JPS6316221Y2 - - Google Patents

Info

Publication number
JPS6316221Y2
JPS6316221Y2 JP4217782U JP4217782U JPS6316221Y2 JP S6316221 Y2 JPS6316221 Y2 JP S6316221Y2 JP 4217782 U JP4217782 U JP 4217782U JP 4217782 U JP4217782 U JP 4217782U JP S6316221 Y2 JPS6316221 Y2 JP S6316221Y2
Authority
JP
Japan
Prior art keywords
helmet
speaker
wall
curvature
guide tube
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
JP4217782U
Other languages
English (en)
Japanese (ja)
Other versions
JPS58144983U (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 JP4217782U priority Critical patent/JPS58144983U/ja
Priority to US06/477,926 priority patent/US4517417A/en
Publication of JPS58144983U publication Critical patent/JPS58144983U/ja
Application granted granted Critical
Publication of JPS6316221Y2 publication Critical patent/JPS6316221Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Headphones And Earphones (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP4217782U 1982-03-25 1982-03-25 ヘルメツト用スピ−カ装置 Granted JPS58144983U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4217782U JPS58144983U (ja) 1982-03-25 1982-03-25 ヘルメツト用スピ−カ装置
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
JP4217782U JPS58144983U (ja) 1982-03-25 1982-03-25 ヘルメツト用スピ−カ装置

Publications (2)

Publication Number Publication Date
JPS58144983U JPS58144983U (ja) 1983-09-29
JPS6316221Y2 true JPS6316221Y2 (enEXAMPLES) 1988-05-09

Family

ID=30053317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4217782U Granted JPS58144983U (ja) 1982-03-25 1982-03-25 ヘルメツト用スピ−カ装置

Country Status (1)

Country Link
JP (1) JPS58144983U (enEXAMPLES)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01221504A (ja) * 1988-02-28 1989-09-05 Honda Motor Co Ltd ヘルメットの音響装置

Also Published As

Publication number Publication date
JPS58144983U (ja) 1983-09-29

Similar Documents

Publication Publication Date Title
US4538034A (en) Earphone assembly
US7133532B2 (en) Hearing protection and communication assembly
US6970572B2 (en) Headphone device
US4972468A (en) Transceiver for hanging on an ear
US6456721B1 (en) Headset with bone conduction speaker and microphone
EP2611210A1 (en) Ear speaker
JP2002506297A (ja) イヤホン使用時の痛みを防止するための緩衝カバー
JPH0577765B2 (enEXAMPLES)
EP0519621A1 (en) Speech transmitter
JP3882211B2 (ja) イヤホン装置
JP2006229373A (ja) 骨伝導送受話ヘッドバンドまたはキャップ
JPS6316221Y2 (enEXAMPLES)
US20070116318A1 (en) Hearing protection and communication assembly
JP2000201390A (ja) ヘッドホン
JPS5934227Y2 (ja) ヘルメツト用スピ−カ
JPS5934228Y2 (ja) ヘルメツト用スピ−カ
JPS643267Y2 (enEXAMPLES)
JPS643269Y2 (enEXAMPLES)
JPH11229226A (ja) スピーカー付きヘルメット
JP3037111U (ja) 学習器具
TW431112B (en) Headset apparatus
JPH105197A (ja) 聴力測定用受話器
JPS6349020Y2 (enEXAMPLES)
JPH0746997Y2 (ja) 受話装置
US11546681B2 (en) Speaker