JPS5859697A - Plane speaker - Google Patents

Plane speaker

Info

Publication number
JPS5859697A
JPS5859697A JP15829081A JP15829081A JPS5859697A JP S5859697 A JPS5859697 A JP S5859697A JP 15829081 A JP15829081 A JP 15829081A JP 15829081 A JP15829081 A JP 15829081A JP S5859697 A JPS5859697 A JP S5859697A
Authority
JP
Japan
Prior art keywords
damper
diaphragm
plane
visco
frame
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.)
Pending
Application number
JP15829081A
Other languages
Japanese (ja)
Inventor
Ichiro Tomioka
Hiroshi Yano
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP15829081A priority Critical patent/JPS5859697A/en
Publication of JPS5859697A publication Critical patent/JPS5859697A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/26Damping by means acting directly on free portion of diaphragm or cone

Abstract

PURPOSE:To extend the reproducing frequency band of a plane speaker, by connecting a damper consisting of visco-elastic materials to the outside circumference of a diaphragm. CONSTITUTION:A magnetic circuit consists of a top plate 1, a magnet 2, and a plate 3 with a pole piece. The upper end of a voice coil bobbin 5 is connected to a plane diaphragm 6. The inside of a ring-shaped or arc-shaped damper 9 which is stuck or coated to an edge 7 and consists of visco-elastic materials represented by rubber is adhered to all of or a part of the outside circumference of the diaphragm 6, and the outside of the damper 9 is fixed to a frame 8. Consequently, the plane diaphragm 6 is supported through the damper 9 in the semifixing state by the frame 8.
JP15829081A 1981-10-05 1981-10-05 Plane speaker Pending JPS5859697A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15829081A JPS5859697A (en) 1981-10-05 1981-10-05 Plane speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15829081A JPS5859697A (en) 1981-10-05 1981-10-05 Plane speaker

Publications (1)

Publication Number Publication Date
JPS5859697A true JPS5859697A (en) 1983-04-08

Family

ID=15668363

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15829081A Pending JPS5859697A (en) 1981-10-05 1981-10-05 Plane speaker

Country Status (1)

Country Link
JP (1) JPS5859697A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5168525A (en) * 1989-08-16 1992-12-01 Georg Neumann Gmbh Boundary-layer microphone
JP2007519352A (en) * 2004-01-22 2007-07-12 オイ ノース ウェーブ リミテッド Loudspeaker
WO2013021455A1 (en) * 2011-08-09 2013-02-14 三菱電機株式会社 Electrodynamic sound-emitting body
JP2013038761A (en) * 2011-12-15 2013-02-21 Mitsubishi Electric Corp Electrodynamic sound emitting body

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5168525A (en) * 1989-08-16 1992-12-01 Georg Neumann Gmbh Boundary-layer microphone
JP2007519352A (en) * 2004-01-22 2007-07-12 オイ ノース ウェーブ リミテッド Loudspeaker
WO2013021455A1 (en) * 2011-08-09 2013-02-14 三菱電機株式会社 Electrodynamic sound-emitting body
JP2013038761A (en) * 2011-12-15 2013-02-21 Mitsubishi Electric Corp Electrodynamic sound emitting body

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