JPH01162970U - - Google Patents
Info
- Publication number
- JPH01162970U JPH01162970U JP5980988U JP5980988U JPH01162970U JP H01162970 U JPH01162970 U JP H01162970U JP 5980988 U JP5980988 U JP 5980988U JP 5980988 U JP5980988 U JP 5980988U JP H01162970 U JPH01162970 U JP H01162970U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output signal
- tone signal
- detection circuit
- input level
- 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 2
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Landscapes
- Facsimile Transmission Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5980988U JPH01162970U (enExample) | 1988-05-07 | 1988-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5980988U JPH01162970U (enExample) | 1988-05-07 | 1988-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162970U true JPH01162970U (enExample) | 1989-11-14 |
Family
ID=31285548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5980988U Pending JPH01162970U (enExample) | 1988-05-07 | 1988-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162970U (enExample) |
-
1988
- 1988-05-07 JP JP5980988U patent/JPH01162970U/ja active Pending