DE3850350D1 - Nulljustierungs- und Eichungsschaltung für Strom-Druckwandler. - Google Patents

Nulljustierungs- und Eichungsschaltung für Strom-Druckwandler.

Info

Publication number: DE3850350D1
Authority: DE; Germany
Prior art keywords: calibration circuit; pressure transducers; current pressure; zero adjustment; zero
Prior art date: 1987-11-12
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

DE3850350T

Other languages

English (en)

Other versions

DE3850350T2 (de

Inventor

Ferdinand Dombrowski

Dieter Forster

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.)

Fisher Controls International LLC

Original Assignee

Fisher Controls International LLC

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.)

1987-11-12

Filing date

1988-11-08

Publication date

1994-07-28

1988-11-08 Application filed by Fisher Controls International LLC filed Critical Fisher Controls International LLC

1994-07-28 Application granted granted Critical

1994-07-28 Publication of DE3850350D1 publication Critical patent/DE3850350D1/de

1995-01-12 Publication of DE3850350T2 publication Critical patent/DE3850350T2/de

2008-11-09 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means

DE3850350T 1987-11-12 1988-11-08 Nulljustierungs- und Eichungsschaltung für Strom-Druckwandler. Expired - Fee Related DE3850350T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/119,836 US4836011A (en)	1987-11-12	1987-11-12	Zero and span adjustment circuit for current/pressure transducer

Publications (2)

Publication Number	Publication Date
DE3850350D1 true DE3850350D1 (de)	1994-07-28
DE3850350T2 DE3850350T2 (de)	1995-01-12

Family

ID=22386677

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE3850350T Expired - Fee Related DE3850350T2 (de)	1987-11-12	1988-11-08	Nulljustierungs- und Eichungsschaltung für Strom-Druckwandler.

Country Status (8)

Country	Link
US (1)	US4836011A (de)
EP (1)	EP0316292B1 (de)
JP (1)	JP2649714B2 (de)
AU (1)	AU597195B2 (de)
BR (1)	BR8805914A (de)
CA (1)	CA1306043C (de)
DE (1)	DE3850350T2 (de)
FI (1)	FI93260C (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5105790A (en) *	1990-12-21	1992-04-21	Nye Jr Dudley D	Current controlled fluid bleed
US5105791A (en) *	1990-12-21	1992-04-21	Nye Jr Dudley D	Current to pressure/vacuum transducer
US5532925A (en) *	1994-08-12	1996-07-02	Fisher Controls International, Inc.	Current-to-pressure transducer with selectable, adjustable input filter
US5841359A (en) *	1995-01-31	1998-11-24	Datcon Instrument Company	Visual alarm gauge
US5665899A (en) *	1996-02-23	1997-09-09	Rosemount Inc.	Pressure sensor diagnostics in a process transmitter
US7003417B2 (en) *	2003-06-06	2006-02-21	Invensys Systems, Inc.	Multiple calibration ranges stored in a process transmitter
DE102006059938B3 (de) *	2006-12-19	2008-03-13	Abb Patent Gmbh	Verfahren zur Diagnose eines mit einer Hilfsenergie angetriebenen Stellorgans
US8069730B2 (en) *	2008-11-14	2011-12-06	Kulite Semiconductor Products, Inc.	Pressure transducer structures suitable for curved surfaces
US20170307460A1 (en) *	2016-04-25	2017-10-26	Pratt & Whitney Canada Corp.	Correction of pressure measurements in engines
CN112379246A (zh) *	2020-11-17	2021-02-19	西安卓越智动科技有限公司	基于可穿戴设备的薄膜型压力传感器接口电路调试方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US447780A (en) *		1891-03-10		Gar brake and starter
US2874354A (en) *	1954-10-15	1959-02-17	Panellit Inc	Calibrating circuit for current measuring systems
US3222599A (en) *	1961-01-17	1965-12-07	Solid States Systems Inc	Differential amplifier metering circuit with temperature compensation
US3408570A (en) *	1964-07-01	1968-10-29	Gen Electric	Wide scale indicator for weak current amplitudes within a predetermined range above a minimum amplitude
SE325955B (de) *	1967-10-26	1970-07-13	Saab Ab
US3617881A (en) *	1969-11-24	1971-11-02	Tektronix Inc	Dc voltage-testing and current-measuring circuit including differential amplifier
US3697871A (en) *	1970-03-19	1972-10-10	Leeds & Northrup Co	Single element adjustment for span and gain
JPS5035418B1 (de) *	1970-09-03	1975-11-15
US4037154A (en) *	1976-09-15	1977-07-19	The Perkin-Elmer Corporation	Circuit for calibrating instruments
PL196115A1 (pl) *	1977-02-18	1978-09-11	Przed Automatyki Przemyslowej	Sposob kompensacji wplywu temperatury w elektrycznych czujnikach wielkosci nieelektrycznych oraz uklad do stosowania sposobu
US4481967A (en) *	1979-11-15	1984-11-13	Rosemount Inc.	Control circuit for current to pressure converter
US4315211A (en) *	1980-03-03	1982-02-09	Leeds & Northrup Company	Preamplifier for voltage measuring instrument with non-interacting zero and span controls
US4332175A (en) *	1980-05-12	1982-06-01	Johnson & Johnson	Counterbalance loading device
US4447780A (en) *	1981-10-28	1984-05-08	The Babcock & Wilcox Company	Linearizing circuit and method of calibrating same
US4465075A (en) *	1982-03-29	1984-08-14	Motorola, Inc.	On-chip pressure transducer and temperature compensation circuit therefor
US4630631A (en) *	1983-02-24	1986-12-23	The Babcock & Wilcox Company	Pneumatic servo assembly for an electro-pneumatic converter
US4527583A (en) *	1983-07-12	1985-07-09	Dresser Industries, Inc.	Electropneumatic transducer system
US4569221A (en) *	1983-10-24	1986-02-11	Snook Jr August M	Portable electro-pneumatic calibrator
US4705067A (en) *	1986-05-13	1987-11-10	Coffee Curtis L	Electric-to-pressure transducer
US4665938A (en) *	1986-09-30	1987-05-19	Rosemount Inc.	Frequency feedback on a current loop of a current-to-pressure converter

