BE364499A - - Google Patents
Info
- Publication number
- BE364499A BE364499A BE364499DA BE364499A BE 364499 A BE364499 A BE 364499A BE 364499D A BE364499D A BE 364499DA BE 364499 A BE364499 A BE 364499A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE682965X | 1929-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE364499A true BE364499A (en:Method) |
Family
ID=20314968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE364499D BE364499A (en:Method) | 1929-03-07 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE364499A (en:Method) |
| FR (1) | FR682965A (en:Method) |
-
0
- BE BE364499D patent/BE364499A/xx unknown
-
1929
- 1929-10-09 FR FR682965D patent/FR682965A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR682965A (fr) | 1930-06-04 |