NL52051C - - Google Patents
Info
- Publication number
- NL52051C NL52051C NL52051DA NL52051C NL 52051 C NL52051 C NL 52051C NL 52051D A NL52051D A NL 52051DA NL 52051 C NL52051 C NL 52051C
- 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
- G01S3/085—Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems by using spaced loop aerial systems
-
- 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
- G01S3/12—Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional antenna
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)
- Near-Field Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201781X | 1936-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL52051C true NL52051C (en:Method) |
Family
ID=5768050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL52051D NL52051C (en:Method) | 1936-10-09 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2202368A (en:Method) |
| CH (1) | CH201781A (en:Method) |
| GB (1) | GB485979A (en:Method) |
| NL (1) | NL52051C (en:Method) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2467961A (en) * | 1946-02-20 | 1949-04-19 | Electronies Res Inc | Antenna |
| US2520986A (en) * | 1947-10-22 | 1950-09-05 | Motorola Inc | Vehicular antenna system |
| US2520987A (en) * | 1947-10-22 | 1950-09-05 | Motorola Inc | Vehicle body antenna |
| US3852758A (en) * | 1973-03-12 | 1974-12-03 | J Polson | Coupling method and device for animal mountable electronic package |
| US4288794A (en) * | 1979-12-26 | 1981-09-08 | Textron Inc. | Shielded loop VOR/ILS antenna system |
| US4342999A (en) * | 1980-11-25 | 1982-08-03 | Rca Corporation | Loop antenna arrangements for inclusion in a television receiver |
| US5248989A (en) * | 1988-02-04 | 1993-09-28 | Unisan Ltd. | Magnetic field concentrator |
| US5432518A (en) * | 1993-06-15 | 1995-07-11 | Texas Instruments Incorporated | Closed slot antenna having outer and inner magnetic loops |
| SE9302870L (sv) * | 1993-09-06 | 1994-10-10 | Allgon Ab | Antennkopplingsanordning |
-
0
- NL NL52051D patent/NL52051C/xx active
-
1937
- 1937-09-27 CH CH201781D patent/CH201781A/de unknown
- 1937-10-11 GB GB27580/37A patent/GB485979A/en not_active Expired
- 1937-11-11 US US173992A patent/US2202368A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH201781A (de) | 1938-12-15 |
| GB485979A (en) | 1938-05-27 |
| US2202368A (en) | 1940-05-28 |