JPS62201800U - - Google Patents
Info
- Publication number
- JPS62201800U JPS62201800U JP1986091568U JP9156886U JPS62201800U JP S62201800 U JPS62201800 U JP S62201800U JP 1986091568 U JP1986091568 U JP 1986091568U JP 9156886 U JP9156886 U JP 9156886U JP S62201800 U JPS62201800 U JP S62201800U
- Authority
- JP
- Japan
- Prior art keywords
- person
- circuit
- audio
- level
- distance
- 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.)
- Pending
Links
- 238000012795 verification Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986091568U JPS62201800U (en]) | 1986-06-16 | 1986-06-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986091568U JPS62201800U (en]) | 1986-06-16 | 1986-06-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62201800U true JPS62201800U (en]) | 1987-12-23 |
Family
ID=30952472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986091568U Pending JPS62201800U (en]) | 1986-06-16 | 1986-06-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62201800U (en]) |
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1986
- 1986-06-16 JP JP1986091568U patent/JPS62201800U/ja active Pending