DK299877A - AUTOMATIC ACOUSTIC TEST SYSTEM - Google Patents

AUTOMATIC ACOUSTIC TEST SYSTEM

Info

Publication number
DK299877A
DK299877A DK299877A DK299877A DK299877A DK 299877 A DK299877 A DK 299877A DK 299877 A DK299877 A DK 299877A DK 299877 A DK299877 A DK 299877A DK 299877 A DK299877 A DK 299877A
Authority
DK
Denmark
Prior art keywords
test system
acoustic test
automatic acoustic
automatic
test
Prior art date
Application number
DK299877A
Other languages
Danish (da)
Other versions
DK152638B (en
DK152638C (en
Inventor
G J Frye
L J Geerling
Original Assignee
G J Frye
L J 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 G J Frye, L J Geerling filed Critical G J Frye
Publication of DK299877A publication Critical patent/DK299877A/en
Publication of DK152638B publication Critical patent/DK152638B/en
Application granted granted Critical
Publication of DK152638C publication Critical patent/DK152638C/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/30Monitoring or testing of hearing aids, e.g. functioning, settings, battery power
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00Measuring 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)
DK299877A 1976-07-19 1977-07-05 AUTOMATIC ACOUSTIC TESTING SYSTEM DK152638C (en)

Applications Claiming Priority (2)

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

Publications (3)

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

Family

ID=24838461

Family Applications (1)

Application Number Title Priority Date Filing Date
DK299877A DK152638C (en) 1976-07-19 1977-07-05 AUTOMATIC ACOUSTIC TESTING SYSTEM

Country Status (3)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2830837C2 (en) * 1977-07-15 1983-06-09 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Method and device for measuring the characteristic values of a loudspeaker
FR2457703A1 (en) * 1979-05-31 1980-12-26 Rosset Didier Automatic regulator for pass band linearity of electro acoustic appts. - operates without manual intervention by measuring level of generated sound
DE10202852B4 (en) * 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 Method for testing and / or adjusting the transmission of structure-borne noise into or out of a test specimen and structure-borne sound component

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
DE2732359C2 (en) 1983-12-08
DE2732359A1 (en) 1978-01-26
DK152638B (en) 1988-03-28
DK152638C (en) 1988-10-10
NL7706698A (en) 1978-01-23

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Legal Events

Date Code Title Description
PBP Patent lapsed