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DE2964775D1 - Measurement of small movements - Google Patents

Measurement of small movements

Info

Publication number
DE2964775D1
DE2964775D1 DE7979900240T DE2964775T DE2964775D1 DE 2964775 D1 DE2964775 D1 DE 2964775D1 DE 7979900240 T DE7979900240 T DE 7979900240T DE 2964775 T DE2964775 T DE 2964775T DE 2964775 D1 DE2964775 D1 DE 2964775D1
Authority
DE
Germany
Prior art keywords
measurement
small movements
movements
small
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
DE7979900240T
Other languages
English (en)
Inventor
Michael Anson
Shin-Ho Chung
Alan Pettigrew
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.)
NAT RES DEV
National Research Development Corp UK
Original Assignee
NAT RES DEV
National Research Development Corp UK
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 NAT RES DEV, National Research Development Corp UK filed Critical NAT RES DEV
Application granted granted Critical
Publication of DE2964775D1 publication Critical patent/DE2964775D1/de
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
    • A61B1/2673—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes for monitoring movements of vocal chords
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/227—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for ears, i.e. otoscopes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • G01H9/006—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors the vibrations causing a variation in the relative position of the end of a fibre and another element

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pulmonology (AREA)
  • Otolaryngology (AREA)
  • Physiology (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE7979900240T 1978-03-09 1979-03-09 Measurement of small movements Expired DE2964775D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939878 1978-03-09
PCT/GB1979/000043 WO1979000841A1 (en) 1978-03-09 1979-03-09 Speckle interferometric measurement of small oscillatory movements

Publications (1)

Publication Number Publication Date
DE2964775D1 true DE2964775D1 (en) 1983-03-24

Family

ID=9871207

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979900240T Expired DE2964775D1 (en) 1978-03-09 1979-03-09 Measurement of small movements

Country Status (5)

Country Link
US (1) US4339954A (de)
EP (1) EP0014705B1 (de)
DE (1) DE2964775D1 (de)
GB (1) GB2047894B (de)
WO (1) WO1979000841A1 (de)

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Also Published As

Publication number Publication date
WO1979000841A1 (en) 1979-10-18
GB2047894B (en) 1982-11-03
US4339954A (en) 1982-07-20
GB2047894A (en) 1980-12-03
EP0014705A1 (de) 1980-09-03
EP0014705B1 (de) 1983-02-16

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