JPH0437860Y2 - - Google Patents

Info

Publication number
JPH0437860Y2
JPH0437860Y2 JP1987104267U JP10426787U JPH0437860Y2 JP H0437860 Y2 JPH0437860 Y2 JP H0437860Y2 JP 1987104267 U JP1987104267 U JP 1987104267U JP 10426787 U JP10426787 U JP 10426787U JP H0437860 Y2 JPH0437860 Y2 JP H0437860Y2
Authority
JP
Japan
Prior art keywords
helmet
ultrasonic
circuit
belt
power supply
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
JP1987104267U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6410036U (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 JP1987104267U priority Critical patent/JPH0437860Y2/ja
Publication of JPS6410036U publication Critical patent/JPS6410036U/ja
Application granted granted Critical
Publication of JPH0437860Y2 publication Critical patent/JPH0437860Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Helmets And Other Head Coverings (AREA)
JP1987104267U 1987-07-07 1987-07-07 Expired JPH0437860Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987104267U JPH0437860Y2 (en]) 1987-07-07 1987-07-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987104267U JPH0437860Y2 (en]) 1987-07-07 1987-07-07

Publications (2)

Publication Number Publication Date
JPS6410036U JPS6410036U (en]) 1989-01-19
JPH0437860Y2 true JPH0437860Y2 (en]) 1992-09-04

Family

ID=31335833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987104267U Expired JPH0437860Y2 (en]) 1987-07-07 1987-07-07

Country Status (1)

Country Link
JP (1) JPH0437860Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2536080Y2 (ja) * 1992-06-12 1997-05-21 高砂熱学工業株式会社 作業場用ヘルメット

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136810A (ja) * 1982-02-04 1983-08-15 中川　秀一 ヘルメツト
JPH0143371Y2 (en]) * 1985-03-12 1989-12-15

Also Published As

Publication number Publication date
JPS6410036U (en]) 1989-01-19

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