SE395772B - DEVICE FOR PROCESSING METSIGNALS - Google Patents

DEVICE FOR PROCESSING METSIGNALS

Info

Publication number
SE395772B
SE395772B SE7312702A SE7312702A SE395772B SE 395772 B SE395772 B SE 395772B SE 7312702 A SE7312702 A SE 7312702A SE 7312702 A SE7312702 A SE 7312702A SE 395772 B SE395772 B SE 395772B
Authority
SE
Sweden
Prior art keywords
metsignals
processing
processing metsignals
Prior art date
Application number
SE7312702A
Other languages
Swedish (sv)
Inventor
M Maas
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of SE395772B publication Critical patent/SE395772B/en

Links

Classifications

    • 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
    • A61B5/307—Input circuits therefor specially adapted for particular uses
    • A61B5/308—Input circuits therefor specially adapted for particular uses for electrocardiography [ECG]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
    • H03F3/387—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only
    • H03F3/393—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only with field-effect devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
    • 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
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7217—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise originating from a therapeutic or surgical apparatus, e.g. from a pacemaker
    • 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
    • A61B5/7235—Details of waveform analysis
    • A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Cardiology (AREA)
  • Electrotherapy Devices (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Noise Elimination (AREA)
SE7312702A 1972-09-20 1973-09-18 DEVICE FOR PROCESSING METSIGNALS SE395772B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2246100A DE2246100C3 (en) 1972-09-20 1972-09-20 Device for acquiring or processing useful measurement signals

Publications (1)

Publication Number Publication Date
SE395772B true SE395772B (en) 1977-08-22

Family

ID=5856829

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7312702A SE395772B (en) 1972-09-20 1973-09-18 DEVICE FOR PROCESSING METSIGNALS

Country Status (5)

Country Link
DE (1) DE2246100C3 (en)
FR (1) FR2200526B1 (en)
GB (1) GB1450081A (en)
NL (1) NL7312380A (en)
SE (1) SE395772B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1572802A (en) 1976-06-23 1980-08-06 Nat Res Dev Apparatus for indicating uterine activity in labour
US4305400A (en) * 1979-10-15 1981-12-15 Squibb Vitatek Inc. Respiration monitoring method and apparatus including cardio-vascular artifact detection
US4331157A (en) * 1980-07-09 1982-05-25 Stimtech, Inc. Mutually noninterfering transcutaneous nerve stimulation and patient monitoring
DE3818455A1 (en) * 1988-05-31 1989-12-14 Philips Patentverwaltung Peak voltage meter
CN114224302B (en) * 2021-12-22 2024-03-15 上海贝瑞电子科技有限公司 Multi-physiological parameter signal single-channel synchronous acquisition device

Also Published As

Publication number Publication date
NL7312380A (en) 1974-03-22
DE2246100A1 (en) 1974-03-28
FR2200526B1 (en) 1979-04-27
DE2246100B2 (en) 1978-10-12
DE2246100C3 (en) 1979-06-07
GB1450081A (en) 1976-09-22
FR2200526A1 (en) 1974-04-19

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