GB2569641B - Current sensor for biomedical measurements - Google Patents

Current sensor for biomedical measurements Download PDF

Info

Publication number
GB2569641B
GB2569641B GB1721689.6A GB201721689A GB2569641B GB 2569641 B GB2569641 B GB 2569641B GB 201721689 A GB201721689 A GB 201721689A GB 2569641 B GB2569641 B GB 2569641B
Authority
GB
United Kingdom
Prior art keywords
current sensor
biomedical measurements
biomedical
measurements
sensor
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
GB1721689.6A
Other versions
GB2569641A (en
GB201721689D0 (en
Inventor
Yuan Juanping
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.)
Shenzhen Dansha Technology Co Ltd
Original Assignee
Shenzhen Dansha Technology Co Ltd
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 Shenzhen Dansha Technology Co Ltd filed Critical Shenzhen Dansha Technology Co Ltd
Priority to GB2004917.7A priority Critical patent/GB2583584B/en
Priority to GB1721689.6A priority patent/GB2569641B/en
Publication of GB201721689D0 publication Critical patent/GB201721689D0/en
Publication of GB2569641A publication Critical patent/GB2569641A/en
Application granted granted Critical
Publication of GB2569641B publication Critical patent/GB2569641B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/2415—Measuring direct current [DC] or slowly varying biopotentials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30—Input circuits therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/08—Circuits for altering the measuring range
    • G01R15/09—Autoranging circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/146—Measuring arrangements for current not covered by other subgroups of G01R15/14, e.g. using current dividers, shunts, or measuring a voltage drop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0023—Measuring currents or voltages from sources with high internal resistance by means of measuring circuits with high input impedance, e.g. OP-amplifiers

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Signal Processing (AREA)
  • Physiology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Psychiatry (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB1721689.6A 2017-12-22 2017-12-22 Current sensor for biomedical measurements Expired - Fee Related GB2569641B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2004917.7A GB2583584B (en) 2017-12-22 2017-12-22 Current sensor for biomedical measurements
GB1721689.6A GB2569641B (en) 2017-12-22 2017-12-22 Current sensor for biomedical measurements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1721689.6A GB2569641B (en) 2017-12-22 2017-12-22 Current sensor for biomedical measurements

Publications (3)

Publication Number Publication Date
GB201721689D0 GB201721689D0 (en) 2018-02-07
GB2569641A GB2569641A (en) 2019-06-26
GB2569641B true GB2569641B (en) 2020-09-09

Family

ID=61131515

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1721689.6A Expired - Fee Related GB2569641B (en) 2017-12-22 2017-12-22 Current sensor for biomedical measurements

Country Status (1)

Country Link
GB (1) GB2569641B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7102365B1 (en) * 2005-04-01 2006-09-05 Freescale Semiconductor, Inc. Apparatus for current sensing
WO2009060361A2 (en) * 2007-11-05 2009-05-14 Koninklijke Philips Electronics N.V. Current integrator with wide dynamic range
CN102435864A (en) * 2011-11-22 2012-05-02 常熟市董浜镇华进电器厂 Current sensor capacitance measurement circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7102365B1 (en) * 2005-04-01 2006-09-05 Freescale Semiconductor, Inc. Apparatus for current sensing
WO2009060361A2 (en) * 2007-11-05 2009-05-14 Koninklijke Philips Electronics N.V. Current integrator with wide dynamic range
CN102435864A (en) * 2011-11-22 2012-05-02 常熟市董浜镇华进电器厂 Current sensor capacitance measurement circuit

Also Published As

Publication number Publication date
GB2569641A (en) 2019-06-26
GB201721689D0 (en) 2018-02-07

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20200319 AND 20200325

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20211222