JPH032757U - - Google Patents
Info
- Publication number
- JPH032757U JPH032757U JP6199689U JP6199689U JPH032757U JP H032757 U JPH032757 U JP H032757U JP 6199689 U JP6199689 U JP 6199689U JP 6199689 U JP6199689 U JP 6199689U JP H032757 U JPH032757 U JP H032757U
- Authority
- JP
- Japan
- Prior art keywords
- telephone line
- switch
- telephone
- handset
- closed
- 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 2
- 230000002265 prevention Effects 0.000 description 2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6199689U JPH032757U (fr) | 1989-05-29 | 1989-05-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6199689U JPH032757U (fr) | 1989-05-29 | 1989-05-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH032757U true JPH032757U (fr) | 1991-01-11 |
Family
ID=31590745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6199689U Pending JPH032757U (fr) | 1989-05-29 | 1989-05-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH032757U (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6436154A (en) * | 1987-07-30 | 1989-02-07 | Toshio Kondo | Telephone set permanent call preventing circuit |
-
1989
- 1989-05-29 JP JP6199689U patent/JPH032757U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6436154A (en) * | 1987-07-30 | 1989-02-07 | Toshio Kondo | Telephone set permanent call preventing circuit |