FR2692994B1 - TWO-FREQUENCY TRANSMISSION DEVICE WITH PHASE SHIFT OF THE AUDIO FREQUENCY MODULATION FOR AN INSTRUMENT LANDING INSTALLATION. - Google Patents

TWO-FREQUENCY TRANSMISSION DEVICE WITH PHASE SHIFT OF THE AUDIO FREQUENCY MODULATION FOR AN INSTRUMENT LANDING INSTALLATION.

Info

Publication number
FR2692994B1
FR2692994B1 FR9307183A FR9307183A FR2692994B1 FR 2692994 B1 FR2692994 B1 FR 2692994B1 FR 9307183 A FR9307183 A FR 9307183A FR 9307183 A FR9307183 A FR 9307183A FR 2692994 B1 FR2692994 B1 FR 2692994B1
Authority
FR
France
Prior art keywords
transmission device
phase shift
instrument landing
audio frequency
frequency modulation
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 - Fee Related
Application number
FR9307183A
Other languages
French (fr)
Other versions
FR2692994A1 (en
Inventor
Greving Gerhard
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.)
Alcatel Lucent Deutschland AG
Original Assignee
Alcatel SEL 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 Alcatel SEL AG filed Critical Alcatel SEL AG
Publication of FR2692994A1 publication Critical patent/FR2692994A1/en
Application granted granted Critical
Publication of FR2692994B1 publication Critical patent/FR2692994B1/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
    • G01S1/14—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)
FR9307183A 1992-06-19 1993-06-15 TWO-FREQUENCY TRANSMISSION DEVICE WITH PHASE SHIFT OF THE AUDIO FREQUENCY MODULATION FOR AN INSTRUMENT LANDING INSTALLATION. Expired - Fee Related FR2692994B1 (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 (2)

Publication Number Publication Date
FR2692994A1 FR2692994A1 (en) 1993-12-31
FR2692994B1 true FR2692994B1 (en) 1995-09-08

Family

ID=6461385

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9307183A Expired - Fee Related FR2692994B1 (en) 1992-06-19 1993-06-15 TWO-FREQUENCY TRANSMISSION DEVICE WITH PHASE SHIFT OF THE AUDIO FREQUENCY MODULATION FOR AN INSTRUMENT LANDING INSTALLATION.

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
AU2020381501B2 (en) * 2019-11-15 2023-11-02 Thales USA, Inc. Antenna and glide path array for small footprint aircraft precision approach and landing system

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
NO932143D0 (en) 1993-06-11
NO302001B1 (en) 1998-01-05
CA2097976A1 (en) 1993-12-20
DE4220101A1 (en) 1993-12-23
FR2692994A1 (en) 1993-12-31
NO932143L (en) 1993-12-20

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070228