BE474311A - - Google Patents

Info

Publication number
BE474311A
BE474311A BE474311DA BE474311A BE 474311 A BE474311 A BE 474311A BE 474311D A BE474311D A BE 474311DA BE 474311 A BE474311 A BE 474311A
Authority
BE
Belgium
Application number
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.)
Publication of BE474311A publication Critical patent/BE474311A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D219/00—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
    • C07D219/04—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
    • C07D219/08—Nitrogen atoms
    • C07D219/10—Nitrogen atoms attached in position 9
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D219/00—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
    • C07D219/02—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with only hydrogen, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D219/00—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
    • C07D219/04—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
    • 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

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Audible And Visible Signals (AREA)
  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
BE474311D 1940-02-01 BE474311A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US316732A US2406734A (en) 1940-02-01 1940-02-01 Glide path beacon

Publications (1)

Publication Number Publication Date
BE474311A true BE474311A (sv)

Family

ID=23230405

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474311D BE474311A (sv) 1940-02-01

Country Status (7)

Country Link
US (1) US2406734A (sv)
BE (1) BE474311A (sv)
CH (1) CH266918A (sv)
ES (1) ES177861A1 (sv)
FR (1) FR956486A (sv)
GB (1) GB592571A (sv)
NL (2) NL299130A (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2713164A (en) * 1945-05-21 1955-07-12 Itt Direction finding system
US2527570A (en) * 1947-12-01 1950-10-31 Int Standard Electric Corp Glide path system
US2610321A (en) * 1948-02-28 1952-09-09 Int Standard Electric Corp Glide path antenna
US2539500A (en) * 1948-02-28 1951-01-30 Int Standard Electric Corp Glide path and localizer system
US3113310A (en) * 1961-02-10 1963-12-03 Avco Corp Null scanning radar
GB1062551A (en) * 1963-04-26 1967-03-22 Standard Telephones Cables Ltd Radio guidance systems
US3409890A (en) * 1966-12-28 1968-11-05 Univ Sydney Landing system for aircraft
US3716863A (en) * 1970-08-06 1973-02-13 American Nucleonics Corp Instrument landing error correcting system

Also Published As

Publication number Publication date
NL136262C (sv)
GB592571A (en) 1947-09-23
NL299130A (sv)
US2406734A (en) 1946-09-03
ES177861A1 (es) 1947-06-16
FR956486A (sv) 1950-02-02
CH266918A (de) 1950-02-28

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