GB1506904A - Method of and apparatus for locating a position - Google Patents

Method of and apparatus for locating a position

Info

Publication number
GB1506904A
GB1506904A GB8904/75A GB890475A GB1506904A GB 1506904 A GB1506904 A GB 1506904A GB 8904/75 A GB8904/75 A GB 8904/75A GB 890475 A GB890475 A GB 890475A GB 1506904 A GB1506904 A GB 1506904A
Authority
GB
United Kingdom
Prior art keywords
modulation
phase
frequency
march
position determination
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
GB8904/75A
Other languages
English (en)
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
Publication of GB1506904A publication Critical patent/GB1506904A/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)
GB8904/75A 1974-03-08 1975-03-04 Method of and apparatus for locating a position Expired GB1506904A (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
GB1506904A true GB1506904A (en) 1978-04-12

Family

ID=23784217

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8904/75A Expired GB1506904A (en) 1974-03-08 1975-03-04 Method of and apparatus 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114286285A (zh) * 2021-12-10 2022-04-05 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

Families Citing this family (1)

* 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114286285A (zh) * 2021-12-10 2022-04-05 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
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
JPS50127592A (xx) 1975-10-07
CH607853A5 (en) 1978-11-30
CA1050139A (en) 1979-03-06
AU7892675A (en) 1976-09-16
FR2263525B1 (xx) 1978-10-13
ZA751431B (en) 1976-10-27
NO750769L (xx) 1975-09-09
DE2510120A1 (de) 1976-02-05
FR2263525A1 (xx) 1975-10-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee