DE3883995T2 - Drucksensor. - Google Patents

Drucksensor.

Info

Publication number
DE3883995T2
DE3883995T2 DE88901955T DE3883995T DE3883995T2 DE 3883995 T2 DE3883995 T2 DE 3883995T2 DE 88901955 T DE88901955 T DE 88901955T DE 3883995 T DE3883995 T DE 3883995T DE 3883995 T2 DE3883995 T2 DE 3883995T2
Authority
DE
Germany
Prior art keywords
pressure sensor
sensor
pressure
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
DE88901955T
Other languages
English (en)
Other versions
DE3883995D1 (de
Inventor
Staffan Jonsson
Ray Olsson
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.)
Ccm-Instruments Hammarland Se AB
Original Assignee
Jonsson & Billquist Development Stockholm Se AB
Hydrolab AB
Jonsson & Billquist Dev Sto AB
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 Jonsson & Billquist Development Stockholm Se AB, Hydrolab AB, Jonsson & Billquist Dev Sto AB filed Critical Jonsson & Billquist Development Stockholm Se AB
Application granted granted Critical
Publication of DE3883995D1 publication Critical patent/DE3883995D1/de
Publication of DE3883995T2 publication Critical patent/DE3883995T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • G01L9/0075—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a ceramic diaphragm, e.g. alumina, fused quartz, glass
DE88901955T 1987-02-12 1988-02-11 Drucksensor. Expired - Fee Related DE3883995T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8700556A SE459887B (sv) 1987-02-12 1987-02-12 Tryckgivare
PCT/SE1988/000049 WO1988006281A1 (en) 1987-02-12 1988-02-11 Pressure sensor

Publications (2)

Publication Number Publication Date
DE3883995D1 DE3883995D1 (de) 1993-10-14
DE3883995T2 true DE3883995T2 (de) 1994-03-24

Family

ID=20367493

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88901955T Expired - Fee Related DE3883995T2 (de) 1987-02-12 1988-02-11 Drucksensor.

Country Status (6)

Country Link
US (1) US4935841A (de)
EP (1) EP0409827B1 (de)
JP (1) JP2559266B2 (de)
DE (1) DE3883995T2 (de)
SE (1) SE459887B (de)
WO (1) WO1988006281A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018101332A1 (de) * 2018-01-22 2019-07-25 Conbee Gmbh Getränkeuntersetzer, System mit einem Getränkeuntersetzer sowie Verfahren zur Datenkommunikation in einem System mit einem Getränkeuntersetzer
US11692077B2 (en) 2018-08-15 2023-07-04 Chemische Fabrik Budenheim Kg Polymer composition containing a phosphonate flame retardant

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE461300B (sv) * 1988-05-17 1990-01-29 Hydrolab Ab Tryckmaetare
US5050034A (en) * 1990-01-22 1991-09-17 Endress U. Hauser Gmbh U. Co. Pressure sensor and method of manufacturing same
DE4136995C2 (de) * 1991-11-11 1996-08-08 Sensycon Ind Sensorsyst Kapazitiver Drucksensor
DE69316536T2 (de) * 1992-11-06 1998-06-04 Texas Instruments Inc Verfahren zur Herstellung eines kapazitiven Druckwandlers
SE506558C2 (sv) * 1994-04-14 1998-01-12 Cecap Ab Givarelement för tryckgivare
DE19509250C1 (de) * 1995-03-15 1996-09-12 Bosch Gmbh Robert Verfahren zur Herstellung eines Drucksensors
US5965821A (en) * 1997-07-03 1999-10-12 Mks Instruments, Inc. Pressure sensor
US20040099061A1 (en) * 1997-12-22 2004-05-27 Mks Instruments Pressure sensor for detecting small pressure differences and low pressures
FR2818676B1 (fr) * 2000-12-27 2003-03-07 Freyssinet Int Stup Procede de demontage d'un cable de precontrainte et dispositif pour la mise en oeuvre
WO2004016168A1 (en) * 2002-08-19 2004-02-26 Czarnek & Orkin Laboratories, Inc. Capacitive uterine contraction sensor
US6993973B2 (en) * 2003-05-16 2006-02-07 Mks Instruments, Inc. Contaminant deposition control baffle for a capacitive pressure transducer
US7201057B2 (en) * 2004-09-30 2007-04-10 Mks Instruments, Inc. High-temperature reduced size manometer
US7137301B2 (en) * 2004-10-07 2006-11-21 Mks Instruments, Inc. Method and apparatus for forming a reference pressure within a chamber of a capacitance sensor
US7141447B2 (en) * 2004-10-07 2006-11-28 Mks Instruments, Inc. Method of forming a seal between a housing and a diaphragm of a capacitance sensor
US7204150B2 (en) 2005-01-14 2007-04-17 Mks Instruments, Inc. Turbo sump for use with capacitive pressure sensor
FI125447B (en) * 2013-06-04 2015-10-15 Murata Manufacturing Co Improved pressure sensor
TWI550261B (zh) * 2014-03-17 2016-09-21 立錡科技股份有限公司 微機電壓力計以及其製作方法
CN104316227B (zh) * 2014-11-05 2016-07-13 中国人民解放军总参谋部工程兵科研三所 一种双面感压式土压力传感器
US20220020253A1 (en) * 2020-07-15 2022-01-20 Palo Alto Research Center Incorporated Systems and methods for improved object placement sensing for point-of-purchase sales

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415948A (en) * 1981-10-13 1983-11-15 United Technologies Corporation Electrostatic bonded, silicon capacitive pressure transducer
US4422125A (en) * 1982-05-21 1983-12-20 The Bendix Corporation Pressure transducer with an invariable reference capacitor
DE3404262A1 (de) * 1983-03-09 1984-09-13 Fuji Electric Co., Ltd., Kawasaki Kapazitiver messfuehler
US4562742A (en) * 1984-08-07 1986-01-07 Bell Microcomponents, Inc. Capacitive pressure transducer
FI75426C (fi) * 1984-10-11 1988-06-09 Vaisala Oy Absoluttryckgivare.
US4586109A (en) * 1985-04-01 1986-04-29 Bourns Instruments, Inc. Batch-process silicon capacitive pressure sensor
FI78784C (fi) * 1988-01-18 1989-09-11 Vaisala Oy Tryckgivarkonstruktion och foerfarande foer framstaellning daerav.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018101332A1 (de) * 2018-01-22 2019-07-25 Conbee Gmbh Getränkeuntersetzer, System mit einem Getränkeuntersetzer sowie Verfahren zur Datenkommunikation in einem System mit einem Getränkeuntersetzer
US11692077B2 (en) 2018-08-15 2023-07-04 Chemische Fabrik Budenheim Kg Polymer composition containing a phosphonate flame retardant

Also Published As

Publication number Publication date
SE8700556L (sv) 1988-08-13
EP0409827A1 (de) 1991-01-30
SE8700556D0 (sv) 1987-02-12
SE459887B (sv) 1989-08-14
DE3883995D1 (de) 1993-10-14
JP2559266B2 (ja) 1996-12-04
US4935841A (en) 1990-06-19
EP0409827B1 (de) 1993-09-08
WO1988006281A1 (en) 1988-08-25
JPH02502218A (ja) 1990-07-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CCM-INSTRUMENTS AB, HAMMARLAND, SE

8339 Ceased/non-payment of the annual fee