BE223957A - - Google Patents

Info

Publication number
BE223957A
BE223957A BE223957DA BE223957A BE 223957 A BE223957 A BE 223957A BE 223957D A BE223957D A BE 223957DA BE 223957 A BE223957 A BE 223957A
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 date
Publication of BE223957A publication Critical patent/BE223957A/xx

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
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/12—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Geophysics And Detection Of Objects (AREA)
BE223957D 1923-07-17 BE223957A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US652200A US1585591A (en) 1923-07-17 1923-07-17 Means for electric proof and measuring of the distance of electricallyconductive bodies
GB18730/23A GB223957A (en) 1923-07-17 1923-07-20 Improved means for electrically exploring the interior of the earth and for other purposes

Publications (1)

Publication Number Publication Date
BE223957A true BE223957A (de) 1900-01-01

Family

ID=62152182

Family Applications (1)

Application Number Title Priority Date Filing Date
BE223957D BE223957A (de) 1923-07-17

Country Status (5)

Country Link
US (1) US1585591A (de)
BE (1) BE223957A (de)
DE (1) DE403939C (de)
FR (1) FR574968A (de)
GB (1) GB223957A (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767966C (de) * 1934-06-12 1955-05-05 Siemens App Verfahren und Einrichtungen zur Entfernungsbestimmung
DE767353C (de) * 1935-06-28 1952-06-13 Lorenz A G C Verfahren zur Messung von Abstaenden nach der Impulsmethode
DE767403C (de) * 1935-07-03 1952-09-22 Lorenz A G C Verfahren zur Messung von Abstaenden durch Vergleich der Laufzeit reflektierter Impulse mit der Impulsfrequenz
DE767625C (de) * 1935-11-27 1953-03-23 Lorenz C Ag Anordnung zur Entfernungsmessung mittels reflektierter Impulse
DE767456C (de) * 1935-12-02 1952-09-08 Lorenz C Ag Anordnung zur Sperrung von Empfaengern
DE767397C (de) * 1936-01-24 1952-07-31 Lorenz A G C Verfahren zur gleichzeitigen Entfernungs- und Richtungsbestimmung
DE925198C (de) * 1936-04-28 1955-03-14 Telefunken Gmbh Einrichtung zur gleichzeitigen Anzeige sowohl des Abstandes als auch der genauen Richtung mehrerer reflektierender Gegenstaende
DE767357C (de) * 1936-11-18 1952-06-13 Lorenz A G C Anordnung zur Entfernungsmessung nach dem Impulsreflexionsprinzip
DE767405C (de) * 1937-01-24 1952-07-31 Lorenz A G C Schaltungsanordnung zur impulsmaessigen UEberlastung von Senderoehren
US2415095A (en) * 1938-01-17 1947-02-04 Board Radio measurement of distances and velocities
US2415094A (en) * 1938-01-17 1947-02-04 Board Radio measurement of distances and velocities
DE757154C (de) * 1938-02-16 1952-09-15 Csf Impulsgenerator
DE767408C (de) * 1939-02-03 1952-08-07 Telefunken Gmbh Aus Sender und Empfaenger bestehendes, im Kurz- oder Ultrakurzwellengebiet arbeitendes Rueckstrahlgeraet
DE767455C (de) * 1939-12-28 1952-08-14 Hans Heil Verfahren zur Entfernungs- und Geschwindigkeitsbestimmung reflektierender bewegter Objekte
FR958877A (de) * 1940-04-12 1950-03-21
US2542983A (en) * 1941-12-19 1951-02-27 Int Standard Electric Corp Arrangement for determining distances by reflection of electrical pulses
US2457199A (en) * 1942-01-09 1948-12-28 Best Frank Ellison Proximity and direction indicator
US2454772A (en) * 1942-03-20 1948-11-30 Standard Telephones Cables Ltd Pulse echo system for distance measuring
US2445584A (en) * 1942-04-13 1948-07-20 Gen Electric Pulse receiving system
US2426581A (en) * 1942-07-01 1947-09-02 Tungsol Lamp Works Inc Method of and apparatus for concurent radio transmission and reception
US2481515A (en) * 1943-03-30 1949-09-13 Sperry Corp Method and apparatus for pulseecho distance measuring
US2523858A (en) * 1943-04-17 1950-09-26 Henry R Bodemuller Radio apparatus for visualizing distant objects
US2705319A (en) * 1943-05-07 1955-03-29 Dauber Harry Detection of changes in terrain reflection coefficient
US2636924A (en) * 1944-11-01 1953-04-28 Lundberg Explorations Ltd Method of geophysical exploration
US2591856A (en) * 1944-12-09 1952-04-08 Bell Telephone Labor Inc Pulse echo distance indicator
US2803819A (en) * 1945-06-07 1957-08-20 William R Blair Object locating system
US2568336A (en) * 1947-04-09 1951-09-18 Rca Corp Cathode-ray tube commutator system
US2738502A (en) * 1947-12-30 1956-03-13 Esther M Armstrong Radio detection and ranging systems
US2632160A (en) * 1949-10-01 1953-03-17 H M R Electronics Inc Radar range system
US2901688A (en) * 1954-02-10 1959-08-25 Engineering Res Corp Method of exploring the earth with electromagnetic energy
US3102261A (en) * 1958-01-27 1963-08-27 Bendix Corp Sonic altimeter
NL277552A (de) * 1961-04-24
GB1054455A (de) * 1964-02-25
GB1364808A (en) * 1971-12-08 1974-08-29 Sendai Television Broadcasting Simultaneous radio communication system

Also Published As

Publication number Publication date
FR574968A (fr) 1924-07-22
US1585591A (en) 1926-05-18
DE403939C (de) 1924-10-07
GB223957A (en) 1924-10-20

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