CA1050139A - Method of and system for locating a position - Google Patents

Method of and system for locating a position

Info

Publication number
CA1050139A
CA1050139A CA220,866A CA220866A CA1050139A CA 1050139 A CA1050139 A CA 1050139A CA 220866 A CA220866 A CA 220866A CA 1050139 A CA1050139 A CA 1050139A
Authority
CA
Canada
Prior art keywords
signal
frequency
signals
modulating
phase
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
Application number
CA220,866A
Other languages
English (en)
French (fr)
Inventor
Albert A. Elwood
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.)
Individual
Original Assignee
Individual
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 US449452A external-priority patent/US3916410A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1050139A publication Critical patent/CA1050139A/en
Expired 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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/08—Systems for determining distance or velocity not using reflection or reradiation using radio waves using synchronised clocks
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radar Systems Or Details Thereof (AREA)
CA220,866A 1974-03-08 1975-02-25 Method of and system for locating a position Expired CA1050139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US449452A US3916410A (en) 1969-06-16 1974-03-08 Method of and system for locating a position

Publications (1)

Publication Number Publication Date
CA1050139A true CA1050139A (en) 1979-03-06

Family

ID=23784217

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220,866A Expired CA1050139A (en) 1974-03-08 1975-02-25 Method of and system for locating a position

Country Status (8)

Country Link
JP (1) JPS50127592A (xx)
CA (1) CA1050139A (xx)
CH (1) CH607853A5 (xx)
DE (1) DE2510120A1 (xx)
FR (1) FR2263525B1 (xx)
GB (1) GB1506904A (xx)
NO (1) NO750769L (xx)
ZA (1) ZA751431B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704852C2 (de) * 1977-02-05 1983-06-23 Krone Gmbh, 1000 Berlin Anordnung von Vorrichtungen, insbesondere mit einer Anzeige- bzw. Steuervorrichtung zum Führen eines Fahrzeuges
CN114286285B (zh) * 2021-12-10 2023-07-04 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） 一种基于地理网格的通信频率探测方法及系统

Also Published As

Publication number Publication date
GB1506904A (en) 1978-04-12
FR2263525B1 (xx) 1978-10-13
ZA751431B (en) 1976-10-27
NO750769L (xx) 1975-09-09
AU7892675A (en) 1976-09-16
JPS50127592A (xx) 1975-10-07
FR2263525A1 (xx) 1975-10-03
CH607853A5 (en) 1978-11-30
DE2510120A1 (de) 1976-02-05

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