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FR979754A - Dispositif de mesure d'intervalle de temps - Google Patents

Dispositif de mesure d'intervalle de temps

Info

Publication number
FR979754A
FR979754A FR979754DA FR979754A FR 979754 A FR979754 A FR 979754A FR 979754D A FR979754D A FR 979754DA FR 979754 A FR979754 A FR 979754A
Authority
FR
France
Prior art keywords
time interval
measuring device
interval measuring
time
measuring
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR979754A publication Critical patent/FR979754A/fr
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
    • 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
    • G01S13/103—Systems for measuring distance only using transmission of interrupted, pulse modulated waves particularities of the measurement of the distance
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Particle Accelerators (AREA)
FR979754D 1948-01-30 1949-01-28 Dispositif de mesure d'intervalle de temps Expired FR979754A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5412A US2617984A (en) 1948-01-30 1948-01-30 Time interval measuring system

Publications (1)

Publication Number Publication Date
FR979754A true FR979754A (fr) 1951-05-02

Family

ID=21715716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR979754D Expired FR979754A (fr) 1948-01-30 1949-01-28 Dispositif de mesure d'intervalle de temps

Country Status (2)

Country Link
US (1) US2617984A (fr)
FR (1) FR979754A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1026861B (de) * 1954-07-01 1958-03-27 Kieler Howaldtswerke Ag Verfahren zur Fehlerortsbestimmung auf Leitungen nach der Impuls- oder Spannungssprung-Reflexionsmethode

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2742639A (en) * 1951-02-21 1956-04-17 Raytheon Mfg Co Signal comparison systems
US2708239A (en) * 1951-09-13 1955-05-10 Hazeltine Research Inc Control system for automatically varying the duration of repetitive pulses
US2915700A (en) * 1955-10-17 1959-12-01 Victor F Cartwright Test apparatus for measuring time delays
US3296618A (en) * 1964-04-24 1967-01-03 Collins Radio Co Clock timed reference gated pulse generating system for a tacan beacon

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2405238A (en) * 1940-04-13 1946-08-06 Rca Corp Position determining system
GB552072A (en) * 1941-12-16 1943-03-22 Int Standard Electric Corp Means for measuring time intervals by impulses
US2403873A (en) * 1942-08-06 1946-07-09 Ncr Co Impulse emitter
US2454782A (en) * 1942-12-08 1948-11-30 Standard Telephones Cables Ltd Adjustable expanded sweep for radar oscilloscopes
US2425600A (en) * 1942-12-14 1947-08-12 Gen Electric Pulse relay testing system
US2404047A (en) * 1943-01-21 1946-07-16 Rca Corp Electronic computing device
US2403918A (en) * 1943-12-29 1946-07-16 Rca Corp Method of operating the electronic chronographs
US2420516A (en) * 1944-06-15 1947-05-13 Gen Electric Pulse producing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1026861B (de) * 1954-07-01 1958-03-27 Kieler Howaldtswerke Ag Verfahren zur Fehlerortsbestimmung auf Leitungen nach der Impuls- oder Spannungssprung-Reflexionsmethode

Also Published As

Publication number Publication date
US2617984A (en) 1952-11-11

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