1987
- 1987-11-12 US US07/119,836 patent/US4836011A/en not_active Expired - Lifetime
1988
- 1988-11-08 EP EP88870165A patent/EP0316292B1/de not_active Expired - Lifetime
- 1988-11-08 DE DE3850350T patent/DE3850350T2/de not_active Expired - Fee Related
- 1988-11-09 JP JP63281497A patent/JP2649714B2/ja not_active Expired - Lifetime
- 1988-11-10 CA CA000582874A patent/CA1306043C/en not_active Expired - Lifetime
- 1988-11-11 BR BR888805914A patent/BR8805914A/pt not_active IP Right Cessation
- 1988-11-11 AU AU25022/88A patent/AU597195B2/en not_active Ceased
- 1988-11-11 FI FI885220A patent/FI93260C/fi not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0316292A2 (de)	1989-05-17
DE3850350T2 (de)	1995-01-12
FI93260C (fi)	1995-03-10
EP0316292A3 (en)	1990-08-16
CA1306043C (en)	1992-08-04
JPH01162112A (ja)	1989-06-26
FI885220A (fi)	1989-05-13
FI885220A0 (fi)	1988-11-11
BR8805914A (pt)	1989-08-01
FI93260B (fi)	1994-11-30
AU2502288A (en)	1989-05-18
AU597195B2 (en)	1990-05-24
JP2649714B2 (ja)	1997-09-03
EP0316292B1 (de)	1994-06-22
US4836011A (en)	1989-06-06

Legal Events

Date	Code	Title	Description
1995-07-20	8364	No opposition during term of opposition
2001-01-11	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE69209416D1 (de)	1996-05-02	Verstärkerschaltung für Druckwandler
DE69017536T2 (de)	1995-07-13	Verstärkungsschaltkreis mit Temperaturausgleich für Halbleiterdruckwandler.
DE3852538T2 (de)	1995-05-04	Elektroakustischer Wandler.
DE68912016T2 (de)	1994-11-17	Kompensierte Strommessungsschaltung.
DE68919383D1 (de)	1994-12-22	Verstärkerschaltung.
DE3784063T2 (de)	1993-07-15	Druckmessgeraet.
DE3579713D1 (de)	1990-10-25	Blutdruckmessgeraet.
DE3586238D1 (de)	1992-07-23	Druckmesssystem.
DE3854097D1 (de)	1995-08-10	Signalprozessor für und Hörgerät mit Spektrum-/Zeit-Transformation.
DE3863040D1 (de)	1991-07-04	Verstaerkerschaltung.
DE3581553D1 (de)	1991-03-07	Verstaerkerschaltung.
AU554062B2 (en)	1986-08-07	Decadic measuring circuit
NO163583C (no)	1990-06-20	Koplingsanordning for maaleinstrumenter.
DE3683022D1 (de)	1992-01-30	Gepufferte schaltung zur kompensierung des millerstromes.
DE3850350D1 (de)	1994-07-28	Nulljustierungs- und Eichungsschaltung für Strom-Druckwandler.
DE3476695D1 (en)	1989-03-16	Measuring transducer, in particular for medical applications
DE3880648D1 (de)	1993-06-03	Impedanzmessgeraet.
DE3585050D1 (de)	1992-02-13	Verstaerkerschaltung.
DE3851679D1 (de)	1994-11-03	Schaltung für Fehlererkennung und Fehlerkorrektur.
DE3875311D1 (de)	1992-11-19	Elektronisches waegeinstrument.
DE68921502T2 (de)	1995-08-17	Verstärkerschaltung.
DE3879240D1 (de)	1993-04-22	Vermessungsinstrument.
GB2181022B (en)	1989-05-10	An acoustic calibration device
DE69023704T2 (de)	1996-06-27	Verstärkerschaltung.
DE68919086D1 (de)	1994-12-01	Abtast-halte-verstärkerschaltung.