JPS6345108Y2 - - Google Patents

Info

Publication number
JPS6345108Y2
JPS6345108Y2 JP6933682U JP6933682U JPS6345108Y2 JP S6345108 Y2 JPS6345108 Y2 JP S6345108Y2 JP 6933682 U JP6933682 U JP 6933682U JP 6933682 U JP6933682 U JP 6933682U JP S6345108 Y2 JPS6345108 Y2 JP S6345108Y2
Authority
JP
Japan
Prior art keywords
microphone
sound
helmet
speaker
housing
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
JP6933682U
Other languages
English (en)
Japanese (ja)
Other versions
JPS58172290U (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 JP6933682U priority Critical patent/JPS58172290U/ja
Priority to US06/477,926 priority patent/US4517417A/en
Publication of JPS58172290U publication Critical patent/JPS58172290U/ja
Application granted granted Critical
Publication of JPS6345108Y2 publication Critical patent/JPS6345108Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP6933682U 1982-03-25 1982-05-12 マイクロホン装置 Granted JPS58172290U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP6933682U JPS58172290U (ja) 1982-05-12 1982-05-12 マイクロホン装置
US06/477,926 US4517417A (en) 1982-03-25 1983-03-23 Communication system for a motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6933682U JPS58172290U (ja) 1982-05-12 1982-05-12 マイクロホン装置

Publications (2)

Publication Number Publication Date
JPS58172290U JPS58172290U (ja) 1983-11-17
JPS6345108Y2 true JPS6345108Y2 (en]) 1988-11-22

Family

ID=30079068

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6933682U Granted JPS58172290U (ja) 1982-03-25 1982-05-12 マイクロホン装置

Country Status (1)

Country Link
JP (1) JPS58172290U (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0650499Y2 (ja) * 1989-01-18 1994-12-21 本田技研工業株式会社 電装品付ヘルメット

Also Published As

Publication number Publication date
JPS58172290U (ja) 1983-11-17

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