GB8809191D0 - Automatic real-time fault monitor verifying network in microwave landing system - Google Patents

Automatic real-time fault monitor verifying network in microwave landing system

Info

Publication number
GB8809191D0
GB8809191D0 GB888809191A GB8809191A GB8809191D0 GB 8809191 D0 GB8809191 D0 GB 8809191D0 GB 888809191 A GB888809191 A GB 888809191A GB 8809191 A GB8809191 A GB 8809191A GB 8809191 D0 GB8809191 D0 GB 8809191D0
Authority
GB
United Kingdom
Prior art keywords
landing system
time fault
fault monitor
automatic real
microwave landing
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.)
Granted
Application number
GB888809191A
Other versions
GB2203915A (en
GB2203915B (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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine 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
Priority claimed from US07/040,505 external-priority patent/US4823127A/en
Application filed by Hazeltine Corp filed Critical Hazeltine Corp
Publication of GB8809191D0 publication Critical patent/GB8809191D0/en
Priority claimed from EP88304871A external-priority patent/EP0343295B1/en
Publication of GB2203915A publication Critical patent/GB2203915A/en
Application granted granted Critical
Publication of GB2203915B publication Critical patent/GB2203915B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01S1/08—Systems for determining direction or position line
    • G01S1/44—Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation
    • G01S1/54—Narrow-beam systems producing at a 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 receiver from the beacon and a reference direction from the beacon; Overlapping broad beam systems defining a narrow zone and producing at a 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 receiver from the beacon and a reference direction from the beacon
    • G01S1/56—Timing the pulse-type envelope signals derived by reception of the beam
    • 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
    • G01S1/022—Means for monitoring or calibrating
    • G01S1/024—Means for monitoring or calibrating of beacon transmitters

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)
  • Traffic Control Systems (AREA)
GB8809191A 1987-04-20 1988-04-19 Automatic, real-time fault monitor verifying network in a microwave landing system Expired - Fee Related GB2203915B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/040,505 US4823127A (en) 1987-04-20 1987-04-20 Automatic, real-time fault monitor verifying network in a microwave landing system
CA000564773A CA1325261C (en) 1987-04-20 1988-04-21 Automatic, real-time fault monitor verifying network in a microwave landing system
EP88304871A EP0343295B1 (en) 1988-04-21 1988-05-27 Automatic, real-time fault monitor verifying network in a microwave landing system

Publications (3)

Publication Number Publication Date
GB8809191D0 true GB8809191D0 (en) 1988-05-25
GB2203915A GB2203915A (en) 1988-10-26
GB2203915B GB2203915B (en) 1991-05-22

Family

ID=27167933

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8809191A Expired - Fee Related GB2203915B (en) 1987-04-20 1988-04-19 Automatic, real-time fault monitor verifying network in a microwave landing system

Country Status (2)

Country Link
CA (1) CA1325261C (en)
GB (1) GB2203915B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3885092T2 (en) * 1988-04-21 1994-05-19 Hazeltine Corp Automatic real-time verification circuit for a fault monitor in a microwave landing system.
GB2282292B (en) * 1993-09-28 1997-12-17 Siemens Plessey Electronic Improvements in or relating to aircraft landing systems

Also Published As

Publication number Publication date
CA1325261C (en) 1993-12-14
GB2203915A (en) 1988-10-26
GB2203915B (en) 1991-05-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950419