DE29905015U1 - Three-dimensional loudspeaker based on nxt technology - Google Patents

Three-dimensional loudspeaker based on nxt technology

Info

Publication number
DE29905015U1
DE29905015U1 DE29905015U DE29905015U DE29905015U1 DE 29905015 U1 DE29905015 U1 DE 29905015U1 DE 29905015 U DE29905015 U DE 29905015U DE 29905015 U DE29905015 U DE 29905015U DE 29905015 U1 DE29905015 U1 DE 29905015U1
Authority
DE
Germany
Prior art keywords
loudspeaker based
dimensional loudspeaker
nxt
technology
nxt technology
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.)
Expired - Lifetime
Application number
DE29905015U
Other languages
German (de)
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
Application filed by Alusuisse Kapa GmbH filed Critical Alusuisse Kapa GmbH
Priority to DE29905015U priority Critical patent/DE29905015U1/en
Priority to AU43633/99A priority patent/AU4363399A/en
Priority to PCT/EP1999/003439 priority patent/WO2000002415A1/en
Publication of DE29905015U1 publication Critical patent/DE29905015U1/en
Priority to TW088110740A priority patent/TW429732B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • 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
DE29905015U 1998-07-01 1999-03-18 Three-dimensional loudspeaker based on nxt technology Expired - Lifetime DE29905015U1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE29905015U DE29905015U1 (en) 1999-03-18 1999-03-18 Three-dimensional loudspeaker based on nxt technology
AU43633/99A AU4363399A (en) 1998-07-01 1999-05-19 Loudspeaker
PCT/EP1999/003439 WO2000002415A1 (en) 1998-07-01 1999-05-19 Loudspeaker
TW088110740A TW429732B (en) 1998-07-01 1999-06-25 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29905015U DE29905015U1 (en) 1999-03-18 1999-03-18 Three-dimensional loudspeaker based on nxt technology

Publications (1)

Publication Number Publication Date
DE29905015U1 true DE29905015U1 (en) 1999-06-10

Family

ID=8071066

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29905015U Expired - Lifetime DE29905015U1 (en) 1998-07-01 1999-03-18 Three-dimensional loudspeaker based on nxt technology

Country Status (1)

Country Link
DE (1) DE29905015U1 (en)

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19990722

R081 Change of applicant/patentee

Owner name: ALCAN KAPA GMBH, DE

Free format text: FORMER OWNER: ALUSUISSE KAPA GMBH, 49090 OSNABRUECK, DE

Effective date: 20020227

R156 Lapse of ip right after 3 years

Effective date: 20021001