FR2466750B1 - Appareil de mesure de distance - Google Patents
Appareil de mesure de distanceInfo
- Publication number
- FR2466750B1 FR2466750B1 FR8020860A FR8020860A FR2466750B1 FR 2466750 B1 FR2466750 B1 FR 2466750B1 FR 8020860 A FR8020860 A FR 8020860A FR 8020860 A FR8020860 A FR 8020860A FR 2466750 B1 FR2466750 B1 FR 2466750B1
- Authority
- FR
- France
- Prior art keywords
- measuring apparatus
- distance measuring
- distance
- measuring
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
- G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/48—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using wave or particle radiation means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
- G01L11/04—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by acoustic means
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES505843A ES505843A0 (es) | 1980-09-29 | 1981-09-28 | Un procedimiento para la preparacioan de nuevos derivados de benzoxazolinona. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/081,692 US4244226A (en) | 1979-10-04 | 1979-10-04 | Distance measuring apparatus and a differential pressure transmitter utilizing the same |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2466750A1 FR2466750A1 (fr) | 1981-04-10 |
FR2466750B1 true FR2466750B1 (fr) | 1986-06-13 |
Family
ID=22165767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8020860A Expired FR2466750B1 (fr) | 1979-10-04 | 1980-09-29 | Appareil de mesure de distance |
Country Status (6)
Country | Link |
---|---|
US (1) | US4244226A (fr) |
JP (1) | JPS5689011A (fr) |
CA (1) | CA1143045A (fr) |
DE (1) | DE3037412A1 (fr) |
FR (1) | FR2466750B1 (fr) |
GB (1) | GB2059589B (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8407659U1 (de) * | 1984-03-09 | 1985-03-14 | Siemens AG, 1000 Berlin und 8000 München | Druck- oder druckdifferenzmessgeraet |
US4964302A (en) * | 1984-09-25 | 1990-10-23 | Grahn Allen R | Tactile sensor |
JPS61107126A (ja) * | 1984-10-30 | 1986-05-26 | Nippon Sanso Kk | 真空パツク式断熱材の真空度測定装置 |
US4945768A (en) * | 1988-05-20 | 1990-08-07 | Parker Electronics, Inc. | Pressure sensor |
US5247937A (en) * | 1989-11-17 | 1993-09-28 | Board Of Regents, The University Of Texas System | Transaxial compression technique for sound velocity estimation |
US5293870A (en) * | 1989-11-17 | 1994-03-15 | Board Of Regents The University Of Texas System | Method and apparatus for elastographic measurement and imaging |
US5143070A (en) * | 1989-11-17 | 1992-09-01 | The University Of Texas Systems Board Of Regents | Transaxial compression technique for sound velocity estimation |
US5385048A (en) * | 1990-10-14 | 1995-01-31 | Vdo Adolf Schindling Ag | Acceleration sensor |
US5214955A (en) * | 1991-08-26 | 1993-06-01 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Constant frequency pulsed phase-locked loop measuring device |
AU4110596A (en) * | 1994-11-30 | 1996-06-19 | Rosemount Inc. | Pressure transmitter with fill fluid loss detection |
US5596147A (en) * | 1995-11-17 | 1997-01-21 | Wilda; Douglas W. | Coplanar pressure sensor mounting for remote sensor |
DE10150691A1 (de) * | 2001-10-17 | 2003-04-30 | Endress & Hauser Gmbh & Co Kg | Druckmeßaufnehmer mit Trennmembran und Temperaturkompensation |
US7334484B2 (en) * | 2005-05-27 | 2008-02-26 | Rosemount Inc. | Line pressure measurement using differential pressure sensor |
US7379792B2 (en) * | 2005-09-29 | 2008-05-27 | Rosemount Inc. | Pressure transmitter with acoustic pressure sensor |
US7415886B2 (en) * | 2005-12-20 | 2008-08-26 | Rosemount Inc. | Pressure sensor with deflectable diaphragm |
US7870791B2 (en) | 2008-12-03 | 2011-01-18 | Rosemount Inc. | Method and apparatus for pressure measurement using quartz crystal |
US8327713B2 (en) | 2008-12-03 | 2012-12-11 | Rosemount Inc. | Method and apparatus for pressure measurement using magnetic property |
US7954383B2 (en) * | 2008-12-03 | 2011-06-07 | Rosemount Inc. | Method and apparatus for pressure measurement using fill tube |
DE102008054913A1 (de) * | 2008-12-18 | 2010-06-24 | Endress + Hauser Gmbh + Co. Kg | Messvorrichtung zum Bestimmen eines Differenzdrucks |
US8429978B2 (en) | 2010-03-30 | 2013-04-30 | Rosemount Inc. | Resonant frequency based pressure sensor |
US8234927B2 (en) | 2010-06-08 | 2012-08-07 | Rosemount Inc. | Differential pressure sensor with line pressure measurement |
US8132464B2 (en) | 2010-07-12 | 2012-03-13 | Rosemount Inc. | Differential pressure transmitter with complimentary dual absolute pressure sensors |
US8752433B2 (en) | 2012-06-19 | 2014-06-17 | Rosemount Inc. | Differential pressure transmitter with pressure sensor |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB672693A (en) * | 1948-02-13 | 1952-05-28 | Georges Henri Dion | Improvements in or relating to measuring instruments for physical quantities |
US2826912A (en) * | 1948-12-27 | 1958-03-18 | Kritz Jack | Acoustic velocity measuring system |
US3008332A (en) * | 1958-02-01 | 1961-11-14 | Rochar Electronique | Supersonic pressure gauge |
US3087140A (en) * | 1960-06-20 | 1963-04-23 | Gen Railway Signal Co | Ultrasonic vehicle detection system |
US3140612A (en) * | 1961-09-08 | 1964-07-14 | Electro Sonic Systems Inc | Ultrasonic sensor device |
US3212338A (en) * | 1962-03-29 | 1965-10-19 | James B O'maley | Digital manometer |
US3869915A (en) * | 1973-01-23 | 1975-03-11 | Joseph Baumoel | Digital flowmeter |
US3987674A (en) * | 1975-01-03 | 1976-10-26 | Joseph Baumoel | Transducer structure and support for fluid measuring device |
US4024760A (en) * | 1975-07-25 | 1977-05-24 | Westinghouse Electric Corporation | Fluid flow measurement apparatus |
DE2607187C3 (de) * | 1976-02-23 | 1986-07-10 | Krautkrämer GmbH, 5000 Köln | Verfahren zur Messung des zeitlichen Impulsabstandes von zwei elektrischen Impulsen |
PL207386A1 (fr) * | 1978-06-06 | 1980-03-10 | Przedsieb Wdrazania Upowszech |
-
1979
- 1979-10-04 US US06/081,692 patent/US4244226A/en not_active Expired - Lifetime
-
1980
- 1980-09-25 GB GB8031047A patent/GB2059589B/en not_active Expired
- 1980-09-29 FR FR8020860A patent/FR2466750B1/fr not_active Expired
- 1980-10-03 JP JP13923380A patent/JPS5689011A/ja active Pending
- 1980-10-03 CA CA000361529A patent/CA1143045A/fr not_active Expired
- 1980-10-03 DE DE19803037412 patent/DE3037412A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2059589B (en) | 1984-03-14 |
GB2059589A (en) | 1981-04-23 |
FR2466750A1 (fr) | 1981-04-10 |
DE3037412A1 (de) | 1981-04-30 |
US4244226A (en) | 1981-01-13 |
JPS5689011A (en) | 1981-07-20 |
CA1143045A (fr) | 1983-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |