JPS4933709U - - Google Patents
Info
- Publication number
- JPS4933709U JPS4933709U JP7365872U JP7365872U JPS4933709U JP S4933709 U JPS4933709 U JP S4933709U JP 7365872 U JP7365872 U JP 7365872U JP 7365872 U JP7365872 U JP 7365872U JP S4933709 U JPS4933709 U JP S4933709U
- Authority
- JP
- Japan
- 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
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7365872U JPS4933709U (enFirst) | 1972-06-23 | 1972-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7365872U JPS4933709U (enFirst) | 1972-06-23 | 1972-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4933709U true JPS4933709U (enFirst) | 1974-03-25 |
Family
ID=27973810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7365872U Pending JPS4933709U (enFirst) | 1972-06-23 | 1972-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4933709U (enFirst) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002101021A (ja) * | 2000-09-26 | 2002-04-05 | Iwatsu Electric Co Ltd | エコー低減方法および電話装置 |
-
1972
- 1972-06-23 JP JP7365872U patent/JPS4933709U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002101021A (ja) * | 2000-09-26 | 2002-04-05 | Iwatsu Electric Co Ltd | エコー低減方法および電話装置 |