NL7706698A - Automatische acoustische beproevingsinrichting. - Google Patents

Automatische acoustische beproevingsinrichting.

Info

Publication number
NL7706698A
NL7706698A NL7706698A NL7706698A NL7706698A NL 7706698 A NL7706698 A NL 7706698A NL 7706698 A NL7706698 A NL 7706698A NL 7706698 A NL7706698 A NL 7706698A NL 7706698 A NL7706698 A NL 7706698A
Authority
NL
Netherlands
Prior art keywords
testing device
acoustic testing
automatic acoustic
automatic
testing
Prior art date
Application number
NL7706698A
Other languages
English (en)
Original Assignee
Frye G J
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 filed Critical Frye G J
Publication of NL7706698A publication Critical patent/NL7706698A/nl

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

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Physics & Mathematics (AREA)
  • Neurosurgery (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
NL7706698A 1976-07-19 1977-06-17 Automatische acoustische beproevingsinrichting. NL7706698A (nl)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7706698A true NL7706698A (nl) 1978-01-23

Family

ID=24838461

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7706698A NL7706698A (nl) 1976-07-19 1977-06-17 Automatische acoustische beproevingsinrichting.

Country Status (3)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2830837C2 (de) * 1977-07-15 1983-06-09 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Verfahren und Vorrichtung zur Messung der Kennwerte eines Lautsprechers
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
DK152638B (da) 1988-03-28
DE2732359C2 (de) 1983-12-08
DK299877A (da) 1978-01-20
DK152638C (da) 1988-10-10
DE2732359A1 (de) 1978-01-26

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Legal Events

Date Code Title Description
BV The patent application has lapsed