BE510952A - - Google Patents
Info
- Publication number
- BE510952A BE510952A BE510952DA BE510952A BE 510952 A BE510952 A BE 510952A BE 510952D A BE510952D A BE 510952DA BE 510952 A BE510952 A BE 510952A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/58—Anti-side-tone circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1492157A GB863642A (en) | 1957-05-10 | 1957-05-10 | Improvements in or relating to telephone sub-sets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE510952A true BE510952A (US20070167544A1-20070719-C00007.png) |
Family
ID=10049919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE510952D BE510952A (US20070167544A1-20070719-C00007.png) | 1957-05-10 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE510952A (US20070167544A1-20070719-C00007.png) |
| GB (2) | GB706785A (US20070167544A1-20070719-C00007.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL269902A (US20070167544A1-20070719-C00007.png) * | 1960-10-07 |
-
0
- BE BE510952D patent/BE510952A/xx unknown
-
1951
- 1951-04-26 GB GB976751A patent/GB706785A/en not_active Expired
-
1957
- 1957-05-10 GB GB1492157A patent/GB863642A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB706785A (en) | 1954-04-07 |
| GB863642A (en) | 1961-03-22 |
