IT1058601B - Disposizione circuitale per analizzare in frequenza un segnale elettrico - Google Patents

Disposizione circuitale per analizzare in frequenza un segnale elettrico

Info

Publication number
IT1058601B
IT1058601B IT21335/76A IT2133576A IT1058601B IT 1058601 B IT1058601 B IT 1058601B IT 21335/76 A IT21335/76 A IT 21335/76A IT 2133576 A IT2133576 A IT 2133576A IT 1058601 B IT1058601 B IT 1058601B
Authority
IT
Italy
Prior art keywords
electric signal
circuit arrangement
analyze
frequently
frequently analyze
Prior art date
Application number
IT21335/76A
Other languages
English (en)
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
Priority claimed from DE19752512939 external-priority patent/DE2512939C3/de
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1058601B publication Critical patent/IT1058601B/it

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
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—Electroencephalography [EEG]
    • A61B5/372—Analysis of electroencephalograms
    • A61B5/374—Detecting the frequency distribution of signals, e.g. detecting delta, theta, alpha, beta or gamma waves
    • 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
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • 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
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/333—Recording apparatus specially adapted therefor
    • 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
    • A61B5/7242—Details of waveform analysis using integration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
    • G01D1/04—Measuring arrangements giving results other than momentary value of variable, of general application giving integrated values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
    • G01D15/16—Recording elements transferring recording material, e.g. ink, to the recording surface
    • G01D15/18—Nozzles emitting recording material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records
    • G01R13/08—Electromechanical recording systems using a mechanical direct-writing method
    • G01R13/10—Electromechanical recording systems using a mechanical direct-writing method with intermittent recording by representing the variable by the length of a stroke or by the position of a dot
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G01R23/18—Spectrum analysis; Fourier analysis with provision for recording frequency spectrum

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Psychiatry (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Signal Processing (AREA)
  • Physiology (AREA)
  • Mathematical Physics (AREA)
  • Cardiology (AREA)
  • Psychology (AREA)
  • Recording Measured Values (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
IT21335/76A 1975-03-24 1976-03-18 Disposizione circuitale per analizzare in frequenza un segnale elettrico IT1058601B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752512939 DE2512939C3 (de) 1975-03-24 Schaltungsanordnung zur Frequenzanalyse eines Signals

Publications (1)

Publication Number Publication Date
IT1058601B true IT1058601B (it) 1982-05-10

Family

ID=5942272

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21335/76A IT1058601B (it) 1975-03-24 1976-03-18 Disposizione circuitale per analizzare in frequenza un segnale elettrico

Country Status (4)

Country Link
US (1) US4062020A (it)
JP (1) JPS5938547B2 (it)
FR (1) FR2305735A1 (it)
IT (1) IT1058601B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2619369C2 (de) * 1976-04-30 1982-06-16 Siemens AG, 1000 Berlin und 8000 München Flüssigkeitsstrahlschreiber
FR2454626A1 (fr) * 1979-04-17 1980-11-14 Electricite De France Enregistreur de signaux sur perturbation
DE3147815C1 (de) * 1981-12-03 1983-03-31 Rohde & Schwarz GmbH & Co KG, 8000 München Funkempfangseinrichtung mit einem Filterbankempfaenger
DE3237797A1 (de) * 1982-10-12 1984-04-12 Siemens AG, 1000 Berlin und 8000 München Verfahren und fluessigkeitsstrahlschreiber zur erzeugung mindestens zweier getrennt liegender punkte auf einem aufzeichnungstraeger
US5684516A (en) * 1993-11-09 1997-11-04 Lexmark International, Inc. Print station in an ink jet printer
US6495998B1 (en) 2000-09-28 2002-12-17 Sunrise Telecom Corp. Selectable band-pass filtering apparatus and method
US7164629B2 (en) * 2002-01-22 2007-01-16 Ricoh Company, Ltd. Method of controlling an optical disk apparatus
GB0805839D0 (en) * 2008-03-31 2009-01-14 Mbda Uk Ltd A High Speed Frequency Detector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE685095C (de) * 1935-08-14 1939-12-11 Siemens & Halske Akt Ges Frequenzanalysator mit unmittelbarer Anzeige ueber das gesamte zu untersuchende Frequenzspektrum durch eine oszillographische Vorrichtung
US2492062A (en) * 1946-11-05 1949-12-20 Bell Telephone Labor Inc Device for portrayal of complex waves
US2566443A (en) * 1948-10-01 1951-09-04 Elmqvist Rune Measuring instrument of the recording type
US3582957A (en) * 1969-02-26 1971-06-01 Us Navy Frequency analyzer

Also Published As

Publication number Publication date
DE2512939B2 (de) 1977-05-05
FR2305735B1 (it) 1981-06-12
JPS5938547B2 (ja) 1984-09-18
FR2305735A1 (fr) 1976-10-22
DE2512939A1 (de) 1976-09-30
US4062020A (en) 1977-12-06
JPS51120256A (en) 1976-10-21

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