GB986416A - Improvements in or relating to apparatus for numerically recording time intervals - Google Patents

Improvements in or relating to apparatus for numerically recording time intervals

Info

Publication number
GB986416A
GB986416A GB1732262A GB1732262A GB986416A GB 986416 A GB986416 A GB 986416A GB 1732262 A GB1732262 A GB 1732262A GB 1732262 A GB1732262 A GB 1732262A GB 986416 A GB986416 A GB 986416A
Authority
GB
United Kingdom
Prior art keywords
signals
gate
circuit
echo
transmitted
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
GB1732262A
Other languages
English (en)
Inventor
Francois Barrault
Jean Choquet
Claude Milard
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.)
Electricite de France SA
Original Assignee
Electricite de France 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 Electricite de France SA filed Critical Electricite de France SA
Publication of GB986416A publication Critical patent/GB986416A/en
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
    • 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
    • G01S7/56—Display arrangements
    • G01S7/60—Display arrangements for providing a permanent recording
    • 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
    • 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
    • G01S15/18—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used
    • 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
    • G01S7/527—Extracting wanted echo signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB1732262A 1961-05-05 1962-05-04 Improvements in or relating to apparatus for numerically recording time intervals Expired GB986416A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR860875A FR79736E (fr) 1961-05-05 1961-05-05 Appareil pour l'enregistrement numérique d'intervalles de temps, applicable notamment aux mesures par sondage et aux mesures de profondeur de houle

Publications (1)

Publication Number Publication Date
GB986416A true GB986416A (en) 1965-03-17

Family

ID=8754539

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1732262A Expired GB986416A (en) 1961-05-05 1962-05-04 Improvements in or relating to apparatus for numerically recording time intervals

Country Status (4)

Country Link
BE (1) BE616893A (enrdf_load_stackoverflow)
FR (1) FR79736E (enrdf_load_stackoverflow)
GB (1) GB986416A (enrdf_load_stackoverflow)
NL (1) NL278077A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437986A (en) * 1966-12-12 1969-04-08 Earl W Noble Echo sounding apparatus
US3514747A (en) * 1968-10-25 1970-05-26 Panametrics Ultrasonic sensing system
FR2374653A1 (fr) * 1976-12-17 1978-07-13 Space Age Electronics Ltd Sondeur a echo assurant l'annulation des echos parasites
EP0359882A1 (en) * 1987-05-04 1990-03-28 Hazeltine Corporation Noise trap circuit
CN115166284A (zh) * 2022-06-28 2022-10-11 大陆汽车车身电子系统（芜湖）有限公司 频率信号采集系统及频率信号采集方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437986A (en) * 1966-12-12 1969-04-08 Earl W Noble Echo sounding apparatus
US3514747A (en) * 1968-10-25 1970-05-26 Panametrics Ultrasonic sensing system
FR2374653A1 (fr) * 1976-12-17 1978-07-13 Space Age Electronics Ltd Sondeur a echo assurant l'annulation des echos parasites
EP0359882A1 (en) * 1987-05-04 1990-03-28 Hazeltine Corporation Noise trap circuit
CN115166284A (zh) * 2022-06-28 2022-10-11 大陆汽车车身电子系统（芜湖）有限公司 频率信号采集系统及频率信号采集方法

Also Published As

Publication number Publication date
NL278077A (enrdf_load_stackoverflow)
FR79736E (fr) 1963-01-11
BE616893A (fr) 1962-08-16

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