NL7314279A - - Google Patents

Info

Publication number
NL7314279A
NL7314279A NL7314279A NL7314279A NL7314279A NL 7314279 A NL7314279 A NL 7314279A NL 7314279 A NL7314279 A NL 7314279A NL 7314279 A NL7314279 A NL 7314279A NL 7314279 A NL7314279 A NL 7314279A
Authority
NL
Netherlands
Application number
NL7314279A
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 US00299586A external-priority patent/US3806935A/en
Priority claimed from US00299468A external-priority patent/US3824594A/en
Application filed filed Critical
Publication of NL7314279A publication Critical patent/NL7314279A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • 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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar Systems Or Details Thereof (AREA)
NL7314279A 1970-07-13 1973-10-17 NL7314279A (cs)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US5445670A 1970-07-13 1970-07-13
US5451070A 1970-07-13 1970-07-13
US00299586A US3806935A (en) 1970-07-13 1972-10-20 Radio navigational aid with separate standard frequency signal
US00299468A US3824594A (en) 1972-10-20 1972-10-20 Apparatus for receiving separate standard frequencies with separate sub-bands

Publications (1)

Publication Number Publication Date
NL7314279A true NL7314279A (cs) 1974-04-23

Family

ID=27489642

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7314279A NL7314279A (cs) 1970-07-13 1973-10-17

Country Status (5)

Country Link
CH (1) CH561426A5 (cs)
DE (1) DE2352219A1 (cs)
FR (2) FR2203978A2 (cs)
GB (1) GB1399769A (cs)
NL (1) NL7314279A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0619667B2 (ja) * 1986-10-07 1994-03-16 村田機械株式会社 検出装置

Also Published As

Publication number Publication date
GB1399769A (en) 1975-07-02
FR2203978A2 (cs) 1974-05-17
DE2352219A1 (de) 1974-05-02
CH561426A5 (cs) 1975-04-30
FR2257912A2 (cs) 1975-08-08

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Legal Events

Date Code Title Description
BV The patent application has lapsed