FR962499A - - Google Patents
Info
- Publication number
- FR962499A FR962499A FR962499DA FR962499A FR 962499 A FR962499 A FR 962499A FR 962499D A FR962499D A FR 962499DA FR 962499 A FR962499 A FR 962499A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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)
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US445468A US2424968A (en) | 1942-06-02 | 1942-06-02 | Directive antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR962499A true FR962499A (fi) | 1950-06-10 |
Family
ID=23769028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR962499D Expired FR962499A (fi) | 1942-06-02 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2424968A (fi) |
| FR (1) | FR962499A (fi) |
| GB (1) | GB596479A (fi) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2523280A (en) * | 1945-08-24 | 1950-09-26 | Standard Telephones Cables Ltd | Antenna system |
| US2532176A (en) * | 1945-12-21 | 1950-11-28 | Rca Corp | Antenna system |
| FR959920A (fi) * | 1946-02-19 | 1950-04-07 | ||
| US2473377A (en) * | 1946-10-02 | 1949-06-14 | Rca Corp | Ground wire system |
| US2659819A (en) * | 1949-02-15 | 1953-11-17 | Marconi Wireless Telegraph Co | Aerial system |
| US5648787A (en) * | 1994-11-29 | 1997-07-15 | Patriot Scientific Corporation | Penetrating microwave radar ground plane antenna |
| JP5368493B2 (ja) * | 2011-02-08 | 2013-12-18 | 株式会社日本自動車部品総合研究所 | 無線機器用アンテナ |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE355892A (fi) * | 1927-11-18 | |||
| US2005779A (en) * | 1931-06-29 | 1935-06-25 | Telefunken Gmbh | Directive aerial system |
| US2120366A (en) * | 1934-01-30 | 1938-06-14 | Telefunken Gmbh | Direction finder |
| US2095083A (en) * | 1934-11-17 | 1937-10-05 | Telefunken Gmbh | Directional antenna system |
| US2140145A (en) * | 1935-08-16 | 1938-12-13 | Bell Telephone Labor Inc | Antenna system |
| BE417234A (fi) * | 1935-08-31 | |||
| US2189910A (en) * | 1936-08-25 | 1940-02-13 | Lorenz C Ag | Antenna arrangement |
| US2267211A (en) * | 1937-06-19 | 1941-12-23 | Lorenz C Ag | Radio direction finding system |
| BE442246A (fi) * | 1939-11-07 | |||
| US2299585A (en) * | 1940-09-28 | 1942-10-20 | Rca Corp | Directional antenna |
-
0
- FR FR962499D patent/FR962499A/fr not_active Expired
-
1942
- 1942-06-02 US US445468A patent/US2424968A/en not_active Expired - Lifetime
-
1945
- 1945-07-26 GB GB19227/45A patent/GB596479A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB596479A (en) | 1948-01-05 |
| US2424968A (en) | 1947-08-05 |