FR2200526A1 - - Google Patents

Info

Publication number
FR2200526A1
FR2200526A1 FR7333579A FR7333579A FR2200526A1 FR 2200526 A1 FR2200526 A1 FR 2200526A1 FR 7333579 A FR7333579 A FR 7333579A FR 7333579 A FR7333579 A FR 7333579A FR 2200526 A1 FR2200526 A1 FR 2200526A1
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.)
Granted
Application number
FR7333579A
Other languages
French (fr)
Other versions
FR2200526B1 (enrdf_load_stackoverflow
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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, Siemens Corp 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
    • 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)
  • Surgery (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Electrotherapy Devices (AREA)
  • Noise Elimination (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
FR7333579A 1972-09-20 1973-09-19 Expired FR2200526B1 (enrdf_load_stackoverflow)

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 true FR2200526A1 (enrdf_load_stackoverflow) 1974-04-19
FR2200526B1 FR2200526B1 (enrdf_load_stackoverflow) 1979-04-27

Family

ID=5856829

Family Applications (1)

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

Country Status (5)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466974A1 (fr) * 1979-10-15 1981-04-17 Tektronix Inc Procede et appareil pour le controle de la respiration avec detection de l'influence de l'activite cardio-vasculaire
EP0043690A1 (en) * 1980-07-09 1982-01-13 Stimtech, Inc. Mutually non-interfering transcutaneous nerve stimulation and patient monitoring apparatus

Families Citing this family (3)

* 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
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466974A1 (fr) * 1979-10-15 1981-04-17 Tektronix Inc Procede et appareil pour le controle de la respiration avec detection de l'influence de l'activite cardio-vasculaire
EP0043690A1 (en) * 1980-07-09 1982-01-13 Stimtech, Inc. Mutually non-interfering transcutaneous nerve stimulation and patient monitoring apparatus

Also Published As

Publication number Publication date
GB1450081A (en) 1976-09-22
DE2246100B2 (de) 1978-10-12
NL7312380A (enrdf_load_stackoverflow) 1974-03-22
DE2246100C3 (de) 1979-06-07
DE2246100A1 (de) 1974-03-28
SE395772B (sv) 1977-08-22
FR2200526B1 (enrdf_load_stackoverflow) 1979-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse