NL50719C - - Google Patents
Info
- Publication number
- NL50719C NL50719C NL50719DA NL50719C NL 50719 C NL50719 C NL 50719C NL 50719D A NL50719D A NL 50719DA NL 50719 C NL50719 C NL 50719C
- 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)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE491127X | 1936-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL50719C true NL50719C (fi) |
Family
ID=6544229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL50719D NL50719C (fi) | 1936-10-29 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB491127A (fi) |
| NL (1) | NL50719C (fi) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2576150A (en) * | 1946-10-08 | 1951-11-27 | Clifford M Simpson | Directive antenna system |
| US2644158A (en) * | 1946-11-06 | 1953-06-30 | Sterling R Thrift | Directive antenna system |
-
0
- NL NL50719D patent/NL50719C/xx active
-
1937
- 1937-10-29 GB GB29664/37A patent/GB491127A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB491127A (en) | 1938-08-26 |