GB652709A - Improvements in or relating to navigational warning systems employing radio beacons - Google Patents

Improvements in or relating to navigational warning systems employing radio beacons

Info

Publication number
GB652709A
GB652709A GB9869/48A GB986948A GB652709A GB 652709 A GB652709 A GB 652709A GB 9869/48 A GB9869/48 A GB 9869/48A GB 986948 A GB986948 A GB 986948A GB 652709 A GB652709 A GB 652709A
Authority
GB
United Kingdom
Prior art keywords
waveform
receiver
frequency
sweep
output
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
Application number
GB9869/48A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unisys Corp
Original Assignee
Sperry Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sperry Corp filed Critical Sperry Corp
Publication of GB652709A publication Critical patent/GB652709A/en
Expired legal-status Critical Current

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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/08—Position of single direction-finder fixed by determining direction of a plurality of spaced sources of known location
    • 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
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/58—Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane
    • G01S3/66—Narrow-beam systems producing in the receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference direction from the receiver; Overlapping broad-beam systems defining in the receiver a narrow zone and producing a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference direction from the receiver
    • G01S3/68—Narrow-beam systems producing in the receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference direction from the receiver; Overlapping broad-beam systems defining in the receiver a narrow zone and producing a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference direction from the receiver wherein the timing of the pulse-type envelope signal is indicated by cathode-ray tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB9869/48A 1947-04-10 1948-04-08 Improvements in or relating to navigational warning systems employing radio beacons Expired GB652709A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US652709XA 1947-04-10 1947-04-10

Publications (1)

Publication Number Publication Date
GB652709A true GB652709A (en) 1951-05-02

Family

ID=22061539

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9869/48A Expired GB652709A (en) 1947-04-10 1948-04-08 Improvements in or relating to navigational warning systems employing radio beacons

Country Status (2)

Country Link
FR (1) FR964574A (cs)
GB (1) GB652709A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9678205B2 (en) 2012-03-21 2017-06-13 Bjørn Hope Method for observing and recording the identity, position and movement of one or more vessels in specific waters or sailing line

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2754512A (en) * 1951-06-26 1956-07-10 Davis Harry Fm long range navigation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9678205B2 (en) 2012-03-21 2017-06-13 Bjørn Hope Method for observing and recording the identity, position and movement of one or more vessels in specific waters or sailing line

Also Published As

Publication number Publication date
FR964574A (cs) 1950-08-18

Similar Documents

Publication Publication Date Title
US2421016A (en) Radar testing apparatus
US2422135A (en) Frequency modulated distance indicator
GB595832A (en) Improvements in radio locating system
US2525328A (en) Radar system
US2116667A (en) Radio beacon and blind landing system
NL75996C (cs)
GB724555A (en) Improvements in and relating to continuous wave radar systems
GB601725A (en) Direction and distance indicating system employing electromagnetic waves
GB594532A (en) Improvement in omnidirectional radio navigation-aiding systems
US2947985A (en) Navigation systems
US2546973A (en) Arrangement for determining distance by means of electromagnetic waves
GB592577A (en) Improvements relating to calibration arrangements for oscillographs and their application to radio obstacle detection systems
US2508400A (en) Frequency-modulated direction- and range-finding apparatus
US3226714A (en) Airborne distance measuring equipment
US2433283A (en) Radio position finding
GB597769A (en) Radio direction-indicating device and system
GB646356A (en) Radio detection and location system
GB652709A (en) Improvements in or relating to navigational warning systems employing radio beacons
US2556109A (en) Radio distance measuring and like system
US2912688A (en) Test set
US2602162A (en) Radio beacon
US2691161A (en) Navigation system, including radio direction-finding equipment
US2602160A (en) Recognition system
US3290687A (en) Course beacon system to provide directional information with the aid of two frequency-deviation directional radiation patterns
US2644155A (en) Blind landing system