NL58637C - - Google Patents
Info
- Publication number
- NL58637C NL58637C NL58637DA NL58637C NL 58637 C NL58637 C NL 58637C NL 58637D A NL58637D A NL 58637DA NL 58637 C NL58637 C NL 58637C
- Authority
- NL
- Netherlands
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 |
---|---|
NL58637C true NL58637C (de) |
Family
ID=5832455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL58637D NL58637C (de) | 1940-02-16 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE440455A (de) |
CH (1) | CH220058A (de) |
FR (1) | FR869841A (de) |
NL (1) | NL58637C (de) |
-
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 |
BE440455A (de) | |
FR869841A (fr) | 1942-02-20 |