BE441934A - - Google Patents
Info
- Publication number
- BE441934A BE441934A BE441934DA BE441934A BE 441934 A BE441934 A BE 441934A BE 441934D A BE441934D A BE 441934DA BE 441934 A BE441934 A BE 441934A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—Details
- G01S3/08—Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE230849X | 1940-06-27 | ||
| CH219969T | 1941-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441934A true BE441934A (xx) |
Family
ID=25726384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE441934D BE441934A (xx) | 1940-06-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2312421A (xx) |
| BE (1) | BE441934A (xx) |
| CH (1) | CH230849A (xx) |
| NL (1) | NL56800C (xx) |
-
0
- BE BE441934D patent/BE441934A/xx unknown
- NL NL56800D patent/NL56800C/xx active
-
1941
- 1941-06-09 CH CH230849D patent/CH230849A/de unknown
- 1941-06-27 US US400015A patent/US2312421A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH230849A (de) | 1944-01-31 |
| NL56800C (xx) | |
| US2312421A (en) | 1943-03-02 |