DK299877A - Automatisk akustisk provesystem - Google Patents

Automatisk akustisk provesystem

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
English (en)
Other versions
DK152638C (da
DK152638B (da
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/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • 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)
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 true DK299877A (da) 1978-01-20
DK152638B DK152638B (da) 1988-03-28
DK152638C 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
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
NL7706698A (nl) 1978-01-23
DE2732359C2 (de) 1983-12-08
DE2732359A1 (de) 1978-01-26
DK152638C (da) 1988-10-10
DK152638B (da) 1988-03-28

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Legal Events

Date Code Title Description
PBP Patent lapsed