DK170877A - - Google Patents

Info

Publication number
DK170877A
DK170877A DK170877A DK170877A DK170877A DK 170877 A DK170877 A DK 170877A DK 170877 A DK170877 A DK 170877A DK 170877 A DK170877 A DK 170877A DK 170877 A DK170877 A DK 170877A
Authority
DK
Denmark
Application number
DK170877A
Other languages
Danish (da)
Other versions
DK139085B (da
DK139085C (en:Method
Inventor
P V Brueel
Original Assignee
Brueel & Kjaer A/S
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 Brueel & Kjaer A/S filed Critical Brueel & Kjaer A/S
Priority to DK170877AA priority Critical patent/DK139085B/da
Priority to DE2815933A priority patent/DE2815933C2/de
Priority to US05/896,185 priority patent/US4189655A/en
Priority to FR7811368A priority patent/FR2388259A1/fr
Priority to JP4642478A priority patent/JPS5442185A/ja
Priority to GB15405/78A priority patent/GB1597212A/en
Publication of DK170877A publication Critical patent/DK170877A/da
Publication of DK139085B publication Critical patent/DK139085B/da
Application granted granted Critical
Publication of DK139085C publication Critical patent/DK139085C/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0651—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element of circular shape
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DK170877AA 1977-04-19 1977-04-19 Accelerometer. DK139085B (da)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DK170877AA DK139085B (da) 1977-04-19 1977-04-19 Accelerometer.
DE2815933A DE2815933C2 (de) 1977-04-19 1978-04-13 Schwingungsmeßkopf
US05/896,185 US4189655A (en) 1977-04-19 1978-04-14 Lightweight piezoelectric accelerometer
FR7811368A FR2388259A1 (fr) 1977-04-19 1978-04-18 Detecteur de vibrations
JP4642478A JPS5442185A (en) 1977-04-19 1978-04-19 Lighttweight accelerometer
GB15405/78A GB1597212A (en) 1977-04-19 1978-04-19 Accelerometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK170877AA DK139085B (da) 1977-04-19 1977-04-19 Accelerometer.

Publications (3)

Publication Number Publication Date
DK170877A true DK170877A (en:Method) 1978-10-20
DK139085B DK139085B (da) 1978-12-11
DK139085C DK139085C (en:Method) 1979-05-21

Family

ID=8107400

Family Applications (1)

Application Number Title Priority Date Filing Date
DK170877AA DK139085B (da) 1977-04-19 1977-04-19 Accelerometer.

Country Status (6)

Country Link
US (1) US4189655A (en:Method)
JP (1) JPS5442185A (en:Method)
DE (1) DE2815933C2 (en:Method)
DK (1) DK139085B (en:Method)
FR (1) FR2388259A1 (en:Method)
GB (1) GB1597212A (en:Method)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172468B (en) * 1985-03-11 1988-11-16 United Technologies Corp Broadband acoustic point-contact transducer
GB2172469A (en) * 1985-03-11 1986-09-17 United Technologies Corp Environmental shield for broadband acoustic point-contact transducer
JPH0715485B2 (ja) * 1987-05-21 1995-02-22 日産自動車株式会社 圧電型力学量センサ
DE58901793D1 (de) * 1988-04-05 1992-08-13 Siemens Ag Aufnehmer und verfahren zur schallemissionspruefung.
US4922754A (en) * 1989-03-17 1990-05-08 Kennametal Inc. Acoustic emission transducer and mounting adapter for monitoring metalcutting tools
DE4207910C2 (de) * 1992-03-12 1994-06-01 Siemens Ag Resonanzvermindernde Ummantelung für einen Körperschallsensor
CH689125A5 (de) * 1993-09-02 1998-10-15 Kk Holding Ag Schallemissionsaufnehmer.
JP3158809B2 (ja) * 1993-09-28 2001-04-23 株式会社村田製作所 超音波センサ
US5736631A (en) * 1996-03-11 1998-04-07 Turf Diagnostics & Design, Inc. Turf impact analysis system
DE19621213C2 (de) * 1996-05-25 1998-04-09 Imt Ind Mestechnik Gmbh & Co K Vorrichtung mit einer Aufnahme für einen mit einer Tastspitze und einer Führungshülse verbindbaren Sensor
US6940405B2 (en) * 1996-05-30 2005-09-06 Guardit Technologies Llc Portable motion detector and alarm system and method
US7113091B2 (en) * 1996-05-30 2006-09-26 Script Michael H Portable motion detector and alarm system and method
US6038924A (en) * 1997-12-22 2000-03-21 Research Foundation Of State Of New York Low frequency seismic accelerometer
US6715363B1 (en) 1998-02-20 2004-04-06 Wilcoxon Research, Inc. Method and apparatus for strain amplification for piezoelectric transducers
DE19917372B4 (de) * 1999-04-16 2009-01-02 Prüftechnik Dieter Busch AG Meßgerät zum Erfassen der Temperatur und der Schwingungen einer Oberfläche
US6619123B2 (en) * 2001-06-04 2003-09-16 Wisconsin Alumni Research Foundation Micromachined shock sensor
US8217790B2 (en) * 2009-05-26 2012-07-10 Script Michael H Portable motion detector and alarm system and method
CN102918375B (zh) 2010-01-04 2016-02-10 标致·雪铁龙汽车公司 主要在汽车工业中使用的振动声学诊断工具的听音钳
CA3005790C (en) 2015-12-10 2023-10-10 1929803 Ontario Corp. D/B/A Ke2 Technologies Systems and methods for automated fluid response measurement
US10987085B2 (en) 2015-12-10 2021-04-27 1929803 Ontario Corp Systems and methods for automated fluid response measurement
CN112399865B (zh) 2018-03-09 2022-09-27 1929803安大略Dba 弗洛索尼克斯医疗公司 动态可控的患者流体控制装置
US11109831B2 (en) 2018-07-17 2021-09-07 1929803 Ontario Corp, (o/a FloSonics Medical) Ultrasound patch for detecting fluid flow
WO2022008970A1 (en) 2020-07-06 2022-01-13 1929803 Ontario Corp. D/B/A Flosonics Medical Ultrasound patch with integrated flexible transducer assembly

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2386279A (en) * 1942-07-21 1945-10-09 Raymond W Tibbetts Piezoelectric device
US3252016A (en) * 1962-09-11 1966-05-17 Gulton Ind Inc Electro-mechanical transducer
US3311761A (en) * 1963-12-26 1967-03-28 Schloss Fred Transducer mounting
GB1126032A (en) * 1965-11-29 1968-09-05 Ass Elect Ind Improvements in or relating to dynamic strain transducers
US3631271A (en) * 1969-11-27 1971-12-28 Tatsuji Shimada Burglar alarm switch
US3893342A (en) * 1973-05-21 1975-07-08 Mark Products Accelerometer
US3911388A (en) * 1973-09-21 1975-10-07 Houston Products And Services Accelerometer
US4030396A (en) * 1975-10-17 1977-06-21 Mariner Ralph E Acoustic pickups

Also Published As

Publication number Publication date
GB1597212A (en) 1981-09-03
FR2388259B3 (en:Method) 1980-12-19
DK139085B (da) 1978-12-11
FR2388259A1 (fr) 1978-11-17
DE2815933C2 (de) 1983-02-24
US4189655A (en) 1980-02-19
JPS5442185A (en) 1979-04-03
DK139085C (en:Method) 1979-05-21
DE2815933A1 (de) 1978-10-26

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed