ATE83558T1 - Ultraschallsender. - Google Patents

Ultraschallsender.

Info

Publication number
ATE83558T1
ATE83558T1 AT88108061T AT88108061T ATE83558T1 AT E83558 T1 ATE83558 T1 AT E83558T1 AT 88108061 T AT88108061 T AT 88108061T AT 88108061 T AT88108061 T AT 88108061T AT E83558 T1 ATE83558 T1 AT E83558T1
Authority
AT
Austria
Prior art keywords
leaks
detected
audio signal
transducer
ultrasonic
Prior art date
Application number
AT88108061T
Other languages
English (en)
Inventor
Mark Goodman
John Richard Zeno
Marty Borruso
Original Assignee
Ue Systems Inc
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 Ue Systems Inc filed Critical Ue Systems Inc
Application granted granted Critical
Publication of ATE83558T1 publication Critical patent/ATE83558T1/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36Detecting the response signal, e.g. electronic circuits specially adapted therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Saccharide Compounds (AREA)
AT88108061T 1983-07-14 1983-07-14 Ultraschallsender. ATE83558T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88108061A EP0303776B1 (de) 1983-07-14 1983-07-14 Ultraschallsender

Publications (1)

Publication Number Publication Date
ATE83558T1 true ATE83558T1 (de) 1993-01-15

Family

ID=8198987

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88108061T ATE83558T1 (de) 1983-07-14 1983-07-14 Ultraschallsender.

Country Status (3)

Country Link
EP (1) EP0303776B1 (de)
AT (1) ATE83558T1 (de)
DE (1) DE3382647T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0298226A3 (de) * 1983-07-14 1991-04-10 Ue Systems Inc. Ultraschallwandler
US5351527A (en) * 1992-12-04 1994-10-04 Trw Vehicle Safety Systems Inc. Method and apparatus for testing fluid pressure in a sealed vessel
US9823158B2 (en) 2014-01-16 2017-11-21 Radiaulics, Inc. Multi-function ultrasonic sound generator with an audio transducer for human hearing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264864A (en) * 1962-03-01 1966-08-09 American Gas Ass Apparatus for pinpointing leaks in buried pipes
US3222635A (en) * 1962-11-13 1965-12-07 Hewlett Packard Co Ultrasonic vibration detector
US3308424A (en) * 1963-12-16 1967-03-07 Hewlett Packard Co Vibration detection
GB1121824A (en) * 1965-12-14 1968-07-31 Exxon Research Engineering Co Pipeline leak detector
US4279019A (en) * 1979-05-15 1981-07-14 California Institute Of Technology Method and apparatus for delay analysis of energy transmitted through a medium
US4391142A (en) * 1980-06-10 1983-07-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Frequency tracked gated pulse technique for ultrasonic frequency

Also Published As

Publication number Publication date
DE3382647T2 (de) 1993-04-22
DE3382647D1 (de) 1993-01-28
EP0303776B1 (de) 1992-12-16
EP0303776A3 (en) 1989-03-15
EP0303776A2 (de) 1989-02-22

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee