JPS63173954U - - Google Patents
Info
- Publication number
- JPS63173954U JPS63173954U JP6493887U JP6493887U JPS63173954U JP S63173954 U JPS63173954 U JP S63173954U JP 6493887 U JP6493887 U JP 6493887U JP 6493887 U JP6493887 U JP 6493887U JP S63173954 U JPS63173954 U JP S63173954U
- Authority
- JP
- Japan
- Prior art keywords
- state detection
- microphone
- detection unit
- handset
- earpiece
- 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 7
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Telephone Set Structure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6493887U JPS63173954U (lt) | 1987-04-28 | 1987-04-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6493887U JPS63173954U (lt) | 1987-04-28 | 1987-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63173954U true JPS63173954U (lt) | 1988-11-11 |
Family
ID=30901554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6493887U Pending JPS63173954U (lt) | 1987-04-28 | 1987-04-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63173954U (lt) |
-
1987
- 1987-04-28 JP JP6493887U patent/JPS63173954U/ja active Pending