GB546970A - Improvements in or relating to radio systems for landing aircraft - Google Patents
Improvements in or relating to radio systems for landing aircraftInfo
- Publication number
- GB546970A GB546970A GB71/41A GB7141A GB546970A GB 546970 A GB546970 A GB 546970A GB 71/41 A GB71/41 A GB 71/41A GB 7141 A GB7141 A GB 7141A GB 546970 A GB546970 A GB 546970A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wave
- short
- length
- signal
- frequency
- 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
- 230000007423 decrease Effects 0.000 abstract 2
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 1
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)
- Radar Systems Or Details Thereof (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE472666D BE472666A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1941-01-02 | ||
GB71/41A GB546970A (en) | 1941-01-02 | 1941-01-02 | Improvements in or relating to radio systems for landing aircraft |
US438297A US2344070A (en) | 1941-01-02 | 1942-04-09 | Radio system for landing aircraft |
FR932833D FR932833A (fr) | 1941-01-02 | 1946-08-27 | Perfectionnements aux systèmes d'atterrissage radio-électrique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB71/41A GB546970A (en) | 1941-01-02 | 1941-01-02 | Improvements in or relating to radio systems for landing aircraft |
Publications (1)
Publication Number | Publication Date |
---|---|
GB546970A true GB546970A (en) | 1942-08-07 |
Family
ID=9697889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB71/41A Expired GB546970A (en) | 1941-01-02 | 1941-01-02 | Improvements in or relating to radio systems for landing aircraft |
Country Status (4)
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2602161A (en) * | 1947-01-25 | 1952-07-01 | Sperry Corp | Modulation system for craft guidance |
US3381294A (en) * | 1965-09-02 | 1968-04-30 | R.W. Hodgson | Apparatus and method for physically defining an instrument-perceptible spacial location |
-
0
- BE BE472666D patent/BE472666A/xx unknown
-
1941
- 1941-01-02 GB GB71/41A patent/GB546970A/en not_active Expired
-
1942
- 1942-04-09 US US438297A patent/US2344070A/en not_active Expired - Lifetime
-
1946
- 1946-08-27 FR FR932833D patent/FR932833A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE472666A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
US2344070A (en) | 1944-03-14 |
FR932833A (fr) | 1948-04-02 |
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