BE616893A - Perfectionnements aux appareils d'enregistrement numérique d'intervalles de temps, applicables notamment aux appareils de sondage et aux mesures de profondeur de houle - Google Patents

Perfectionnements aux appareils d'enregistrement numérique d'intervalles de temps, applicables notamment aux appareils de sondage et aux mesures de profondeur de houle

Info

Publication number
BE616893A
BE616893A BE616893A BE616893A BE616893A BE 616893 A BE616893 A BE 616893A BE 616893 A BE616893 A BE 616893A BE 616893 A BE616893 A BE 616893A BE 616893 A BE616893 A BE 616893A
Authority
BE
Belgium
Prior art keywords
devices
time interval
particularly applicable
digital time
depth measurements
Prior art date
Application number
BE616893A
Other languages
English (en)
Original Assignee
Electricite De France
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 filed Critical Electricite De France
Publication of BE616893A publication Critical patent/BE616893A/fr

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)
BE616893A 1961-05-05 1962-04-25 Perfectionnements aux appareils d'enregistrement numérique d'intervalles de temps, applicables notamment aux appareils de sondage et aux mesures de profondeur de houle BE616893A (fr)

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
BE616893A true BE616893A (fr) 1962-08-16

Family

ID=8754539

Family Applications (1)

Application Number Title Priority Date Filing Date
BE616893A BE616893A (fr) 1961-05-05 1962-04-25 Perfectionnements aux appareils d'enregistrement numérique d'intervalles de temps, applicables notamment aux appareils de sondage et aux mesures de profondeur de houle

Country Status (4)

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

Families Citing this family (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
GB1570090A (en) * 1976-12-17 1980-06-25 Space Age Electronics Ltd Echo sounders
US4872145A (en) * 1987-05-04 1989-10-03 Hazeltine Corporation Noise trap circuit
CN115166284B (zh) * 2022-06-28 2025-05-02 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
GB986416A (en) 1965-03-17
NL278077A (fr)
FR79736E (fr) 1963-01-11

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