FI20040363A - Speaker - Google Patents

Speaker Download PDF

Info

Publication number
FI20040363A
FI20040363A FI20040363A FI20040363A FI20040363A FI 20040363 A FI20040363 A FI 20040363A FI 20040363 A FI20040363 A FI 20040363A FI 20040363 A FI20040363 A FI 20040363A FI 20040363 A FI20040363 A FI 20040363A
Authority
FI
Finland
Prior art keywords
speaker
Prior art date
Application number
FI20040363A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20040363A0 (en
Inventor
Ilkka Turunen
Sami Penttilae
Original Assignee
North Wave Ltd Oy
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 North Wave Ltd Oy filed Critical North Wave Ltd Oy
Priority to FI20040363A priority Critical patent/FI20040363A/en
Publication of FI20040363A0 publication Critical patent/FI20040363A0/en
Priority to PCT/FI2005/000092 priority patent/WO2005086531A1/en
Publication of FI20040363A publication Critical patent/FI20040363A/en

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/02—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
    • H04R9/02—Details
    • H04R9/022—Cooling arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FI20040363A 2004-03-05 2004-03-05 Speaker FI20040363A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20040363A FI20040363A (en) 2004-03-05 2004-03-05 Speaker
PCT/FI2005/000092 WO2005086531A1 (en) 2004-03-05 2005-02-14 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20040363A FI20040363A (en) 2004-03-05 2004-03-05 Speaker

Publications (2)

Publication Number Publication Date
FI20040363A0 FI20040363A0 (en) 2004-03-05
FI20040363A true FI20040363A (en) 2005-09-06

Family

ID=32039387

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20040363A FI20040363A (en) 2004-03-05 2004-03-05 Speaker

Country Status (2)

Country Link
FI (1) FI20040363A (en)
WO (1) WO2005086531A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2259222A (en) * 1991-08-30 1993-03-03 Marconi Gec Ltd Underwater acoustic projector
JP4317957B2 (en) * 1998-01-16 2009-08-19 ソニー株式会社 Speaker device and electronic device incorporating speaker device
EP1170977A1 (en) * 2000-07-04 2002-01-09 Tai-Yan Kam Laminated composite panel-form loudspeaker
US7010143B2 (en) * 2002-08-22 2006-03-07 Tai-Yan Kam Rectangular panel-form loudspeaker and its radiating panel
TWI221747B (en) * 2003-05-19 2004-10-01 Tai-Yan Kam Piston-form flat loudspeaker and its acoustic panel

Also Published As

Publication number Publication date
WO2005086531A1 (en) 2005-09-15
FI20040363A0 (en) 2004-03-05

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Legal Events

Date Code Title Description
FD Application lapsed