NL47978C - - Google Patents
Info
- Publication number
- NL47978C NL47978C NL47978DA NL47978C NL 47978 C NL47978 C NL 47978C NL 47978D A NL47978D A NL 47978DA NL 47978 C NL47978 C NL 47978C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE479330X | 1936-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL47978C true NL47978C (https=) |
Family
ID=6542390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL47978D NL47978C (https=) | 1936-07-18 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR824475A (https=) |
| GB (1) | GB479330A (https=) |
| NL (1) | NL47978C (https=) |
-
0
- NL NL47978D patent/NL47978C/xx active
-
1937
- 1937-07-16 GB GB19738/37A patent/GB479330A/en not_active Expired
- 1937-07-16 FR FR824475D patent/FR824475A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB479330A (en) | 1938-02-03 |
| FR824475A (fr) | 1938-02-09 |