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GB2260416B - Resistance monitors - Google Patents

Resistance monitors

Info

Publication number
GB2260416B
GB2260416B GB9219952A GB9219952A GB2260416B GB 2260416 B GB2260416 B GB 2260416B GB 9219952 A GB9219952 A GB 9219952A GB 9219952 A GB9219952 A GB 9219952A GB 2260416 B GB2260416 B GB 2260416B
Authority
GB
United Kingdom
Prior art keywords
resistance monitors
monitors
resistance
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
GB9219952A
Other versions
GB2260416A (en
GB9219952D0 (en
Inventor
David Ian Blain
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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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 GB919121506A external-priority patent/GB9121506D0/en
Application filed by Smiths Group PLC filed Critical Smiths Group PLC
Priority to GB9219952A priority Critical patent/GB2260416B/en
Publication of GB9219952D0 publication Critical patent/GB9219952D0/en
Publication of GB2260416A publication Critical patent/GB2260416A/en
Application granted granted Critical
Publication of GB2260416B publication Critical patent/GB2260416B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/14—Measuring resistance by measuring current or voltage obtained from a reference source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
GB9219952A 1991-10-10 1992-09-21 Resistance monitors Expired - Fee Related GB2260416B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9219952A GB2260416B (en) 1991-10-10 1992-09-21 Resistance monitors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919121506A GB9121506D0 (en) 1991-10-10 1991-10-10 Resistance monitors
GB9219952A GB2260416B (en) 1991-10-10 1992-09-21 Resistance monitors

Publications (3)

Publication Number Publication Date
GB9219952D0 GB9219952D0 (en) 1992-11-04
GB2260416A GB2260416A (en) 1993-04-14
GB2260416B true GB2260416B (en) 1995-07-26

Family

ID=26299668

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9219952A Expired - Fee Related GB2260416B (en) 1991-10-10 1992-09-21 Resistance monitors

Country Status (1)

Country Link
GB (1) GB2260416B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8099250B2 (en) 2005-08-02 2012-01-17 Impedimed Limited Impedance parameter values
US8487686B2 (en) 2007-03-30 2013-07-16 Impedimed Limited Active guarding for reduction of resistive and capacitive signal loading with adjustable control of compensation level
US8548580B2 (en) 2005-07-01 2013-10-01 Impedimed Limited Monitoring system
US8594781B2 (en) 2007-01-15 2013-11-26 Impedimed Limited Monitoring system
US8744564B2 (en) 2004-06-18 2014-06-03 Impedimed Limited Oedema detection
US8836345B2 (en) 2007-11-05 2014-09-16 Impedimed Limited Impedance determination
US9392947B2 (en) 2008-02-15 2016-07-19 Impedimed Limited Blood flow assessment of venous insufficiency
US9585593B2 (en) 2009-11-18 2017-03-07 Chung Shing Fan Signal distribution for patient-electrode measurements

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481200A (en) * 1993-09-15 1996-01-02 Rosemont Inc. Field transmitter built-in test equipment
DE4424240C2 (en) * 1993-12-10 1995-11-02 Telefunken Microelectron Circuit arrangement with a display instrument
AUPQ113799A0 (en) 1999-06-22 1999-07-15 University Of Queensland, The A method and device for measuring lymphoedema
CA2450971A1 (en) * 2002-11-27 2004-05-27 Z-Tech (Canada) Inc. Apparatus and method for determining adequacy of electrode-to-skin contact and electrode quality for bioelectrical measurements
US7018800B2 (en) 2003-08-07 2006-03-28 Rosemount Inc. Process device with quiescent current diagnostics
DE10345462B4 (en) * 2003-09-30 2012-12-06 Infineon Technologies Ag Arrangement and method for determining the ohmic resistance of an element
DE102004011549A1 (en) * 2004-03-08 2005-09-29 Siemens Ag Method and switching measuring circuit for measuring an unknown electrical resistance in the presence of an unknown fixed interference voltage or an unknown fixed interference current
CA2528303A1 (en) 2004-11-26 2006-05-26 Z-Tech (Canada) Inc. Weighted gradient method and system for diagnosing disease
CA2609111C (en) 2005-07-01 2016-10-18 Scott Chetham A method and apparatus for performing impedance measurements in accordance with determining an electrode arrangement using a displayed representation
JP5208749B2 (en) 2005-10-11 2013-06-12 インペダイムド・リミテッド Hydration status monitoring
ES2545730T3 (en) 2006-05-30 2015-09-15 Impedimed Limited Impedance measurements
CA2670293C (en) 2006-11-30 2017-01-03 Impedimed Limited Measurement apparatus
ES2473278T3 (en) 2007-04-20 2014-07-04 Impedimed Limited Probe and monitoring system
CA2744484A1 (en) 2008-11-28 2010-06-03 Impedimed Limited Impedance measurement process
US9182256B2 (en) 2009-07-09 2015-11-10 Rosemount Inc. Process variable transmitter with two-wire process control loop diagnostics
JP5643829B2 (en) 2009-10-26 2014-12-17 インぺディメッド リミテッドＩｍｐｅｄｉｍｅｄ Ｌｉｍｉｔｅｄ Method and apparatus for use in impedance measurement analysis
US10367612B2 (en) 2015-09-30 2019-07-30 Rosemount Inc. Process variable transmitter with self-learning loop diagnostics
CN106370962B (en) * 2016-08-18 2019-06-04 上海机电工程研究所 Case bullet priming system continuity test equipment and its test method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1596498A (en) * 1977-10-28 1981-08-26 Plessey Co Ltd Resistance measuring circuits
GB2157837A (en) * 1984-04-16 1985-10-30 Mars Inc Circuit testing apparatus
GB2196131A (en) * 1986-10-03 1988-04-20 Endress Hauser Gmbh Co Arrangement for processing the output signals of a resistance bridge

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1596498A (en) * 1977-10-28 1981-08-26 Plessey Co Ltd Resistance measuring circuits
GB2157837A (en) * 1984-04-16 1985-10-30 Mars Inc Circuit testing apparatus
GB2196131A (en) * 1986-10-03 1988-04-20 Endress Hauser Gmbh Co Arrangement for processing the output signals of a resistance bridge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GOLDING "ELECTRICAL MEASUREMENTS AND MEASURING INSTRUMENTS" published, 1970 PITMAN see pages 287,298 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8744564B2 (en) 2004-06-18 2014-06-03 Impedimed Limited Oedema detection
US9149235B2 (en) 2004-06-18 2015-10-06 Impedimed Limited Oedema detection
US8548580B2 (en) 2005-07-01 2013-10-01 Impedimed Limited Monitoring system
US8099250B2 (en) 2005-08-02 2012-01-17 Impedimed Limited Impedance parameter values
US8594781B2 (en) 2007-01-15 2013-11-26 Impedimed Limited Monitoring system
US8487686B2 (en) 2007-03-30 2013-07-16 Impedimed Limited Active guarding for reduction of resistive and capacitive signal loading with adjustable control of compensation level
US8836345B2 (en) 2007-11-05 2014-09-16 Impedimed Limited Impedance determination
US9392947B2 (en) 2008-02-15 2016-07-19 Impedimed Limited Blood flow assessment of venous insufficiency
US9585593B2 (en) 2009-11-18 2017-03-07 Chung Shing Fan Signal distribution for patient-electrode measurements

Also Published As

Publication number Publication date
GB2260416A (en) 1993-04-14
GB9219952D0 (en) 1992-11-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000921