DE69305619D1 - Ultraschallmessgerät mit Regelung des Verstärkungsfaktors - Google Patents

Ultraschallmessgerät mit Regelung des Verstärkungsfaktors

Info

Publication number
DE69305619D1
DE69305619D1 DE69305619T DE69305619T DE69305619D1 DE 69305619 D1 DE69305619 D1 DE 69305619D1 DE 69305619 T DE69305619 T DE 69305619T DE 69305619 T DE69305619 T DE 69305619T DE 69305619 D1 DE69305619 D1 DE 69305619D1
Authority
DE
Germany
Prior art keywords
control
measuring device
gain factor
ultrasonic measuring
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.)
Expired - Fee Related
Application number
DE69305619T
Other languages
English (en)
Other versions
DE69305619T2 (de
Inventor
Etienne Daniel
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.)
Asulab AG
Original Assignee
Asulab AG
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 Asulab AG filed Critical Asulab AG
Publication of DE69305619D1 publication Critical patent/DE69305619D1/de
Application granted granted Critical
Publication of DE69305619T2 publication Critical patent/DE69305619T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • G01S7/52033—Gain control of receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/90—Sonar time varied gain control systems

Landscapes

  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Remote Sensing (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Analytical Chemistry (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
DE69305619T 1992-12-29 1993-12-22 Ultraschallmessgerät mit Regelung des Verstärkungsfaktors Expired - Fee Related DE69305619T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9215987A FR2700016B1 (fr) 1992-12-29 1992-12-29 Appareil de mesure par ultrasons ayant un contrôle de gain ajustable.

Publications (2)

Publication Number Publication Date
DE69305619D1 true DE69305619D1 (de) 1996-11-28
DE69305619T2 DE69305619T2 (de) 1997-05-15

Family

ID=9437340

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69305619T Expired - Fee Related DE69305619T2 (de) 1992-12-29 1993-12-22 Ultraschallmessgerät mit Regelung des Verstärkungsfaktors

Country Status (5)

Country Link
US (1) US5455805A (de)
EP (1) EP0604892B1 (de)
JP (1) JPH06225877A (de)
DE (1) DE69305619T2 (de)
FR (1) FR2700016B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5497448B2 (ja) * 2006-12-15 2014-05-21 オブシェストボ エス オグラニチェンノイ オトベツトベンノスチュ“ノルディンクラフト サンクト−ペテルブルグ” 超音波試験の干渉保護を強化する方法及びこの方法を実行する装置
JP5826608B2 (ja) 2011-11-14 2015-12-02 株式会社ブリヂストン トレッド厚さ測定方法
KR101381166B1 (ko) * 2012-05-15 2014-04-04 알피니언메디칼시스템 주식회사 조합모드 영상 내 ｂ－모드 영상의 이득을 보정하는 초음파 의료 장치 및 그 방법
CN107449475B (zh) * 2017-09-07 2024-03-19 上海一诺仪表有限公司 超声流量计
CN114217090B (zh) * 2021-12-07 2022-09-23 中国科学院大学 传感器控制装置、超声测速仪、超声测速系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3309914A (en) * 1963-10-07 1967-03-21 Automation Ind Inc Ultrasonic inspection
US3367173A (en) * 1964-02-21 1968-02-06 Haffrel Instr Inc Device for sonic and ultrasonic internal scanning of solid and fluid media
US3683324A (en) * 1970-06-19 1972-08-08 Lowrance Electronics Mfg Depth meter having improved time varying gain control
US4008713A (en) * 1975-09-18 1977-02-22 The United States Of America Ultrasonic diagnostic technique utilizing switched gain signal processing
US4420824A (en) * 1981-04-13 1983-12-13 Lowrance Electronics, Inc. Sonar apparatus having improved gain control
US4578997A (en) * 1982-01-04 1986-04-01 Fischer & Porter Time-shaped AGC for ultrasonic liquid level meter of the echo-ranging type
US4451797A (en) * 1982-02-26 1984-05-29 Amf Inc. AGC Controller for pulsed system
JPS58152546A (ja) * 1982-03-04 1983-09-10 横河電機株式会社 超音波診断装置の反射波受信方式
US4852576A (en) * 1985-04-02 1989-08-01 Elscint Ltd. Time gain compensation for ultrasonic medical imaging systems
WO1990002346A1 (en) * 1988-08-23 1990-03-08 Ultrasonic Arrays, Inc. Ultrasonic transducer and method
IT1220770B (it) * 1988-04-12 1990-06-21 Ugo Gualmini Attrezzo ginnico-curativo
FR2632733B1 (fr) * 1988-06-13 1991-01-11 Asulab Sa Suiveur d'echo pour appareil de mesure par ultrasons de la position d'une paroi mobile

Also Published As

Publication number Publication date
DE69305619T2 (de) 1997-05-15
FR2700016B1 (fr) 1995-02-10
EP0604892B1 (de) 1996-10-23
FR2700016A1 (fr) 1994-07-01
US5455805A (en) 1995-10-03
JPH06225877A (ja) 1994-08-16
EP0604892A1 (de) 1994-07-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee