DE2520383A1 - Signalumformer - Google Patents

Signalumformer

Info

Publication number
DE2520383A1
DE2520383A1 DE19752520383 DE2520383A DE2520383A1 DE 2520383 A1 DE2520383 A1 DE 2520383A1 DE 19752520383 DE19752520383 DE 19752520383 DE 2520383 A DE2520383 A DE 2520383A DE 2520383 A1 DE2520383 A1 DE 2520383A1
Authority
DE
Germany
Prior art keywords
input signal
output
frequency
amplitude
modulator
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.)
Withdrawn
Application number
DE19752520383
Other languages
German (de)
English (en)
Inventor
John Dr Med Elliott
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.)
RES AND DEV SCIENTISTS Inc
Original Assignee
RES AND DEV SCIENTISTS Inc
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 RES AND DEV SCIENTISTS Inc filed Critical RES AND DEV SCIENTISTS Inc
Publication of DE2520383A1 publication Critical patent/DE2520383A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C5/00Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024Measuring pulse rate or heart rate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30Input circuits therefor
    • A61B5/307Input circuits therefor specially adapted for particular uses
    • A61B5/308Input circuits therefor specially adapted for particular uses for electrocardiography [ECG]

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physiology (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Amplifiers (AREA)
DE19752520383 1974-05-08 1975-05-07 Signalumformer Withdrawn DE2520383A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20229/74A GB1489062A (en) 1974-05-08 1974-05-08 Signal converter

Publications (1)

Publication Number Publication Date
DE2520383A1 true DE2520383A1 (de) 1975-11-20

Family

ID=10142519

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752520383 Withdrawn DE2520383A1 (de) 1974-05-08 1975-05-07 Signalumformer

Country Status (4)

Country Link
JP (1) JPS5115960A (https=)
DE (1) DE2520383A1 (https=)
FR (1) FR2270715B1 (https=)
GB (1) GB1489062A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106656307A (zh) * 2016-12-09 2017-05-10 清华大学 基于调频数据广播的无人机飞行限制管理方法、无人机和管理中心

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080228091A1 (en) * 2007-03-12 2008-09-18 General Electric Company Method and system for patient evaluation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106656307A (zh) * 2016-12-09 2017-05-10 清华大学 基于调频数据广播的无人机飞行限制管理方法、无人机和管理中心

Also Published As

Publication number Publication date
GB1489062A (en) 1977-10-19
FR2270715B1 (https=) 1980-08-29
JPS5115960A (https=) 1976-02-07
FR2270715A1 (https=) 1975-12-05

Similar Documents

Publication Publication Date Title
DE2723172B2 (de) Rauschunterdrückungssystem, insbesondere für Kassetten-Magnetbandgeräte
DE2208820C3 (de) Ton- bzw. Schallmeßeinrichtung
DE4120537A1 (de) Niederfrequenzkompensationsschaltung fuer tonsignale
DE69603453T2 (de) Auskultationsgerät
DE2247572A1 (de) Verfahren und vorrichtung zum automatischen analysieren von gehirnstrom-signalen
EP0031135B1 (de) Elektroakustisches Messgerät
DE2657592C2 (de) Verfahren und Vorrichtung zur Einstellung der HF-Vormagnetisierung bei der Tonaufzeichnung
DE2412891A1 (de) Vorrichtung zum verarbeiten von ekgund schrittmachersignalen
CH643727A5 (de) Anordnung zum erzeugen einer signalfolge fuer die anpassung eines hoergeraetes.
DE2921784C2 (de) Verfahren und Schaltungsanordnung zur automatischen Einstellung des Vormagnetisierungsstroms für den Sprechkopf eines Tonbandgerätes mit getrennten Köpfen
DE2017891B2 (de) Verfahren und Vorrichtung zur Anzeige der Bewegung von Flächenabschnitten lebender Organismen
DE2520383A1 (de) Signalumformer
DE69620664T2 (de) Bandbreitenkompressor für niedrige Eingangssignale und Steuerschaltung für Verstärker
DE19713947C2 (de) Elektromyographie-Biofeedbackgerät für Entspannungstraining
DE2645705C3 (de) Blutdruckmesser
EP0141953B1 (de) Verfahren und Vorrichtung zur Übertragung akustischer Informationen als fühlbare Vibrationen
DE1903375C3 (de) Elektrische Schaltungsanordnung zur Verfolgung der Formantfrequenz eines Sprachsignals
DE9405523U1 (de) Elektromyographie-Biofeedbackgerät
EP0186732B1 (de) Ultraschall-Gerät zur Determination des peripheren Blutströmungsverhaltens
DE2028458C3 (de) Einrichtung zur Auswahl eines Flachenbereichs bei der Wiedergabe von in x,y Koordinaten analog dargestellten Meßdaten
DE2121327C3 (de) Übergangs-Funktionsgenerator zur Erzeugung einer gewünschten Signalform aus einem Eingangssignal
DE1151284B (de) Frequenzanalysator zum Ermitteln des Verlaufes einer in einem Sprechfrequenz-teilband liegenden kennzeichnenden Sprechfrequenz
DE2014856C3 (de) Zweikanaliges tonfrequentes Übertragungssystem und ein Codierer sowie ein Decodierer hierzu
WO1990009727A1 (de) Verfahren und vorrichtung zur klangaufbereitung
DE3300985C1 (de) Klick-Generator für Hirnstamm-Audiometer

Legal Events

Date Code Title Description
8141 Disposal/no request for examination