JPS63125819U - - Google Patents

Info

Publication number
JPS63125819U
JPS63125819U JP1912087U JP1912087U JPS63125819U JP S63125819 U JPS63125819 U JP S63125819U JP 1912087 U JP1912087 U JP 1912087U JP 1912087 U JP1912087 U JP 1912087U JP S63125819 U JPS63125819 U JP S63125819U
Authority
JP
Japan
Prior art keywords
sound
frequency range
sound collector
specific frequency
spectacle frame
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
JP1912087U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0310492Y2 (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 JP1987019120U priority Critical patent/JPH0310492Y2/ja
Publication of JPS63125819U publication Critical patent/JPS63125819U/ja
Application granted granted Critical
Publication of JPH0310492Y2 publication Critical patent/JPH0310492Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Eyeglasses (AREA)
JP1987019120U 1987-02-12 1987-02-12 Expired JPH0310492Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987019120U JPH0310492Y2 (enrdf_load_stackoverflow) 1987-02-12 1987-02-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987019120U JPH0310492Y2 (enrdf_load_stackoverflow) 1987-02-12 1987-02-12

Publications (2)

Publication Number Publication Date
JPS63125819U true JPS63125819U (enrdf_load_stackoverflow) 1988-08-17
JPH0310492Y2 JPH0310492Y2 (enrdf_load_stackoverflow) 1991-03-15

Family

ID=30813433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987019120U Expired JPH0310492Y2 (enrdf_load_stackoverflow) 1987-02-12 1987-02-12

Country Status (1)

Country Link
JP (1) JPH0310492Y2 (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734720A (en) * 1980-08-08 1982-02-25 Tokyo Shibaura Electric Co Protection relay unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734720A (en) * 1980-08-08 1982-02-25 Tokyo Shibaura Electric Co Protection relay unit

Also Published As

Publication number Publication date
JPH0310492Y2 (enrdf_load_stackoverflow) 1991-03-15

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