AU2002339342A1 - Electroacoustic device and method of quality control - Google Patents
Electroacoustic device and method of quality controlInfo
- Publication number
- AU2002339342A1 AU2002339342A1 AU2002339342A AU2002339342A AU2002339342A1 AU 2002339342 A1 AU2002339342 A1 AU 2002339342A1 AU 2002339342 A AU2002339342 A AU 2002339342A AU 2002339342 A AU2002339342 A AU 2002339342A AU 2002339342 A1 AU2002339342 A1 AU 2002339342A1
- Authority
- AU
- Australia
- Prior art keywords
- quality control
- electroacoustic device
- electroacoustic
- quality
- control
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title 1
- 238000003908 quality control method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/02—Transducers using more than one principle simultaneously
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2892—Mountings or supports for transducers
- H04R1/2896—Mountings or supports for transducers for loudspeaker transducers
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2001149518 DE10149518A1 (en) | 2001-10-08 | 2001-10-08 | Electroacoustic device for conversion of electrical signals into acoustic signals comprises electrodynamic converter(s) whose drive is coupled to an element with a mass equal to at least 100 times the converter mass |
DE10149518.8 | 2001-10-08 | ||
PCT/DE2002/003733 WO2003034778A2 (en) | 2001-10-08 | 2002-10-02 | Electroacoustic device and method of quality control |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2002339342A1 true AU2002339342A1 (en) | 2003-04-28 |
Family
ID=7701756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2002339342A Abandoned AU2002339342A1 (en) | 2001-10-08 | 2002-10-02 | Electroacoustic device and method of quality control |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2002339342A1 (en) |
DE (2) | DE10149518A1 (en) |
WO (1) | WO2003034778A2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2488758A (en) | 2011-03-02 | 2012-09-12 | Gp Acoustics Uk Ltd | Bass reflex loudspeaker has acoustic leakage in walls of port duct |
GB2491108B (en) | 2011-05-18 | 2014-06-04 | Gp Acoustics Uk Ltd | Loudspeaker |
ITFI20130060A1 (en) * | 2013-03-21 | 2014-09-22 | Claudio Lastrucci | "ACOUSTIC DIFFUSER" |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0738759B2 (en) * | 1985-12-21 | 1995-04-26 | 修史 金成 | Speaker unit resonance prevention device |
FR2616994B1 (en) * | 1987-06-22 | 1989-11-24 | Coudoux Christian | HIGH PERFORMANCE ACOUSTIC SPEAKERS |
FR2625639B1 (en) * | 1987-12-30 | 1991-11-15 | Kobus Stanislas | FIXING DEVICE FOR ELECTRODYNAMIC SPEAKER |
NL8902557A (en) * | 1989-10-16 | 1991-05-16 | Rob Meyst | Loudspeaker with bolt serving as coil armature penetrating sand - has magnet rigidly fixed to ballast body |
GB9012131D0 (en) * | 1990-05-31 | 1990-07-18 | Akroyd Joseph S | Improvements in or relating to speaker cabinets |
GB2256560B (en) * | 1991-05-31 | 1994-11-23 | Kef Electronics Ltd | Loudspeaker |
-
2001
- 2001-10-08 DE DE2001149518 patent/DE10149518A1/en not_active Withdrawn
-
2002
- 2002-10-02 DE DE10294787T patent/DE10294787D2/en not_active Ceased
- 2002-10-02 WO PCT/DE2002/003733 patent/WO2003034778A2/en not_active Application Discontinuation
- 2002-10-02 AU AU2002339342A patent/AU2002339342A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE10149518A1 (en) | 2003-04-10 |
WO2003034778A3 (en) | 2004-11-25 |
WO2003034778A2 (en) | 2003-04-24 |
DE10294787D2 (en) | 2004-08-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |