NL21418C - - Google Patents
Info
- Publication number
- NL21418C NL21418C NL21418DA NL21418C NL 21418 C NL21418 C NL 21418C NL 21418D A NL21418D A NL 21418DA NL 21418 C NL21418 C NL 21418C
- 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
- G01S3/10—Means for reducing or compensating for quadrantal, site, or like errors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL278743X | 1926-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL21418C true NL21418C (fr) |
Family
ID=19782220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL21418D NL21418C (fr) | 1926-10-07 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE465982C (fr) |
| FR (1) | FR642845A (fr) |
| GB (1) | GB278743A (fr) |
| NL (1) | NL21418C (fr) |
-
0
- NL NL21418D patent/NL21418C/xx active
-
1927
- 1927-10-06 DE DEN27908D patent/DE465982C/de not_active Expired
- 1927-10-06 FR FR642845D patent/FR642845A/fr not_active Expired
- 1927-10-07 GB GB26594/27A patent/GB278743A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR642845A (fr) | 1928-09-05 |
| DE465982C (de) | 1928-09-29 |
| GB278743A (en) | 1928-03-29 |