JPH02101652U - - Google Patents
Info
- Publication number
- JPH02101652U JPH02101652U JP1055189U JP1055189U JPH02101652U JP H02101652 U JPH02101652 U JP H02101652U JP 1055189 U JP1055189 U JP 1055189U JP 1055189 U JP1055189 U JP 1055189U JP H02101652 U JPH02101652 U JP H02101652U
- Authority
- JP
- Japan
- Prior art keywords
- telephones
- group
- line
- circuit
- detect
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1055189U JPH02101652U (fi) | 1989-01-30 | 1989-01-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1055189U JPH02101652U (fi) | 1989-01-30 | 1989-01-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02101652U true JPH02101652U (fi) | 1990-08-13 |
Family
ID=31218313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1055189U Pending JPH02101652U (fi) | 1989-01-30 | 1989-01-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02101652U (fi) |
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1989
- 1989-01-30 JP JP1055189U patent/JPH02101652U/ja active Pending