent/FR869841A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH220058A (de) | 1942-03-15 |
| FR869841A (fr) | 1942-02-20 |
| NL58637C (hu) |
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