AU2003214714A1 - Flat loudspeaker for the whole acoustical frequention spectrum - Google Patents

Flat loudspeaker for the whole acoustical frequention spectrum

Info

Publication number
AU2003214714A1
AU2003214714A1 AU2003214714A AU2003214714A AU2003214714A1 AU 2003214714 A1 AU2003214714 A1 AU 2003214714A1 AU 2003214714 A AU2003214714 A AU 2003214714A AU 2003214714 A AU2003214714 A AU 2003214714A AU 2003214714 A1 AU2003214714 A1 AU 2003214714A1
Authority
AU
Australia
Prior art keywords
frequention
spectrum
flat loudspeaker
whole acoustical
acoustical
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
AU2003214714A
Inventor
Jacobus Maria De Rooij
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 AU2003214714A1 publication Critical patent/AU2003214714A1/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
    • 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 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
AU2003214714A 2002-02-26 2003-02-21 Flat loudspeaker for the whole acoustical frequention spectrum Abandoned AU2003214714A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1020060A NL1020060C1 (en) 2002-02-26 2002-02-26 Flat loudspeaker with multiple concentric systems.
NL1020060 2002-02-26
PCT/NL2003/000142 WO2003073785A1 (en) 2002-02-26 2003-02-21 Flat loudspeaker for the whole acoustical frequention spectrum

Publications (1)

Publication Number Publication Date
AU2003214714A1 true AU2003214714A1 (en) 2003-09-09

Family

ID=27764665

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003214714A Abandoned AU2003214714A1 (en) 2002-02-26 2003-02-21 Flat loudspeaker for the whole acoustical frequention spectrum

Country Status (4)

Country Link
EP (1) EP1479262A1 (en)
AU (1) AU2003214714A1 (en)
NL (1) NL1020060C1 (en)
WO (1) WO2003073785A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS622866Y2 (en) * 1981-03-24 1987-01-22
DE3733000A1 (en) * 1987-09-30 1989-04-13 Rainer Cornelius Friz Damping elements for multiway diaphragms
DE4021651C1 (en) * 1990-07-07 1991-06-27 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
IT1258008B (en) * 1992-01-14 1996-02-20 COMPOUND ELECTROACOUSTIC TRANSDUCER FOR THE REPRODUCTION OF MEDIUM-HIGH FREQUENCIES

Also Published As

Publication number Publication date
WO2003073785A1 (en) 2003-09-04
NL1020060C1 (en) 2003-08-27
EP1479262A1 (en) 2004-11-24

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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