DK117279A - Akustisk maalebeholder - Google Patents

Akustisk maalebeholder

Info

Publication number
DK117279A
DK117279A DK117279A DK117279A DK117279A DK 117279 A DK117279 A DK 117279A DK 117279 A DK117279 A DK 117279A DK 117279 A DK117279 A DK 117279A DK 117279 A DK117279 A DK 117279A
Authority
DK
Denmark
Prior art keywords
measuring container
acoustic measuring
acoustic
container
measuring
Prior art date
Application number
DK117279A
Other languages
English (en)
Other versions
DK144043B (da
DK144043C (da
Inventor
P V Brueel
Original Assignee
Brueel & Kjaer As
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 Brueel & Kjaer As filed Critical Brueel & Kjaer As
Priority to DK117279A priority Critical patent/DK144043C/da
Priority to US06/217,009 priority patent/US4357499A/en
Priority to PCT/DK1980/000018 priority patent/WO1983000792A1/en
Publication of DK117279A publication Critical patent/DK117279A/da
Publication of DK144043B publication Critical patent/DK144043B/da
Application granted granted Critical
Publication of DK144043C publication Critical patent/DK144043C/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
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/8218—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only soundproof enclosures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate shaped
    • E04B2001/8419—Acoustical cones or the like, e.g. for anechoic chambers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DK117279A 1979-03-22 1979-03-22 Akustisk maalebeholder DK144043C (da)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK117279A DK144043C (da) 1979-03-22 1979-03-22 Akustisk maalebeholder
US06/217,009 US4357499A (en) 1979-03-22 1980-03-21 Acoustic test box
PCT/DK1980/000018 WO1983000792A1 (en) 1979-03-22 1980-03-21 Container for acoustic testing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK117279 1979-03-22
DK117279A DK144043C (da) 1979-03-22 1979-03-22 Akustisk maalebeholder

Publications (3)

Publication Number Publication Date
DK117279A true DK117279A (da) 1980-09-23
DK144043B DK144043B (da) 1981-11-23
DK144043C DK144043C (da) 1982-04-26

Family

ID=8101809

Family Applications (1)

Application Number Title Priority Date Filing Date
DK117279A DK144043C (da) 1979-03-22 1979-03-22 Akustisk maalebeholder

Country Status (3)

Country Link
US (1) US4357499A (da)
DK (1) DK144043C (da)
WO (1) WO1983000792A1 (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805728A (en) * 1987-09-29 1989-02-21 Robert Carter Sound system with anechoic enclosure
US5128566A (en) * 1989-11-03 1992-07-07 Etymotic Research, Inc. Variable attenuator circuit
US6119808A (en) * 1997-08-20 2000-09-19 Steedman; James B. Transportable acoustic screening chamber for testing sound emitters
WO2005081584A2 (en) * 2004-02-20 2005-09-01 Gn Resound A/S Hearing aid with feedback cancellation
US7530424B1 (en) * 2005-11-23 2009-05-12 Graber Curtis E Sonic boom simulator
CN101039534B (zh) * 2006-03-15 2012-06-20 鸿富锦精密工业（深圳）有限公司 声音检测设备和自动传送装置
US7610810B2 (en) * 2008-01-10 2009-11-03 Ets-Lindgren, L.P. Methods for producing acoustic sources
EP2373066B1 (en) * 2010-03-16 2017-08-02 Rasco GmbH Microelectromechanical system testing device
CN102761813A (zh) * 2011-04-25 2012-10-31 张强 一种传声器联合测试方法
US10317373B2 (en) * 2012-10-15 2019-06-11 Msi Dfat Llc Direct field acoustic testing in a semi-reverberant enclosure
FI126874B (fi) * 2014-01-24 2017-07-14 Flexound Systems Oy Laite äänen kokonaisvaltaiseen aistimiseen
US10371623B2 (en) 2016-02-05 2019-08-06 Nelson Rojo Corrosion test chamber
CN108271113A (zh) * 2017-12-25 2018-07-10 南通同洲电子有限责任公司 一种判断音频左右声道输出大小的测试装置及使用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3558833A (en) * 1969-02-13 1971-01-26 Us Navy Underwater microphone testing device
US3692959A (en) * 1970-10-28 1972-09-19 Electone Inc Digital hearing aid gain analyzer
US4065647A (en) * 1974-01-03 1977-12-27 Frye G J Automatic acoustical testing system
US3923119A (en) * 1974-01-03 1975-12-02 Frye G J Sound pressure box
US3968334A (en) * 1974-10-10 1976-07-06 Miguel Padilla Audiometric method and apparatus for testing the effectiveness of hearing protective devices
US4170720A (en) * 1978-03-03 1979-10-09 Killion Mead C AGC circuit particularly for a hearing aid

Also Published As

Publication number Publication date
WO1983000792A1 (en) 1983-03-03
US4357499A (en) 1982-11-02
DK144043B (da) 1981-11-23
DK144043C (da) 1982-04-26

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Legal Events

Date Code Title Description
PBP Patent lapsed