JPH0359758U - - Google Patents
Info
- Publication number
- JPH0359758U JPH0359758U JP11921689U JP11921689U JPH0359758U JP H0359758 U JPH0359758 U JP H0359758U JP 11921689 U JP11921689 U JP 11921689U JP 11921689 U JP11921689 U JP 11921689U JP H0359758 U JPH0359758 U JP H0359758U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- detection circuit
- relay
- detection
- circuit
- 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 17
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Prepayment Telephone Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11921689U JPH0359758U (enrdf_load_html_response) | 1989-10-13 | 1989-10-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11921689U JPH0359758U (enrdf_load_html_response) | 1989-10-13 | 1989-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0359758U true JPH0359758U (enrdf_load_html_response) | 1991-06-12 |
Family
ID=31667350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11921689U Pending JPH0359758U (enrdf_load_html_response) | 1989-10-13 | 1989-10-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0359758U (enrdf_load_html_response) |
-
1989
- 1989-10-13 JP JP11921689U patent/JPH0359758U/ja active Pending
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