GB1348197A - Audiometers - Google Patents

Audiometers

Info

Publication number
GB1348197A
GB1348197A GB25373A GB25373A GB1348197A GB 1348197 A GB1348197 A GB 1348197A GB 25373 A GB25373 A GB 25373A GB 25373 A GB25373 A GB 25373A GB 1348197 A GB1348197 A GB 1348197A
Authority
GB
United Kingdom
Prior art keywords
sound
circuit
oscillator
frequency
attenuator
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
GB25373A
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.)
HEARING AID CENTRE
Original Assignee
HEARING AID CENTRE
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 HEARING AID CENTRE filed Critical HEARING AID CENTRE
Publication of GB1348197A publication Critical patent/GB1348197A/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
    • A61B5/12—Audiometering

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Biophysics (AREA)
  • Acoustics & Sound (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Multimedia (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
GB25373A 1972-01-10 1973-01-02 Audiometers Expired GB1348197A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA720135A ZA72135B (en) 1972-01-10 1972-01-10 Improvements in audiometers

Publications (1)

Publication Number Publication Date
GB1348197A true GB1348197A (en) 1974-03-13

Family

ID=25564348

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25373A Expired GB1348197A (en) 1972-01-10 1973-01-02 Audiometers

Country Status (5)

Country Link
DE (1) DE2300872B2 (xx)
GB (1) GB1348197A (xx)
IT (1) IT994043B (xx)
NL (1) NL7300304A (xx)
ZA (1) ZA72135B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704846C2 (de) * 1977-02-05 1984-08-09 Philips Patentverwaltung Gmbh, 2000 Hamburg Audiometer
DE2754128A1 (de) * 1977-12-05 1979-06-07 Rodler Ing Hans Elektrotherapie- und diagnostikapparat

Also Published As

Publication number Publication date
ZA72135B (en) 1973-03-28
DE2300872B2 (de) 1976-04-22
IT994043B (it) 1975-10-20
DE2300872A1 (de) 1973-07-19
NL7300304A (xx) 1973-07-12

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees