BE467467A - - Google Patents
Info
- Publication number
- BE467467A BE467467A BE467467DA BE467467A BE 467467 A BE467467 A BE 467467A BE 467467D A BE467467D A BE 467467DA BE 467467 A BE467467 A BE 467467A
- Authority
- BE
- Belgium
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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
- G01S13/913—Radar or analogous systems specially adapted for specific applications for traffic control for landing purposes
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- 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
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- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
- G01S13/343—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using sawtooth modulation
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5912/40A GB574933A (en) | 1940-04-02 | 1940-04-02 | Improvements in or relating to radio systems for landing aeroplanes |
Publications (1)
Publication Number | Publication Date |
---|---|
BE467467A true BE467467A (de) |
Family
ID=9804946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE467467D BE467467A (de) | 1940-04-02 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2604621A (de) |
BE (1) | BE467467A (de) |
FR (1) | FR942441A (de) |
GB (1) | GB574933A (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2631278A (en) * | 1945-05-31 | 1953-03-10 | Jr Martin V Kiebert | Frequency modulated radio ranging apparatus |
US2995746A (en) * | 1952-11-25 | 1961-08-08 | Sperry Rand Corp | Radar system with altitude ambiguity resolver |
US2950473A (en) * | 1953-02-04 | 1960-08-23 | Csf | Radioelectric distance measuring systems |
US3115626A (en) * | 1953-09-22 | 1963-12-24 | Herbert P Raabe | Airborne moving target indication system |
US3181153A (en) * | 1959-09-25 | 1965-04-27 | Richard T Cella | Precision instrument landing system |
US3187308A (en) * | 1961-07-03 | 1965-06-01 | Gen Electric | Information storage system for microwave computer |
US3303495A (en) * | 1963-10-25 | 1967-02-07 | David W Kermode | Glide slope indicating system |
US3908189A (en) * | 1971-12-21 | 1975-09-23 | Walter E Buehler | Airborne radar instrument landing system |
US4250505A (en) * | 1979-12-07 | 1981-02-10 | The Bendix Corporation | Independent landing monitor |
US7486226B2 (en) * | 2006-09-07 | 2009-02-03 | Rosemount Tank Radar Ab | Device and a method for accurate radar level gauging |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1698777A (en) * | 1924-11-08 | 1929-01-15 | American Telephone & Telegraph | Radiorepeater |
US2045072A (en) * | 1930-04-29 | 1936-06-23 | American Telephone & Telegraph | Method and means for measuring altitude of aircraft |
US2170835A (en) * | 1933-11-10 | 1939-08-29 | Jennie S Simon | Navigational system |
US2134716A (en) * | 1936-10-20 | 1938-11-01 | Gunn Ross | Measuring speed and distance by radiant energy |
US2189549A (en) * | 1938-03-18 | 1940-02-06 | Rca Corp | Antenna switching system |
US2225046A (en) * | 1938-05-03 | 1940-12-17 | Sperry Gyroscope Co Inc | Radio contourmeter |
US2423644A (en) * | 1939-05-19 | 1947-07-08 | Rca Corp | Range finder |
US2218923A (en) * | 1939-07-26 | 1940-10-22 | Bell Telephone Labor Inc | Measurement of frequency modulated waves |
US2411520A (en) * | 1939-12-22 | 1946-11-26 | Int Standard Electric Corp | Radio locating system |
US2248215A (en) * | 1940-06-20 | 1941-07-08 | Bell Telephone Labor Inc | Radio direction and distance indicating system |
US2301929A (en) * | 1940-06-20 | 1942-11-17 | Bell Telephone Labor Inc | Radio distance and altitude indicating system |
US2307316A (en) * | 1941-02-13 | 1943-01-05 | Rca Corp | Frequency meter |
US2371979A (en) * | 1941-06-26 | 1945-03-20 | Eugene H J Phillips | Aircraft landing system |
US2412003A (en) * | 1942-06-16 | 1946-12-03 | Neufeld Jacob | Navigational method and apparatus |
-
0
- BE BE467467D patent/BE467467A/xx unknown
-
1940
- 1940-04-02 GB GB5912/40A patent/GB574933A/en not_active Expired
-
1943
- 1943-08-11 US US498198A patent/US2604621A/en not_active Expired - Lifetime
-
1946
- 1946-03-08 FR FR942441D patent/FR942441A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2604621A (en) | 1952-07-22 |
FR942441A (fr) | 1949-02-08 |
GB574933A (en) | 1946-01-28 |