NL55791C - - Google Patents

Info

Publication number
NL55791C
NL55791C NL55791DA NL55791C NL 55791 C NL55791 C NL 55791C NL 55791D A NL55791D A NL 55791DA NL 55791 C NL55791 C NL 55791C
Authority
NL
Netherlands
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 of NL55791C publication Critical patent/NL55791C/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/10—Apparatus for measuring unknown time intervals by electric means by measuring electric or magnetic quantities changing in proportion to time
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/14—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Locating Faults (AREA)
NL55791D 1938-07-08 NL55791C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE530350X 1938-07-08

Publications (1)

Publication Number Publication Date
NL55791C true NL55791C (xx)

Family

ID=6554472

Family Applications (1)

Application Number Title Priority Date Filing Date
NL55791D NL55791C (xx) 1938-07-08

Country Status (4)

Country Link
US (1) US2415119A (xx)
FR (1) FR856445A (xx)
GB (1) GB530350A (xx)
NL (1) NL55791C (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2562449A (en) * 1946-01-17 1951-07-31 Sperry Prod Inc Apparatus for inspecting materials by wave trains
US2502938A (en) * 1947-05-21 1950-04-04 Raytheon Mfg Co Sound ranging distance measuring system
US2574596A (en) * 1948-04-06 1951-11-13 Stromberg Carlson Co Ultrasonic distance-measuring system
US2646555A (en) * 1950-08-03 1953-07-21 Sperry Prod Inc Means for increasing the brightness of a cathode tube display
US3225325A (en) * 1950-10-04 1965-12-21 Paul C Gardiner Range gating means
US2741756A (en) * 1953-07-16 1956-04-10 Rca Corp Electrical data storage device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE589368C (xx) *
GB406368A (en) * 1932-08-26 1934-02-26 Marconi Wireless Telegraph Co Improvements in or relating to television and like systems
FR733287A (fr) * 1932-09-05 1932-10-01 Méthode de réception d'échos et appareil de sondage aérien ou sousmarin pour son application
US2120971A (en) * 1935-12-21 1938-06-21 Bell Telephone Labor Inc System and method of determining distance
US2144843A (en) * 1936-04-07 1939-01-24 Bell Telephone Labor Inc System and method of determining distance

Also Published As

Publication number Publication date
GB530350A (en) 1940-12-10
FR856445A (fr) 1940-06-13
US2415119A (en) 1947-02-04

Similar Documents

Publication Publication Date Title
FR851153A (xx)
SE96274C1 (xx)
BE426319A (xx)
BE427768A (xx)
BE426736A (xx)
BE426439A (xx)
BE426413A (xx)
NL55791C (xx)
NL58710C (xx)
NL56353C (xx)
NL53587C (xx)
NL53431C (xx)
NL52106C (xx)
BE427948A (xx)
BE443961A (xx)
BE436850A (xx)
BE427924A (xx)
BE434533A (xx)
BE432982A (xx)
BE432245A (xx)
BE431969A (xx)
BE428654A (xx)
BE428507A (xx)
BE428470A (xx)
BE436505A (xx)