DK144043C - Akustisk maalebeholder - Google Patents
Akustisk maalebeholderInfo
- Publication number
- DK144043C DK144043C DK117279A DK117279A DK144043C DK 144043 C DK144043 C DK 144043C DK 117279 A DK117279 A DK 117279A DK 117279 A DK117279 A DK 117279A DK 144043 C DK144043 C DK 144043C
- Authority
- DK
- Denmark
- Prior art keywords
- measuring container
- acoustic measuring
- acoustic
- container
- measuring
- Prior art date
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)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Architecture (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK117279A DK144043C (da) | 1979-03-22 | 1979-03-22 | Akustisk maalebeholder |
PCT/DK1980/000018 WO1983000792A1 (en) | 1979-03-22 | 1980-03-21 | Container for acoustic testing |
US06/217,009 US4357499A (en) | 1979-03-22 | 1980-03-21 | Acoustic test box |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK117279A DK144043C (da) | 1979-03-22 | 1979-03-22 | Akustisk maalebeholder |
DK117279 | 1979-03-22 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK117279A DK117279A (da) | 1980-09-23 |
DK144043B DK144043B (da) | 1981-11-23 |
DK144043C true 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)
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 |
CN1939092B (zh) * | 2004-02-20 | 2015-09-16 | Gn瑞声达A/S | 消除反馈的方法及助听器 |
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)
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 |
-
1979
- 1979-03-22 DK DK117279A patent/DK144043C/da not_active IP Right Cessation
-
1980
- 1980-03-21 WO PCT/DK1980/000018 patent/WO1983000792A1/en unknown
- 1980-03-21 US US06/217,009 patent/US4357499A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1983000792A1 (en) | 1983-03-03 |
DK117279A (da) | 1980-09-23 |
DK144043B (da) | 1981-11-23 |
US4357499A (en) | 1982-11-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR7905556A (pt) | Recipiente resselavel | |
BR8001911A (pt) | Recipiente | |
BR8000368A (pt) | Recipiente ajustavel | |
BR8008974A (pt) | Recipientes | |
BR8008543A (pt) | Contentor | |
FI801499A (fi) | Lyftanordning foer container | |
FR2462837B1 (fr) | Transducteur ultrasonore | |
IT8012656A0 (it) | Dispositivo di misurazione | |
DK491680A (da) | Lyddaempende maatte | |
DK144043C (da) | Akustisk maalebeholder | |
IT1146224B (it) | Trasduttore elettrico-acustico | |
BR7902346A (pt) | Transdutor | |
AT367211B (de) | Kapazitiver messwandler | |
IT1132119B (it) | Contenitore | |
AT367711B (de) | Behaelter | |
DK292180A (da) | Piezoeletrisk accelorometer | |
SE7712951L (sv) | Indikatorlock | |
NO145554C (no) | Elektroakustisk transduser | |
BR8004300A (pt) | Recipiente | |
AT362998B (de) | Behaelter | |
BR7701859A (pt) | Recipiente escalonado | |
ES244853Y (es) | Megafono | |
ES242263Y (es) | Envase | |
ES245325Y (es) | Recipiente | |
ES247002Y (es) | Envase |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |