JPS61108321U - - Google Patents

Info

Publication number
JPS61108321U
JPS61108321U JP19190884U JP19190884U JPS61108321U JP S61108321 U JPS61108321 U JP S61108321U JP 19190884 U JP19190884 U JP 19190884U JP 19190884 U JP19190884 U JP 19190884U JP S61108321 U JPS61108321 U JP S61108321U
Authority
JP
Japan
Prior art keywords
helmet
collecting plate
sound collecting
cheek part
pickup
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.)
Granted
Application number
JP19190884U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0129207Y2 (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 JP1984191908U priority Critical patent/JPH0129207Y2/ja
Publication of JPS61108321U publication Critical patent/JPS61108321U/ja
Application granted granted Critical
Publication of JPH0129207Y2 publication Critical patent/JPH0129207Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP1984191908U 1984-12-18 1984-12-18 Expired JPH0129207Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984191908U JPH0129207Y2 (enrdf_load_stackoverflow) 1984-12-18 1984-12-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984191908U JPH0129207Y2 (enrdf_load_stackoverflow) 1984-12-18 1984-12-18

Publications (2)

Publication Number Publication Date
JPS61108321U true JPS61108321U (enrdf_load_stackoverflow) 1986-07-09
JPH0129207Y2 JPH0129207Y2 (enrdf_load_stackoverflow) 1989-09-06

Family

ID=30749340

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984191908U Expired JPH0129207Y2 (enrdf_load_stackoverflow) 1984-12-18 1984-12-18

Country Status (1)

Country Link
JP (1) JPH0129207Y2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003013300A1 (fr) * 2001-07-09 2003-02-20 Nagashima, Kouki Casque

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155836U (enrdf_load_stackoverflow) * 1980-05-06 1980-11-10
JPS56156833U (enrdf_load_stackoverflow) * 1980-04-22 1981-11-24

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56156833U (enrdf_load_stackoverflow) * 1980-04-22 1981-11-24
JPS55155836U (enrdf_load_stackoverflow) * 1980-05-06 1980-11-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003013300A1 (fr) * 2001-07-09 2003-02-20 Nagashima, Kouki Casque

Also Published As

Publication number Publication date
JPH0129207Y2 (enrdf_load_stackoverflow) 1989-09-06

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