JPS622863Y2 - - Google Patents

Info

Publication number
JPS622863Y2
JPS622863Y2 JP3033881U JP3033881U JPS622863Y2 JP S622863 Y2 JPS622863 Y2 JP S622863Y2 JP 3033881 U JP3033881 U JP 3033881U JP 3033881 U JP3033881 U JP 3033881U JP S622863 Y2 JPS622863 Y2 JP S622863Y2
Authority
JP
Japan
Prior art keywords
holes
sound
headphone
sound pressure
acoustic resistance
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.)
Expired
Application number
JP3033881U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57143777U (enExample
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 JP3033881U priority Critical patent/JPS622863Y2/ja
Publication of JPS57143777U publication Critical patent/JPS57143777U/ja
Application granted granted Critical
Publication of JPS622863Y2 publication Critical patent/JPS622863Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Headphones And Earphones (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP3033881U 1981-03-06 1981-03-06 Expired JPS622863Y2 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3033881U JPS622863Y2 (enExample) 1981-03-06 1981-03-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3033881U JPS622863Y2 (enExample) 1981-03-06 1981-03-06

Publications (2)

Publication Number Publication Date
JPS57143777U JPS57143777U (enExample) 1982-09-09
JPS622863Y2 true JPS622863Y2 (enExample) 1987-01-22

Family

ID=29827854

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3033881U Expired JPS622863Y2 (enExample) 1981-03-06 1981-03-06

Country Status (1)

Country Link
JP (1) JPS622863Y2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4214868B2 (ja) * 2003-09-04 2009-01-28 パナソニック株式会社 電気音響変換器およびこれを用いた電子機器
JP2014225752A (ja) * 2013-05-15 2014-12-04 ホシデン株式会社 ヘッドフォン
WO2016031044A1 (ja) * 2014-08-29 2016-03-03 Ｐｉｏｎｅｅｒ ＤＪ株式会社 ヘッドホン

Also Published As

Publication number Publication date
JPS57143777U (enExample) 1982-09-09

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