FR2200526B1 - - Google Patents

Info

Publication number
FR2200526B1
FR2200526B1 FR7333579A FR7333579A FR2200526B1 FR 2200526 B1 FR2200526 B1 FR 2200526B1 FR 7333579 A FR7333579 A FR 7333579A FR 7333579 A FR7333579 A FR 7333579A FR 2200526 B1 FR2200526 B1 FR 2200526B1
Authority
FR
France
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
Application number
FR7333579A
Other languages
French (fr)
Other versions
FR2200526A1 (sv
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.)
Siemens AG
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 FR2200526A1 publication Critical patent/FR2200526A1/fr
Application granted granted Critical
Publication of FR2200526B1 publication Critical patent/FR2200526B1/fr
Expired legal-status Critical Current

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)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (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)
FR7333579A 1972-09-20 1973-09-19 Expired FR2200526B1 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2246100A DE2246100C3 (de) 1972-09-20 1972-09-20 Gerät zum Erfassen bzw. Verarbeiten von Meßnutzsignalen

Publications (2)

Publication Number Publication Date
FR2200526A1 FR2200526A1 (sv) 1974-04-19
FR2200526B1 true FR2200526B1 (sv) 1979-04-27

Family

ID=5856829

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7333579A Expired FR2200526B1 (sv) 1972-09-20 1973-09-19

Country Status (5)

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

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 (de) * 1988-05-31 1989-12-14 Philips Patentverwaltung Spitzenspannungsmesser
CN114224302B (zh) * 2021-12-22 2024-03-15 上海贝瑞电子科技有限公司 一种多生理参数信号单通道同步采集装置

Also Published As

Publication number Publication date
DE2246100A1 (de) 1974-03-28
DE2246100C3 (de) 1979-06-07
DE2246100B2 (de) 1978-10-12
SE395772B (sv) 1977-08-22
GB1450081A (en) 1976-09-22
NL7312380A (sv) 1974-03-22
FR2200526A1 (sv) 1974-04-19

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Legal Events

Date Code Title Description
ST Notification of lapse