AU2003282646A1 - Isolation circuit - Google Patents

Isolation circuit

Info

Publication number
AU2003282646A1
AU2003282646A1 AU2003282646A AU2003282646A AU2003282646A1 AU 2003282646 A1 AU2003282646 A1 AU 2003282646A1 AU 2003282646 A AU2003282646 A AU 2003282646A AU 2003282646 A AU2003282646 A AU 2003282646A AU 2003282646 A1 AU2003282646 A1 AU 2003282646A1
Authority
AU
Australia
Prior art keywords
isolation circuit
isolation
circuit
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.)
Abandoned
Application number
AU2003282646A
Inventor
Valter Nilsson
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.)
Rosemount Tank Radar AB
Original Assignee
Saab Marine Electronics 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
Priority claimed from US10/301,825 external-priority patent/US6956382B2/en
Priority claimed from SE0203456A external-priority patent/SE0203456D0/en
Application filed by Saab Marine Electronics AB filed Critical Saab Marine Electronics AB
Publication of AU2003282646A1 publication Critical patent/AU2003282646A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264—Arrangements for coupling to transmission lines
    • H04L25/0266—Arrangements for providing Galvanic isolation, e.g. by means of magnetic or capacitive coupling

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
AU2003282646A 2002-11-22 2003-11-21 Isolation circuit Abandoned AU2003282646A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10/301,825 US6956382B2 (en) 2002-11-22 2002-11-22 Isolation circuit
SE0203456-9 2002-11-22
US10/301,825 2002-11-22
SE0203456A SE0203456D0 (en) 2002-11-22 2002-11-22 Isolation circuit
PCT/SE2003/001815 WO2004048905A1 (en) 2002-11-22 2003-11-21 Isolation circuit

Publications (1)

Publication Number Publication Date
AU2003282646A1 true AU2003282646A1 (en) 2004-06-18

Family

ID=32396410

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003282646A Abandoned AU2003282646A1 (en) 2002-11-22 2003-11-21 Isolation circuit

Country Status (2)

Country Link
AU (1) AU2003282646A1 (en)
WO (1) WO2004048905A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8711049B2 (en) 2005-08-04 2014-04-29 Vega Grieshaber Kg Potential separation for filling level radar
US7630844B2 (en) 2006-07-03 2009-12-08 Endress + Hauser Flowtec Ag Field device electronics fed by an external electrical energy supply
DE102006030962A1 (en) * 2006-07-03 2008-01-31 Endress + Hauser Flowtec Ag Field device electronics powered by an external electrical power supply
US7844410B2 (en) 2006-07-03 2010-11-30 Endress + Hauser Flowtec Ag Field device electronics fed by an external electrical energy supply
DE102006042806A1 (en) * 2006-09-08 2008-03-27 Endress + Hauser Flowtec Ag Opto-electronic device
DE102006062599B4 (en) 2006-12-29 2018-03-08 Endress + Hauser Gmbh + Co. Kg Opto-electronic device for transmitting an electrical signal and its use
DE102008045139A1 (en) 2008-09-01 2010-03-04 Endress + Hauser Flowtec Ag Opto-electronic device with a built-in safety device
CN102859852B (en) 2010-04-19 2015-11-25 恩德斯+豪斯流量技术股份有限公司 The drive circuit of measurement translator and the measuring system formed by this drive circuit
DE202010006553U1 (en) 2010-05-06 2011-10-05 Endress + Hauser Flowtec Ag Electronic measuring device with an optocoupler
DE102016114860A1 (en) 2016-08-10 2018-02-15 Endress + Hauser Flowtec Ag Driver circuit and thus formed converter electronics or thus formed measuring system
WO2020060694A1 (en) 2018-09-21 2020-03-26 Ecolab Usa Inc. Portable fluid level monitoring device and method
CN109724672B (en) * 2019-03-01 2021-02-02 北京锐达仪表有限公司 Transmitter of electromagnetic wave material level switch and electromagnetic wave material level switch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5672975A (en) * 1995-06-07 1997-09-30 Rosemount Inc. Two-wire level transmitter
DE19961157A1 (en) * 1999-12-17 2001-07-05 Grieshaber Vega Kg Method for operating a level measuring device and level measuring device
US6574515B1 (en) * 2000-05-12 2003-06-03 Rosemount Inc. Two-wire field-mounted process device
US6677891B2 (en) * 2001-01-19 2004-01-13 Vega Grieshaber Kg Method and device for transmitting and receiving electromagnetic waves
DE10206463A1 (en) * 2002-02-16 2003-09-11 Grieshaber Vega Kg Method for operating a level measuring device and level measuring device

Also Published As

Publication number Publication date
WO2004048905A1 (en) 2004-06-10

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase