AU4363399A - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
AU4363399A
AU4363399A AU43633/99A AU4363399A AU4363399A AU 4363399 A AU4363399 A AU 4363399A AU 43633/99 A AU43633/99 A AU 43633/99A AU 4363399 A AU4363399 A AU 4363399A AU 4363399 A AU4363399 A AU 4363399A
Authority
AU
Australia
Prior art keywords
loudspeaker
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
AU43633/99A
Inventor
Jorg Borker
Thomas Walsch
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.)
3A Composites GmbH
Original Assignee
Alusuisse Kapa GmbH
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 DE29811727U external-priority patent/DE29811727U1/en
Priority claimed from DE29905015U external-priority patent/DE29905015U1/en
Application filed by Alusuisse Kapa GmbH filed Critical Alusuisse Kapa GmbH
Publication of AU4363399A publication Critical patent/AU4363399A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/05—Aspects relating to the positioning and way or means of mounting of exciters to resonant bending wave panels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact
AU43633/99A 1998-07-01 1999-05-19 Loudspeaker Abandoned AU4363399A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE29811727U DE29811727U1 (en) 1998-07-01 1998-07-01 Record speaker device
DE29811727 1998-07-01
DE29905015U DE29905015U1 (en) 1999-03-18 1999-03-18 Three-dimensional loudspeaker based on nxt technology
DE29905015 1999-03-18
PCT/EP1999/003439 WO2000002415A1 (en) 1998-07-01 1999-05-19 Loudspeaker

Publications (1)

Publication Number Publication Date
AU4363399A true AU4363399A (en) 2000-01-24

Family

ID=26061629

Family Applications (1)

Application Number Title Priority Date Filing Date
AU43633/99A Abandoned AU4363399A (en) 1998-07-01 1999-05-19 Loudspeaker

Country Status (3)

Country Link
AU (1) AU4363399A (en)
TW (1) TW429732B (en)
WO (1) WO2000002415A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0221503D0 (en) * 2002-09-17 2002-10-23 1 Ltd Loudspeaker

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608071A1 (en) * 1976-02-26 1977-09-08 Reinhard Ing Grad Pechal Polyplanar magnetostatic loudspeaker system - has membrane carrying conductors cut by field lines from rows of permanent magnets
FR2419642A1 (en) * 1978-03-09 1979-10-05 Chauveau Didier Multielement piezoelectric loudspeaker - utilises membrane comprising number of small low inertia membranes with parallelly coupled transformer
JPS62236300A (en) * 1986-04-08 1987-10-16 Murata Mfg Co Ltd Flat type speaker
DE4107298C2 (en) * 1991-03-07 1994-08-25 Werner E J Mueller First-class acoustic ball radiator
US5163747A (en) * 1992-03-26 1992-11-17 Cheng Wei Kwang Desk lamp stereo output device incorporated thereto
GB9621523D0 (en) * 1996-10-16 1996-12-04 Noise Cancellation Tech A flat panel loudspeaker arrangement and hands free telephone system using the same

Also Published As

Publication number Publication date
TW429732B (en) 2001-04-11
WO2000002415A1 (en) 2000-01-13

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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