DK152638C - Automatisk akustisk afproevningssystem - Google Patents

Automatisk akustisk afproevningssystem

Info

Publication number
DK152638C
DK152638C DK299877A DK299877A DK152638C DK 152638 C DK152638 C DK 152638C DK 299877 A DK299877 A DK 299877A DK 299877 A DK299877 A DK 299877A DK 152638 C DK152638 C DK 152638C
Authority
DK
Denmark
Prior art keywords
testing system
acoustic testing
automatic acoustic
automatic
testing
Prior art date
Application number
DK299877A
Other languages
English (en)
Other versions
DK299877A (da
DK152638B (da
Inventor
George Joseph Frye
Leonardus Johannes Geerling
Original Assignee
Frye G J
Leonardus Johannes Geerling
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 US05/706,640 external-priority patent/US4065647A/en
Application filed by Frye G J, Leonardus Johannes Geerling filed Critical Frye G J
Publication of DK299877A publication Critical patent/DK299877A/da
Publication of DK152638B publication Critical patent/DK152638B/da
Application granted granted Critical
Publication of DK152638C publication Critical patent/DK152638C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/30—Monitoring or testing of hearing aids, e.g. functioning, settings, battery power
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Neurosurgery (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
DK299877A 1976-07-19 1977-07-05 Automatisk akustisk afproevningssystem DK152638C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/706,640 US4065647A (en) 1974-01-03 1976-07-19 Automatic acoustical testing system
US70664076 1976-07-19

Publications (3)

Publication Number Publication Date
DK299877A DK299877A (da) 1978-01-20
DK152638B DK152638B (da) 1988-03-28
DK152638C true DK152638C (da) 1988-10-10

Family

ID=24838461

Family Applications (1)

Application Number Title Priority Date Filing Date
DK299877A DK152638C (da) 1976-07-19 1977-07-05 Automatisk akustisk afproevningssystem

Country Status (3)

Country Link
DE (1) DE2732359C2 (da)
DK (1) DK152638C (da)
NL (1) NL7706698A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209672A (en) * 1977-07-15 1980-06-24 Tokyo Shibaura Denki Kabushiki Kaisha Method and apparatus for measuring characteristics of a loudspeaker
FR2457703A1 (fr) * 1979-05-31 1980-12-26 Rosset Didier Egaliseur automatique de bandes passantes audiofrequences
DE10202852B4 (de) * 2002-01-24 2011-12-22 Bundesrepublik Deutschland, vertr. d. d. Bundesministerium für Wirtschaft und Technologie, dieses vertr. d. d. Präsidenten der Physikalisch-Technischen Bundesanstalt Verfahren zur Prüfung und/oder Einstellung der Übertragung von Körperschall in einen oder aus einem Probekörper und Körperschall-Bauelement

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922506A (en) * 1974-01-03 1975-11-25 Frye G J Acoustical testing system

Also Published As

Publication number Publication date
NL7706698A (nl) 1978-01-23
DE2732359C2 (de) 1983-12-08
DK299877A (da) 1978-01-20
DK152638B (da) 1988-03-28
DE2732359A1 (de) 1978-01-26

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Legal Events

Date Code Title Description
PBP Patent lapsed