NL32160C - - Google Patents
Info
- Publication number
- NL32160C NL32160C NL32160DA NL32160C NL 32160 C NL32160 C NL 32160C NL 32160D A NL32160D A NL 32160DA NL 32160 C NL32160 C NL 32160C
- 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
- G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
- G01S3/065—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna by using non-directional aerial
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Support Of Aerials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR546843X | 1929-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL32160C true NL32160C (en) |
Family
ID=8933794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL32160D NL32160C (en) | 1929-11-15 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE546843C (en) |
| FR (1) | FR700019A (en) |
| NL (1) | NL32160C (en) |
-
0
- NL NL32160D patent/NL32160C/xx active
-
1929
- 1929-11-15 FR FR700019D patent/FR700019A/en not_active Expired
-
1930
- 1930-09-06 DE DE1930546843D patent/DE546843C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE546843C (en) | 1932-03-17 |
| FR700019A (en) | 1931-02-23 |