[go: up one dir, main page]

FR701296A - Improvements in distance measurement using electric waves - Google Patents

Improvements in distance measurement using electric waves

Info

Publication number
FR701296A
FR701296A FR701296DA FR701296A FR 701296 A FR701296 A FR 701296A FR 701296D A FR701296D A FR 701296DA FR 701296 A FR701296 A FR 701296A
Authority
FR
France
Prior art keywords
distance measurement
electric waves
waves
electric
measurement
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
Other languages
French (fr)
Inventor
Hans Erich Hollmann
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
Application filed filed Critical
Application granted granted Critical
Publication of FR701296A publication Critical patent/FR701296A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
FR701296D 1929-07-13 1930-07-11 Improvements in distance measurement using electric waves Expired FR701296A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE365120X 1929-07-13

Publications (1)

Publication Number Publication Date
FR701296A true FR701296A (en) 1931-03-13

Family

ID=6317553

Family Applications (1)

Application Number Title Priority Date Filing Date
FR701296D Expired FR701296A (en) 1929-07-13 1930-07-11 Improvements in distance measurement using electric waves

Country Status (2)

Country Link
FR (1) FR701296A (en)
GB (1) GB365120A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767406C (en) * 1936-12-06 1952-07-31 Telefunken Gmbh Method for determining distance by reflecting electrical waves

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767406C (en) * 1936-12-06 1952-07-31 Telefunken Gmbh Method for determining distance by reflecting electrical waves

Also Published As

Publication number Publication date
GB365120A (en) 1932-01-12

Similar Documents

Publication Publication Date Title
FR653733A (en) Improvements in thickness measuring instruments
FR941509A (en) Distance measurement using electro-magnetic waves
FR697271A (en) Elastic suspension for electrical measuring instruments and in particular for meters
FR705124A (en) Improvements in measuring and indicator instruments
FR669987A (en) Instrument for the eradication of autumn colchicum
FR691089A (en) Device for measuring alternating electrical quantities
FR701296A (en) Improvements in distance measurement using electric waves
FR660641A (en) Device for measuring mechanical impedance
FR683719A (en) Adjustable school bench
FR608864A (en) Measuring device
FR711876A (en) Instrument for measuring angles
FR698604A (en) Stroboscopic apparatus for measuring distances and depths underwater and similar applications
FR677156A (en) Wave sensor
FR698456A (en) Coil for meters and measuring instruments
FR634690A (en) Wave collector
FR675048A (en) Device for measuring feet
FR653734A (en) Improvements to instruments used to measure acceleration
FR688885A (en) Device for measuring wavelengths
FR649063A (en) Measuring spoon
FR688121A (en) Compensated current measuring transformer
FR706172A (en) Relative armature electrical measuring instrument to determine the quotient
FR659405A (en) Induction measuring instrument
FR39358E (en) Wave sensor
FR640051A (en) Improvements in the construction of the ends of the connecting rods
FR665544A (en) Wave collector