GB549958A - Improvements in or relating to circuit arrangements for directional radio transmitters - Google Patents
Improvements in or relating to circuit arrangements for directional radio transmittersInfo
- Publication number
- GB549958A GB549958A GB1292/41A GB129241A GB549958A GB 549958 A GB549958 A GB 549958A GB 1292/41 A GB1292/41 A GB 1292/41A GB 129241 A GB129241 A GB 129241A GB 549958 A GB549958 A GB 549958A
- Authority
- GB
- United Kingdom
- Prior art keywords
- antennas
- impedance
- screen
- impedances
- condenser
- Prior art date
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE549958X | 1940-04-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB549958A true GB549958A (en) | 1942-12-16 |
Family
ID=20311768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1292/41A Expired GB549958A (en) | 1940-04-10 | 1941-01-31 | Improvements in or relating to circuit arrangements for directional radio transmitters |
Country Status (4)
Country | Link |
---|---|
US (1) | US2309063A (enrdf_load_stackoverflow) |
FR (1) | FR869411A (enrdf_load_stackoverflow) |
GB (1) | GB549958A (enrdf_load_stackoverflow) |
NL (1) | NL58146C (enrdf_load_stackoverflow) |
-
0
- NL NL58146D patent/NL58146C/xx active
-
1940
- 1940-10-29 US US363281A patent/US2309063A/en not_active Expired - Lifetime
-
1941
- 1941-01-21 FR FR869411D patent/FR869411A/fr not_active Expired
- 1941-01-31 GB GB1292/41A patent/GB549958A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR869411A (fr) | 1942-02-02 |
US2309063A (en) | 1943-01-19 |
NL58146C (enrdf_load_stackoverflow) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB523093A (en) | Improvements in radio compass apparatus | |
GB1056352A (en) | Improvements in or relating to aerial systems | |
US2422107A (en) | Radio direction finder | |
GB549958A (en) | Improvements in or relating to circuit arrangements for directional radio transmitters | |
US2151922A (en) | Receiver for electromagnetic waves | |
US2448017A (en) | Antenna system | |
GB546238A (en) | Improvements in or relating to direction finding radio beacons | |
US2713164A (en) | Direction finding system | |
US2454768A (en) | Direction finding antenna system | |
SU28549A1 (ru) | Радиопеленгаторное устройство | |
GB548900A (en) | Improvements in or relating to directional radio transmitters or radio beacons | |
GB507461A (en) | Improvements in radio direction finding systems | |
JPS5338243A (en) | Antenna equipment | |
GB532499A (en) | Improvements in radio directional aerial systems | |
GB555206A (en) | Improvements in spaced-frame radio-direction finders | |
NEPOMNIASHCHII et al. | Effect of the amplitude-phase distribution of the field in the aperture of an antenna on its directional properties | |
GB502972A (en) | Improvements in directional aerial systems | |
GB504253A (en) | Improvements in radio direction finders | |
GB577381A (en) | Improvements in radio direction-finding systems | |
GB581724A (en) | Improvements in or relating to antenna systems | |
GB470165A (en) | Improvements in or relating to navigation aiding radio transmitters | |
GB593063A (en) | Improvements in or relating to radio direction finding installations | |
GB653406A (en) | An arrangement for radio direction-finding | |
GB452290A (en) | Improvements in and relating to radio direction finding | |
JPS55129773A (en) | Direction finder unit |