JPH01175038U - - Google Patents
Info
- Publication number
- JPH01175038U JPH01175038U JP7189288U JP7189288U JPH01175038U JP H01175038 U JPH01175038 U JP H01175038U JP 7189288 U JP7189288 U JP 7189288U JP 7189288 U JP7189288 U JP 7189288U JP H01175038 U JPH01175038 U JP H01175038U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- transmitter
- detection signal
- ringing
- receiver
- 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 3
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7189288U JPH01175038U (no) | 1988-05-30 | 1988-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7189288U JPH01175038U (no) | 1988-05-30 | 1988-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01175038U true JPH01175038U (no) | 1989-12-13 |
Family
ID=31297079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7189288U Pending JPH01175038U (no) | 1988-05-30 | 1988-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01175038U (no) |
-
1988
- 1988-05-30 JP JP7189288U patent/JPH01175038U/ja active Pending