FR2335853A1 - Appareil de detection d'objets par impulsions ultrasonores - Google Patents

Appareil de detection d'objets par impulsions ultrasonores

Info

Publication number
FR2335853A1
FR2335853A1 FR7637688A FR7637688A FR2335853A1 FR 2335853 A1 FR2335853 A1 FR 2335853A1 FR 7637688 A FR7637688 A FR 7637688A FR 7637688 A FR7637688 A FR 7637688A FR 2335853 A1 FR2335853 A1 FR 2335853A1
Authority
FR
France
Prior art keywords
detection device
object detection
ultrasonic pulse
pulse object
ultrasonic
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.)
Granted
Application number
FR7637688A
Other languages
English (en)
Other versions
FR2335853B1 (fr
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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
Priority claimed from JP14982675A external-priority patent/JPS5272480A/ja
Priority claimed from JP50149810A external-priority patent/JPS5272478A/ja
Priority claimed from JP6952076A external-priority patent/JPS52152199A/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of FR2335853A1 publication Critical patent/FR2335853A1/fr
Application granted granted Critical
Publication of FR2335853B1 publication Critical patent/FR2335853B1/fr
Granted 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
    • 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
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • G01S15/526—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection by comparing echos in different sonar periods

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR7637688A 1975-12-15 1976-12-14 Appareil de detection d'objets par impulsions ultrasonores Granted FR2335853A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14982675A JPS5272480A (en) 1975-12-15 1975-12-15 Method of determining output pulse cycles from supersonic switch
JP50149810A JPS5272478A (en) 1975-12-15 1975-12-15 Supersonic switch
JP6952076A JPS52152199A (en) 1976-06-14 1976-06-14 Amplifier driving system of ultrasonic pulse echo type switch

Publications (2)

Publication Number Publication Date
FR2335853A1 true FR2335853A1 (fr) 1977-07-15
FR2335853B1 FR2335853B1 (fr) 1981-07-10

Family

ID=27300068

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7637688A Granted FR2335853A1 (fr) 1975-12-15 1976-12-14 Appareil de detection d'objets par impulsions ultrasonores

Country Status (4)

Country Link
US (1) US4131872A (fr)
DE (1) DE2656256C3 (fr)
FR (1) FR2335853A1 (fr)
GB (1) GB1568229A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585272A (en) * 1978-12-22 1980-06-27 Kooa Denshi Kogyo Kk Body confirming device
DE2938969C2 (de) * 1979-09-26 1984-12-13 Siemens AG, 1000 Berlin und 8000 München Ultraschall-Raumüberwachungssystem nach dem Impuls-Echo-Verfahren
DE3071890D1 (en) * 1980-08-20 1987-02-19 Secom Co Ltd Ultrasonic warning system
US4382291A (en) * 1980-10-17 1983-05-03 Secom Co., Ltd. Surveillance system in which a reflected signal pattern is compared to a reference pattern
DE3226517C2 (de) * 1982-07-15 1984-08-30 Siemens AG, 1000 Berlin und 8000 München Verfahren und Einrichtung zur Raumüberwachung durch digitale Auswertung eines komplexen Echosignals
GB2137749A (en) * 1983-04-07 1984-10-10 Healey Meters Limited Intruder Detection System
DE3906627A1 (de) * 1989-03-02 1990-09-06 Megamos F & G Sicherheit Verfahren und anordnung zur raumueberwachung nach dem impuls-echoverfahren
US5036706A (en) * 1989-08-08 1991-08-06 Web Printing Controls Co., Inc. Sonic web break detector
CN1045658C (zh) * 1991-07-29 1999-10-13 基·雷/森索尔有限公司 带有自动自测功能的探测方法及其超声探测器
US5269188A (en) * 1991-07-29 1993-12-14 Rosemount Inc. Continuous self test time gate ultrasonic sensor and method
US5428984A (en) * 1993-08-30 1995-07-04 Kay-Ray/Sensall, Inc. Self test apparatus for ultrasonic sensor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3474400A (en) * 1965-03-31 1969-10-21 Gen Signal Corp Sonic presence detection system and method
US3500302A (en) * 1969-01-13 1970-03-10 Us Navy Sonar bathymetry system transmit-receive sequence programmer

Also Published As

Publication number Publication date
GB1568229A (en) 1980-05-29
US4131872A (en) 1978-12-26
DE2656256A1 (de) 1977-06-23
DE2656256B2 (de) 1978-08-10
DE2656256C3 (de) 1979-04-05
FR2335853B1 (fr) 1981-07-10

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