GB604920A - Improvements in or relating to radio signalling systems particularly for radio beacons - Google Patents
Improvements in or relating to radio signalling systems particularly for radio beaconsInfo
- Publication number
- GB604920A GB604920A GB5512/45A GB551245A GB604920A GB 604920 A GB604920 A GB 604920A GB 5512/45 A GB5512/45 A GB 5512/45A GB 551245 A GB551245 A GB 551245A GB 604920 A GB604920 A GB 604920A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carrier
- frequency
- tone
- source
- aerials
- 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)
- Transmitters (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US490594A US2429634A (en) | 1943-06-12 | 1943-06-12 | Four course beacon |
Publications (1)
Publication Number | Publication Date |
---|---|
GB604920A true GB604920A (en) | 1948-07-13 |
Family
ID=23948705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5512/45A Expired GB604920A (en) | 1943-06-12 | 1945-03-05 | Improvements in or relating to radio signalling systems particularly for radio beacons |
Country Status (3)
Country | Link |
---|---|
US (1) | US2429634A (enrdf_load_stackoverflow) |
FR (1) | FR961093A (enrdf_load_stackoverflow) |
GB (1) | GB604920A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH249408A (de) * | 1946-04-01 | 1947-06-30 | Patelhold Patentverwertung | Einrichtung zur Bestimmung der horizontalen Winkellage eines Empfängers. |
US2697220A (en) * | 1953-05-06 | 1954-12-14 | Itt | Sideband generator |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL64189C (enrdf_load_stackoverflow) * | 1939-04-26 | |||
US2283677A (en) * | 1940-09-27 | 1942-05-19 | Internat Telephone & Radio Mfg | Localizer beacon |
US2327435A (en) * | 1941-10-23 | 1943-08-24 | Fed Telephone & Radio Corp | Antenna interaction compensating means |
-
0
- FR FR961093D patent/FR961093A/fr not_active Expired
-
1943
- 1943-06-12 US US490594A patent/US2429634A/en not_active Expired - Lifetime
-
1945
- 1945-03-05 GB GB5512/45A patent/GB604920A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR961093A (enrdf_load_stackoverflow) | 1950-05-03 |
US2429634A (en) | 1947-10-28 |
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