GB1489062A - Signal converter - Google Patents

Signal converter

Info

Publication number
GB1489062A
GB1489062A GB20229/74A GB2022974A GB1489062A GB 1489062 A GB1489062 A GB 1489062A GB 20229/74 A GB20229/74 A GB 20229/74A GB 2022974 A GB2022974 A GB 2022974A GB 1489062 A GB1489062 A GB 1489062A
Authority
GB
United Kingdom
Prior art keywords
amplitude
input signal
frequency
amplifier
modulated
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
Application number
GB20229/74A
Other languages
English (en)
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 & Dev Scientists Inc
Original Assignee
Res & 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 & Dev Scientists Inc filed Critical Res & Dev Scientists Inc
Priority to GB20229/74A priority Critical patent/GB1489062A/en
Priority to DE19752520383 priority patent/DE2520383A1/de
Priority to FR7514312A priority patent/FR2270715B1/fr
Priority to JP50055289A priority patent/JPS5115960A/ja
Publication of GB1489062A publication Critical patent/GB1489062A/en
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]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Amplifiers (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
GB20229/74A 1974-05-08 1974-05-08 Signal converter Expired GB1489062A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB20229/74A GB1489062A (en) 1974-05-08 1974-05-08 Signal converter
DE19752520383 DE2520383A1 (de) 1974-05-08 1975-05-07 Signalumformer
FR7514312A FR2270715B1 (ja) 1974-05-08 1975-05-07
JP50055289A JPS5115960A (ja) 1974-05-08 1975-05-08

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
GB1489062A true GB1489062A (en) 1977-10-19

Family

ID=10142519

Family Applications (1)

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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2447547A (en) * 2007-03-12 2008-09-17 Gen Electric Method And System For Patient Evaluation Using An Electrocardiogram

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106656307B (zh) * 2016-12-09 2020-01-21 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2447547A (en) * 2007-03-12 2008-09-17 Gen Electric Method And System For Patient Evaluation Using An Electrocardiogram
GB2447547B (en) * 2007-03-12 2012-02-22 Gen Electric Method and system for patient evaluation

Also Published As

Publication number Publication date
DE2520383A1 (de) 1975-11-20
FR2270715A1 (ja) 1975-12-05
FR2270715B1 (ja) 1980-08-29
JPS5115960A (ja) 1976-02-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee