NO932143L - Two-frequency transmitter - Google Patents

Two-frequency transmitter

Info

Publication number
NO932143L
NO932143L NO932143A NO932143A NO932143L NO 932143 L NO932143 L NO 932143L NO 932143 A NO932143 A NO 932143A NO 932143 A NO932143 A NO 932143A NO 932143 L NO932143 L NO 932143L
Authority
NO
Norway
Prior art keywords
frequency transmitter
transmitter
frequency
Prior art date
Application number
NO932143A
Other languages
Norwegian (no)
Other versions
NO302001B1 (en
NO932143D0 (en
Inventor
Gerhard Greving
Original Assignee
Sel Alcatel Ag
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 Sel Alcatel Ag filed Critical Sel Alcatel Ag
Publication of NO932143D0 publication Critical patent/NO932143D0/en
Publication of NO932143L publication Critical patent/NO932143L/en
Publication of NO302001B1 publication Critical patent/NO302001B1/en

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
    • G01S1/14—Systems for determining direction or position line using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently oriented overlapping directivity-characteristics

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Traffic Control Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
NO932143A 1992-06-19 1993-06-11 Two-frequency transmitter NO302001B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4220101A DE4220101A1 (en) 1992-06-19 1992-06-19 Two frequency transmitter combination for instrument landing system - uses differential phase shift of common audio frequency modulations of course and clearance signals

Publications (3)

Publication Number Publication Date
NO932143D0 NO932143D0 (en) 1993-06-11
NO932143L true NO932143L (en) 1993-12-20
NO302001B1 NO302001B1 (en) 1998-01-05

Family

ID=6461385

Family Applications (1)

Application Number Title Priority Date Filing Date
NO932143A NO302001B1 (en) 1992-06-19 1993-06-11 Two-frequency transmitter

Country Status (4)

Country Link
CA (1) CA2097976A1 (en)
DE (1) DE4220101A1 (en)
FR (1) FR2692994B1 (en)
NO (1) NO302001B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4206327C2 (en) * 1992-02-29 2000-10-19 Sel Alcatel Ag Dual frequency transmitter with audio frequency modulation phasing for an instrument landing system
DE19722913A1 (en) * 1997-05-31 1998-12-03 Alsthom Cge Alcatel Glide path transmitter for the ILS instrument landing system
DE19757044A1 (en) * 1997-12-20 1999-06-24 Cit Alcatel Landing course monitoring method for airplane automatic landing system
JP3427790B2 (en) * 1999-08-02 2003-07-22 日本電気株式会社 Farfield monitor device
CN115315719A (en) * 2019-11-15 2022-11-08 泰雷兹美国公司 Antenna and taxi path array for precision approach landing system for small aircraft

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1062551A (en) * 1963-04-26 1967-03-22 Standard Telephones Cables Ltd Radio guidance systems
US3887922A (en) * 1974-01-23 1975-06-03 Int Standard Electric Corp Instrument landing system with microwave course pattern transmission
GB1469507A (en) * 1974-05-10 1977-04-06 Plessey Co Ltd Aircraft navigation systems
DE4206327C2 (en) * 1992-02-29 2000-10-19 Sel Alcatel Ag Dual frequency transmitter with audio frequency modulation phasing for an instrument landing system

Also Published As

Publication number Publication date
FR2692994A1 (en) 1993-12-31
FR2692994B1 (en) 1995-09-08
NO302001B1 (en) 1998-01-05
NO932143D0 (en) 1993-06-11
DE4220101A1 (en) 1993-12-23
CA2097976A1 (en) 1993-12-20

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees