JPH01143548U - - Google Patents
Info
- Publication number
- JPH01143548U JPH01143548U JP1988038902U JP3890288U JPH01143548U JP H01143548 U JPH01143548 U JP H01143548U JP 1988038902 U JP1988038902 U JP 1988038902U JP 3890288 U JP3890288 U JP 3890288U JP H01143548 U JPH01143548 U JP H01143548U
- Authority
- JP
- Japan
- Prior art keywords
- call
- telephone
- detecting
- signal
- character
- 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 6
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Meter Arrangements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988038902U JPH01143548U (en, 2012) | 1988-03-24 | 1988-03-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988038902U JPH01143548U (en, 2012) | 1988-03-24 | 1988-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01143548U true JPH01143548U (en, 2012) | 1989-10-02 |
Family
ID=31265439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988038902U Pending JPH01143548U (en, 2012) | 1988-03-24 | 1988-03-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01143548U (en, 2012) |
-
1988
- 1988-03-24 JP JP1988038902U patent/JPH01143548U/ja active Pending
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