DE1287801B - - Google Patents

Info

Publication number
DE1287801B
DE1287801B DENDAT1287801D DE1287801DA DE1287801B DE 1287801 B DE1287801 B DE 1287801B DE NDAT1287801 D DENDAT1287801 D DE NDAT1287801D DE 1287801D A DE1287801D A DE 1287801DA DE 1287801 B DE1287801 B DE 1287801B
Authority
DE
Germany
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.)
Withdrawn
Application number
DENDAT1287801D
Other versions
DE1287801U (de
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 DE1287801B publication Critical patent/DE1287801B/de
Withdrawn legal-status Critical Current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
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G01S13/84—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted for distance determination by phase measurement

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
DENDAT1287801D 1964-04-20 Withdrawn DE1287801B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US360864A US3241139A (en) 1964-04-20 1964-04-20 Distance measuring system

Publications (1)

Publication Number Publication Date
DE1287801B true DE1287801B (de)

Family

ID=23419713

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT1287801D Withdrawn DE1287801B (de) 1964-04-20

Country Status (5)

Country Link
US (1) US3241139A (de)
CH (1) CH433463A (de)
DE (1) DE1287801B (de)
GB (1) GB1088514A (de)
SE (1) SE300643B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325811A (en) * 1963-12-24 1967-06-13 Int Standard Electric Corp Radio navigation system
US3315257A (en) * 1964-08-12 1967-04-18 Gerhard P Sauberlich Apparatus and method for geodeticsurveying system
US3365717A (en) * 1965-09-03 1968-01-23 South African Inventions Method of and apparatus for providing a measure of the distance between two spaced points
DE1256902B (de) * 1966-01-14 1967-12-21 Grundig Emv Auf dem Prinzip einer Messung der Laufzeit kohaerenter elektromagnetischer Schwingungen beruhende Vorrichtung zur Messung des Abstandes zweier voneinander entfernter Punkte
ZA723648B (en) * 1972-05-29 1973-09-26 South African Inventions Electronic means for resolving vernier measurements
US4307397A (en) * 1977-12-05 1981-12-22 The South African Inventions Development Corporation Method of and apparatus for measuring distance
US4454512A (en) * 1979-05-23 1984-06-12 Michael Millett Secondary radar system
US4490722A (en) * 1982-04-20 1984-12-25 Teledyne Industries, Inc. Radio navigation system
US4577150A (en) * 1982-06-09 1986-03-18 Plessey South Africa Limited Phase measuring method and apparatus
FR2574188B1 (fr) * 1984-11-30 1987-02-27 Inst Selskokhozyaistvennogo Procede de mesure de la distance jusqu'a un tracteur porte-outils commande et dispositif pour la mise en oeuvre de ce procede

Also Published As

Publication number Publication date
GB1088514A (en) 1967-10-25
US3241139A (en) 1966-03-15
CH433463A (de) 1967-04-15
SE300643B (de) 1968-05-06

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee