JPS61163448U - - Google Patents
Info
- Publication number
- JPS61163448U JPS61163448U JP3957785U JP3957785U JPS61163448U JP S61163448 U JPS61163448 U JP S61163448U JP 3957785 U JP3957785 U JP 3957785U JP 3957785 U JP3957785 U JP 3957785U JP S61163448 U JPS61163448 U JP S61163448U
- Authority
- JP
- Japan
- Prior art keywords
- frequency characteristic
- component
- telephone
- telephone line
- detected
- 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 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3957785U JPS61163448U (un) | 1985-03-18 | 1985-03-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3957785U JPS61163448U (un) | 1985-03-18 | 1985-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61163448U true JPS61163448U (un) | 1986-10-09 |
Family
ID=30547653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3957785U Pending JPS61163448U (un) | 1985-03-18 | 1985-03-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61163448U (un) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5477552A (en) * | 1977-11-17 | 1979-06-21 | Matsushita Graphic Communic | Optimum equalizer |
JPS5885660A (ja) * | 1981-11-18 | 1983-05-23 | Nec Corp | 受話器用増幅器 |
-
1985
- 1985-03-18 JP JP3957785U patent/JPS61163448U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5477552A (en) * | 1977-11-17 | 1979-06-21 | Matsushita Graphic Communic | Optimum equalizer |
JPS5885660A (ja) * | 1981-11-18 | 1983-05-23 | Nec Corp | 受話器用増幅器 |
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