JPS6172952U - - Google Patents
Info
- Publication number
- JPS6172952U JPS6172952U JP15890184U JP15890184U JPS6172952U JP S6172952 U JPS6172952 U JP S6172952U JP 15890184 U JP15890184 U JP 15890184U JP 15890184 U JP15890184 U JP 15890184U JP S6172952 U JPS6172952 U JP S6172952U
- Authority
- JP
- Japan
- Prior art keywords
- night
- detecting
- changing
- control circuit
- volume control
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15890184U JPS6172952U (sh) | 1984-10-19 | 1984-10-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15890184U JPS6172952U (sh) | 1984-10-19 | 1984-10-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6172952U true JPS6172952U (sh) | 1986-05-17 |
Family
ID=30716868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15890184U Pending JPS6172952U (sh) | 1984-10-19 | 1984-10-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6172952U (sh) |
-
1984
- 1984-10-19 JP JP15890184U patent/JPS6172952U/ja active Pending
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