GB543638A - Navigational instrument for aircraft - Google Patents
Navigational instrument for aircraftInfo
- Publication number
- GB543638A GB543638A GB1449941A GB1449941A GB543638A GB 543638 A GB543638 A GB 543638A GB 1449941 A GB1449941 A GB 1449941A GB 1449941 A GB1449941 A GB 1449941A GB 543638 A GB543638 A GB 543638A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aerodrome
- craft
- spot
- tube
- controlled
- 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)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
543,638. Flying instruments, SHARMA, D. N. May 20, 1940, No. 14499/41. Divided out of 14953/39. [Class 40 (i)] The beam of a cathode-ray tube is under the joint control of the altimeter and either a radio-controlled distance meter or a time measuring device acting in conjunction with the airspeed indicator so that the position of the spot with relation to a line 18 marked on the fluorescent end of the. tube or an associated viewing screen indicates the position of the craft in relation to the correct landing path. Special fluorescent materials or coloured screens may be used so that the spot has a characteristic appearance according as the craft is correctly situated or too high or too low. A picture of the aerodrome and the surrounding country may be secured to the screen or such a picture may be shown on the screen by television signals operating on an additional cathode beam. Movable markers 12, 13 and associated lamps 8, 5 are set to positions corresponding to those of radio marker beacons of the aerodrome at which a landing is to be made and the lamps are in known manner controlled by such beacons. In a preferred arrangement, an additional fixed deflecting voltage or current is applied to the plates or coils controlled by the distance indicator or airspeed indicator automatically or manually when the craft crosses the aerodrome boundary to bring the spot to the right-hand end of a dotted line 14 on which it is subsequently kept if the plane is being correctly landed. The instruments may vary the deflecting currents or voltages of the tube by varying the amount of light falling on a photo-electric cell.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1449941A GB543638A (en) | 1940-05-20 | 1940-05-20 | Navigational instrument for aircraft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1449941A GB543638A (en) | 1940-05-20 | 1940-05-20 | Navigational instrument for aircraft |
Publications (1)
Publication Number | Publication Date |
---|---|
GB543638A true GB543638A (en) | 1942-03-05 |
Family
ID=10042291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1449941A Expired GB543638A (en) | 1940-05-20 | 1940-05-20 | Navigational instrument for aircraft |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB543638A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2427686A (en) * | 1943-06-29 | 1947-09-23 | Carl W Muller | Instrument landing system for airplanes |
US2444578A (en) * | 1942-06-16 | 1948-07-06 | Neufeld Jacob | Navigational method and apparatus |
US2463095A (en) * | 1944-08-09 | 1949-03-01 | Gen Railway Signal Co | Airway traffic control system |
US2555101A (en) * | 1944-02-25 | 1951-05-29 | Luis W Alvarez | Aircraft control system |
US2585950A (en) * | 1943-03-06 | 1952-02-19 | Joseph J Malin | Range-height indicator |
US2624874A (en) * | 1944-09-04 | 1953-01-06 | Rines Robert Harvey | Electrical apparatus for solving right triangles |
US2815505A (en) * | 1950-01-13 | 1957-12-03 | Bendix Aviat Corp | Indicator arrangement for radio echo system |
US3668623A (en) * | 1969-08-14 | 1972-06-06 | Bendix Corp | Aircraft vertical flight position display instrument |
-
1940
- 1940-05-20 GB GB1449941A patent/GB543638A/en not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2444578A (en) * | 1942-06-16 | 1948-07-06 | Neufeld Jacob | Navigational method and apparatus |
US2585950A (en) * | 1943-03-06 | 1952-02-19 | Joseph J Malin | Range-height indicator |
US2427686A (en) * | 1943-06-29 | 1947-09-23 | Carl W Muller | Instrument landing system for airplanes |
US2555101A (en) * | 1944-02-25 | 1951-05-29 | Luis W Alvarez | Aircraft control system |
US2463095A (en) * | 1944-08-09 | 1949-03-01 | Gen Railway Signal Co | Airway traffic control system |
US2624874A (en) * | 1944-09-04 | 1953-01-06 | Rines Robert Harvey | Electrical apparatus for solving right triangles |
US2815505A (en) * | 1950-01-13 | 1957-12-03 | Bendix Aviat Corp | Indicator arrangement for radio echo system |
US3668623A (en) * | 1969-08-14 | 1972-06-06 | Bendix Corp | Aircraft vertical flight position display instrument |
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