JPH0422627Y2 - - Google Patents

Info

Publication number
JPH0422627Y2
JPH0422627Y2 JP1986045589U JP4558986U JPH0422627Y2 JP H0422627 Y2 JPH0422627 Y2 JP H0422627Y2 JP 1986045589 U JP1986045589 U JP 1986045589U JP 4558986 U JP4558986 U JP 4558986U JP H0422627 Y2 JPH0422627 Y2 JP H0422627Y2
Authority
JP
Japan
Prior art keywords
microphone
attached
hard hat
elastic
support member
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
JP1986045589U
Other languages
English (en)
Japanese (ja)
Other versions
JPS62158991U (en]
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 JP1986045589U priority Critical patent/JPH0422627Y2/ja
Publication of JPS62158991U publication Critical patent/JPS62158991U/ja
Application granted granted Critical
Publication of JPH0422627Y2 publication Critical patent/JPH0422627Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP1986045589U 1986-03-28 1986-03-28 Expired JPH0422627Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986045589U JPH0422627Y2 (en]) 1986-03-28 1986-03-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986045589U JPH0422627Y2 (en]) 1986-03-28 1986-03-28

Publications (2)

Publication Number Publication Date
JPS62158991U JPS62158991U (en]) 1987-10-08
JPH0422627Y2 true JPH0422627Y2 (en]) 1992-05-25

Family

ID=30864460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986045589U Expired JPH0422627Y2 (en]) 1986-03-28 1986-03-28

Country Status (1)

Country Link
JP (1) JPH0422627Y2 (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5436154B2 (ja) * 2009-11-10 2014-03-05 アツデン株式会社 帽体用ヘッドセット
JP7704671B2 (ja) * 2021-12-24 2025-07-08 株式会社鷺宮製作所 音圧計測装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107319U (en]) * 1975-02-25 1976-08-27

Also Published As

Publication number Publication date
JPS62158991U (en]) 1987-10-08

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