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JPS4730443Y1 - - Google Patents

Info

Publication number
JPS4730443Y1
JPS4730443Y1 JP1968098446U JP9844668U JPS4730443Y1 JP S4730443 Y1 JPS4730443 Y1 JP S4730443Y1 JP 1968098446 U JP1968098446 U JP 1968098446U JP 9844668 U JP9844668 U JP 9844668U JP S4730443 Y1 JPS4730443 Y1 JP S4730443Y1
Authority
JP
Japan
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
Application number
JP1968098446U
Other languages
Japanese (ja)
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 JP1968098446U priority Critical patent/JPS4730443Y1/ja
Publication of JPS4730443Y1 publication Critical patent/JPS4730443Y1/ja
Expired legal-status Critical Current

Links

Landscapes

  • Diaphragms For Electromechanical Transducers (AREA)
JP1968098446U 1968-11-13 1968-11-13 Expired JPS4730443Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1968098446U JPS4730443Y1 (en) 1968-11-13 1968-11-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1968098446U JPS4730443Y1 (en) 1968-11-13 1968-11-13

Publications (1)

Publication Number Publication Date
JPS4730443Y1 true JPS4730443Y1 (en) 1972-09-12

Family

ID=42927191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1968098446U Expired JPS4730443Y1 (en) 1968-11-13 1968-11-13

Country Status (1)

Country Link
JP (1) JPS4730443Y1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003101148A1 (en) * 2002-05-28 2003-12-04 Sony Corporation Speaker with diaphragm reinforcing ring
JP2007235553A (en) * 2006-03-01 2007-09-13 Pioneer Electronic Corp Dome diaphragm, and speaker apparatus
DE102014224061B4 (en) 2013-12-19 2022-04-07 Apple Inc. Three-part membrane speaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003101148A1 (en) * 2002-05-28 2003-12-04 Sony Corporation Speaker with diaphragm reinforcing ring
JP2007235553A (en) * 2006-03-01 2007-09-13 Pioneer Electronic Corp Dome diaphragm, and speaker apparatus
DE102014224061B4 (en) 2013-12-19 2022-04-07 Apple Inc. Three-part membrane speaker

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