GB1030852A - Improvement in radio guidance systems for aircraft - Google Patents
Improvement in radio guidance systems for aircraftInfo
- Publication number
- GB1030852A GB1030852A GB1028362A GB1028362A GB1030852A GB 1030852 A GB1030852 A GB 1030852A GB 1028362 A GB1028362 A GB 1028362A GB 1028362 A GB1028362 A GB 1028362A GB 1030852 A GB1030852 A GB 1030852A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signals
- drone
- transmitter
- craft
- positional information
- 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)
- Radio Relay Systems (AREA)
Abstract
1,030,852. Radio navigation. BRITISH AIRCRAFT CORPORATION (OPERATING) Ltd. March 8, 1963 [March 16, 1962], No. 10283/62. Heading H4D. In an aircraft landing system for enabling a craft of the kind capable of hovering to be flown to a given position to a high accuracy, the craft is provided with an automatic navigation system including directional guidance means, a programme unit for controlling the guidance means in accordance with a predetermined programme to guide the craft generally in the direction of the given point, and radio transmitting and receiving means; and the ground station equipment includes transmitting means comprising an angularly adjustable aerial for transmitting to the craft range-determining signals and positional information signals, receiving means for receiving range-determining signals from the aircraft, and computing means for deriving positional information, and computing means for deriving positional information relating to the craft from the received range-determining signals, the successive positional information signals being applied from the computer to the transmitting means to provide repeated correction of the craft navigation system. The aircraft may be a drone (i.e. unmanned) capable of vertical take-off and landing and programmed by a unit 12, operating through an auto-pilot 10, to carry out a reconnaissance mission and return to a landing point. Data gathered on the mission is recorded in unit 16 and transmitted to the ground station via C-bonded transmitter 20 when the drone is within radio range of the ground station. The ground station transmits radar signals through an X-band transmitter 32, and on the drone the X-band receiver 38, together with units 40, 42, 18 and the transmitter 20 form a transponder unit so that the range can be derived from the C-band receiver 24 at the ground station. The bearing is derived from the aerials 26 and 34 and computer 46 calculates positional information from the range and bearing and transmits this information to the drone through the X-band transmitter 32 at intervals between the ranging signals; at the drone the positional information is used to correct the position calculated by the computer 14 which controls the auto-pilot. When the drone is 100 metres above the launching and landing vehicle and within a horizontal radius of 20 metres, signals from a beacon 58 are received of a phasesensitive receiver 54 on the landing vehicle. On receipt of these signals a radio link 62-64 causes transmitter 32 to be switched-off, and the cessation of transmitter 32 causes a switch 68 to operate in the drone disconnecting the computer 14 from the auto-pilot. Thereafter the drone is controlled by signals from the landing vehicle transmitted by X-band transmitter 74 as a result of information derived from the receiver 54.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1028362A GB1030852A (en) | 1962-03-16 | 1962-03-16 | Improvement in radio guidance systems for aircraft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1028362A GB1030852A (en) | 1962-03-16 | 1962-03-16 | Improvement in radio guidance systems for aircraft |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1030852A true GB1030852A (en) | 1966-05-25 |
Family
ID=9965002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1028362A Expired GB1030852A (en) | 1962-03-16 | 1962-03-16 | Improvement in radio guidance systems for aircraft |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1030852A (en) |
-
1962
- 1962-03-16 GB GB1028362A patent/GB1030852A/en not_active Expired
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