JPH01169900U - - Google Patents

Info

Publication number
JPH01169900U
JPH01169900U JP6733488U JP6733488U JPH01169900U JP H01169900 U JPH01169900 U JP H01169900U JP 6733488 U JP6733488 U JP 6733488U JP 6733488 U JP6733488 U JP 6733488U JP H01169900 U JPH01169900 U JP H01169900U
Authority
JP
Japan
Prior art keywords
diaphragm
magnetic circuit
dimension
plane direction
speaker
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.)
Granted
Application number
JP6733488U
Other languages
Japanese (ja)
Other versions
JPH0728798Y2 (en
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 filed Critical
Priority to JP1988067334U priority Critical patent/JPH0728798Y2/en
Publication of JPH01169900U publication Critical patent/JPH01169900U/ja
Application granted granted Critical
Publication of JPH0728798Y2 publication Critical patent/JPH0728798Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示す図、第２図は
その減磁特性曲線の比較図、第３図は従来例を示
す図である。 ２……振動板、４……第１磁気回路、９……第
２磁気回路、１３……コイルボビン。 FIG. 1 is a diagram showing an embodiment of the present invention, FIG. 2 is a comparison diagram of its demagnetization characteristic curve, and FIG. 3 is a diagram showing a conventional example. 2... Vibration plate, 4 ... First magnetic circuit, 9 ... Second magnetic circuit, 13... Coil bobbin.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 振動板の一面側に第１磁気回路を配置すると共
にその反対側の音波放射面側に第２磁気回路を対
向配置し、この第１、第２磁気回路により振動板
を駆動するようにしたスピーカにおいて、前記第
２磁気回路の振動板面内方向の寸法を、第１磁気
回路の振動板面内方向の寸法よりも小に構成した
事を特徴とするスピーカ。 A speaker in which a first magnetic circuit is arranged on one side of a diaphragm, and a second magnetic circuit is arranged facing each other on the opposite side of the sound wave emitting surface, and the diaphragm is driven by the first and second magnetic circuits. A speaker characterized in that the dimension of the second magnetic circuit in the in-plane direction of the diaphragm is smaller than the dimension of the first magnetic circuit in the in-plane direction of the diaphragm.
JP1988067334U 1988-05-20 1988-05-20 Speaker Expired - Lifetime JPH0728798Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988067334U JPH0728798Y2 (en) 1988-05-20 1988-05-20 Speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988067334U JPH0728798Y2 (en) 1988-05-20 1988-05-20 Speaker

Publications (2)

Publication Number Publication Date
JPH01169900U true JPH01169900U (en) 1989-11-30
JPH0728798Y2 JPH0728798Y2 (en) 1995-06-28

Family

ID=31292707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988067334U Expired - Lifetime JPH0728798Y2 (en) 1988-05-20 1988-05-20 Speaker

Country Status (1)

Country Link
JP (1) JPH0728798Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59137696U (en) * 1983-03-02 1984-09-13 松下電器産業株式会社 digital speaker

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59137696U (en) * 1983-03-02 1984-09-13 松下電器産業株式会社 digital speaker

Also Published As

Publication number Publication date
JPH0728798Y2 (en) 1995-06-28

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