JPS6127262Y2 - - Google Patents

Info

Publication number
JPS6127262Y2
JPS6127262Y2 JP4791981U JP4791981U JPS6127262Y2 JP S6127262 Y2 JPS6127262 Y2 JP S6127262Y2 JP 4791981 U JP4791981 U JP 4791981U JP 4791981 U JP4791981 U JP 4791981U JP S6127262 Y2 JPS6127262 Y2 JP S6127262Y2
Authority
JP
Japan
Prior art keywords
speaker
duct
case
speaker unit
helmet
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
JP4791981U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57160283U (enrdf_load_stackoverflow
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 JP4791981U priority Critical patent/JPS6127262Y2/ja
Publication of JPS57160283U publication Critical patent/JPS57160283U/ja
Application granted granted Critical
Publication of JPS6127262Y2 publication Critical patent/JPS6127262Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Headphones And Earphones (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP4791981U 1981-04-02 1981-04-02 Expired JPS6127262Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4791981U JPS6127262Y2 (enrdf_load_stackoverflow) 1981-04-02 1981-04-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4791981U JPS6127262Y2 (enrdf_load_stackoverflow) 1981-04-02 1981-04-02

Publications (2)

Publication Number Publication Date
JPS57160283U JPS57160283U (enrdf_load_stackoverflow) 1982-10-07
JPS6127262Y2 true JPS6127262Y2 (enrdf_load_stackoverflow) 1986-08-14

Family

ID=29844683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4791981U Expired JPS6127262Y2 (enrdf_load_stackoverflow) 1981-04-02 1981-04-02

Country Status (1)

Country Link
JP (1) JPS6127262Y2 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144984U (ja) * 1982-03-25 1983-09-29 本田技研工業株式会社 ヘルメツト用スピ−カ
JP2006287674A (ja) * 2005-04-01 2006-10-19 Victor Co Of Japan Ltd バスレフ型ヘッドホン
CN113170248A (zh) 2018-12-14 2021-07-23 索尼集团公司 扬声器装置

Also Published As

Publication number Publication date
JPS57160283U (enrdf_load_stackoverflow) 1982-10-07

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