DK139085C - - Google Patents
Info
- Publication number
- DK139085C DK139085C DK170877A DK170877A DK139085C DK 139085 C DK139085 C DK 139085C DK 170877 A DK170877 A DK 170877A DK 170877 A DK170877 A DK 170877A DK 139085 C DK139085 C DK 139085C
- Authority
- DK
- Denmark
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)
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 |
| GB15405/78A GB1597212A (en) | 1977-04-19 | 1978-04-19 | Accelerometer |
| JP4642478A JPS5442185A (en) | 1977-04-19 | 1978-04-19 | Lighttweight 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 DK170877A (US07223432-20070529-C00017.png) | 1978-10-20 |
| DK139085B DK139085B (da) | 1978-12-11 |
| DK139085C true DK139085C (US07223432-20070529-C00017.png) | 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)
Families Citing this family (22)
| 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 |
| EP0336224B1 (de) * | 1988-04-05 | 1992-07-08 | Siemens Aktiengesellschaft | Aufnehmer und Verfahren zur Schallemissionsprüfung |
| 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 |
| DE19964592B4 (de) * | 1999-04-16 | 2011-06-01 | Prüftechnik Dieter Busch AG | Schwingungsmeßgerät |
| 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 |
| US8991254B2 (en) | 2010-01-04 | 2015-03-31 | Peugeot Citroën Automobiles SA | Listening clamp for a vibroacoustic diagnosis tool used mainly in the automotive industry |
| 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 |
| US11109831B2 (en) | 2018-07-17 | 2021-09-07 | 1929803 Ontario Corp, (o/a FloSonics Medical) | Ultrasound patch for detecting fluid flow |
| US11937976B2 (en) | 2020-07-06 | 2024-03-26 | 1929803 Ontario Corp | Ultrasound patch with integrated flexible transducer assembly |
Family Cites Families (8)
| 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 |
-
1977
- 1977-04-19 DK DK170877AA patent/DK139085B/da not_active IP Right Cessation
-
1978
- 1978-04-13 DE DE2815933A patent/DE2815933C2/de not_active Expired
- 1978-04-14 US US05/896,185 patent/US4189655A/en not_active Expired - Lifetime
- 1978-04-18 FR FR7811368A patent/FR2388259A1/fr active Granted
- 1978-04-19 GB GB15405/78A patent/GB1597212A/en not_active Expired
- 1978-04-19 JP JP4642478A patent/JPS5442185A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2815933A1 (de) | 1978-10-26 |
| DE2815933C2 (de) | 1983-02-24 |
| FR2388259A1 (fr) | 1978-11-17 |
| US4189655A (en) | 1980-02-19 |
| DK139085B (da) | 1978-12-11 |
| DK170877A (US07223432-20070529-C00017.png) | 1978-10-20 |
| FR2388259B3 (US07223432-20070529-C00017.png) | 1980-12-19 |
| GB1597212A (en) | 1981-09-03 |
| JPS5442185A (en) | 1979-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Patent granted (law 1993) | ||
| PBP | Patent lapsed |