BE633073A - - Google Patents
Info
- Publication number
- BE633073A BE633073A BE633073DA BE633073A BE 633073 A BE633073 A BE 633073A BE 633073D A BE633073D A BE 633073DA BE 633073 A BE633073 A BE 633073A
- 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
- H04M1/76—Compensating for differences in line impedance
-
- 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)
- Devices For Supply Of Signal Current (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES79696A DE1165670B (de) | 1962-05-30 | 1962-05-30 | Schaltungsanordnung zum automatischen ausregeln des Daempfungsunterschiedes verschiedener Fernsprechteilnehmeranschluesse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE633073A true BE633073A (ja�@�@) |
Family
ID=7508380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE633073D BE633073A (ja�@�@) | 1962-05-30 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE633073A (ja�@�@) |
| CH (1) | CH401164A (ja�@�@) |
| DE (1) | DE1165670B (ja�@�@) |
| FI (1) | FI40475B (ja�@�@) |
| GB (1) | GB1010526A (ja�@�@) |
| SE (1) | SE311030B (ja�@�@) |
-
0
- BE BE633073D patent/BE633073A/xx unknown
-
1962
- 1962-05-30 DE DES79696A patent/DE1165670B/de active Pending
-
1963
- 1963-05-13 FI FI98463A patent/FI40475B/fi active
- 1963-05-29 SE SE594663A patent/SE311030B/xx unknown
- 1963-05-29 GB GB2143263A patent/GB1010526A/en not_active Expired
- 1963-05-29 CH CH671363A patent/CH401164A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH401164A (de) | 1965-10-31 |
| DE1165670B (de) | 1964-03-19 |
| SE311030B (ja�@�@) | 1969-05-27 |
| FI40475B (ja�@�@) | 1968-10-31 |
| GB1010526A (en) | 1965-11-17 |