BE516736A - - Google Patents
Info
- Publication number
- BE516736A BE516736A BE516736DA BE516736A BE 516736 A BE516736 A BE 516736A BE 516736D A BE516736D A BE 516736DA BE 516736 A BE516736 A BE 516736A
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1069320X | 1952-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE516736A true BE516736A (en:Method) |
Family
ID=4555817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE516736D BE516736A (en:Method) | 1952-01-28 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE516736A (en:Method) |
| CH (1) | CH302743A (en:Method) |
| FR (1) | FR1069320A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1042668B (de) * | 1955-02-17 | 1958-11-06 | Ericsson Telefon Ab L M | Schaltungsanordnung fuer mit Nummernstromstossgebern versehene Fernsprechapparate |
| CH345922A (de) * | 1957-01-03 | 1960-04-30 | Siemens Ag Albis | Telephonteilnehmerstation mit Rückhördämpfung für automatischen Betrieb |
-
0
- BE BE516736D patent/BE516736A/xx unknown
-
1952
- 1952-01-28 CH CH302743D patent/CH302743A/de unknown
- 1952-12-31 FR FR1069320D patent/FR1069320A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1069320A (fr) | 1954-07-06 |
| CH302743A (de) | 1954-10-31 |