JPH0359787U - - Google Patents
Info
- Publication number
- JPH0359787U JPH0359787U JP12153289U JP12153289U JPH0359787U JP H0359787 U JPH0359787 U JP H0359787U JP 12153289 U JP12153289 U JP 12153289U JP 12153289 U JP12153289 U JP 12153289U JP H0359787 U JPH0359787 U JP H0359787U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- circuit
- loop
- relay
- coupling element
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12153289U JPH0359787U (zh) | 1989-10-16 | 1989-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12153289U JPH0359787U (zh) | 1989-10-16 | 1989-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0359787U true JPH0359787U (zh) | 1991-06-12 |
Family
ID=31669567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12153289U Pending JPH0359787U (zh) | 1989-10-16 | 1989-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0359787U (zh) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5439510A (en) * | 1977-09-05 | 1979-03-27 | Hitachi Ltd | Detection circuit for outgoing call |
-
1989
- 1989-10-16 JP JP12153289U patent/JPH0359787U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5439510A (en) * | 1977-09-05 | 1979-03-27 | Hitachi Ltd | Detection circuit for outgoing call |
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