GB571239A - Improvements in or relating to radio transmitting devices for navigation purposes - Google Patents
Improvements in or relating to radio transmitting devices for navigation purposesInfo
- Publication number
- GB571239A GB571239A GB10635/40A GB1063540A GB571239A GB 571239 A GB571239 A GB 571239A GB 10635/40 A GB10635/40 A GB 10635/40A GB 1063540 A GB1063540 A GB 1063540A GB 571239 A GB571239 A GB 571239A
- Authority
- GB
- United Kingdom
- Prior art keywords
- course
- modulation
- modulated
- carrier
- phase
- 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)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL571239X | 1939-06-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB571239A true GB571239A (en) | 1945-08-14 |
Family
ID=19787505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10635/40A Expired GB571239A (en) | 1939-06-23 | 1940-06-20 | Improvements in or relating to radio transmitting devices for navigation purposes |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE895790C (fi) |
FR (1) | FR870145A (fi) |
GB (1) | GB571239A (fi) |
NL (2) | NL53117C (fi) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3351941A (en) * | 1949-10-06 | 1967-11-07 | Robert M Page | Radio way-following system |
-
0
- NL NL94008D patent/NL94008B/xx unknown
- NL NL53117D patent/NL53117C/xx active
-
1940
- 1940-06-20 GB GB10635/40A patent/GB571239A/en not_active Expired
- 1940-11-14 DE DES19950D patent/DE895790C/de not_active Expired
-
1941
- 1941-02-18 FR FR870145D patent/FR870145A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3351941A (en) * | 1949-10-06 | 1967-11-07 | Robert M Page | Radio way-following system |
Also Published As
Publication number | Publication date |
---|---|
FR870145A (fr) | 1942-03-03 |
NL53117C (fi) | |
NL94008B (fi) | |
DE895790C (de) | 1953-11-05 |
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