AU2002339342A1 - Electroacoustic device and method of quality control - Google Patents

Electroacoustic device and method of quality control

Info

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
Application number
AU2002339342A
Inventor
Kolja Willimzik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2002339342A1 publication Critical patent/AU2002339342A1/en
Abandoned legal-status Critical Current

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
    • 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)
AU2002339342A 2001-10-08 2002-10-02 Electroacoustic device and method of quality control Abandoned AU2002339342A1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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