SE306570B - - Google Patents
Info
- Publication number
- SE306570B SE306570B SE1139865A SE1139865A SE306570B SE 306570 B SE306570 B SE 306570B SE 1139865 A SE1139865 A SE 1139865A SE 1139865 A SE1139865 A SE 1139865A SE 306570 B SE306570 B SE 306570B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/28—Reducing interference caused by currents induced in cable sheathing or armouring
-
- 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
- H04M1/745—Protection devices or circuits for voltages surges on the line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Emergency Protection Circuit Devices (AREA)
- Drying Of Solid Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK0053915 | 1964-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE306570B true SE306570B (xx) | 1968-12-02 |
Family
ID=7226902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1139865A SE306570B (xx) | 1964-09-03 | 1965-09-01 |
Country Status (6)
| Country | Link |
|---|---|
| AT (2) | AT271574B (xx) |
| CH (1) | CH443428A (xx) |
| DE (1) | DE1465799C3 (xx) |
| GB (1) | GB1098478A (xx) |
| NO (1) | NO119361B (xx) |
| SE (1) | SE306570B (xx) |
-
1964
- 1964-09-03 DE DE19641465799 patent/DE1465799C3/de not_active Expired
-
1965
- 1965-08-19 AT AT764065A patent/AT271574B/de active
- 1965-08-19 AT AT1011667A patent/AT277327B/de not_active IP Right Cessation
- 1965-08-31 NO NO15955265A patent/NO119361B/no unknown
- 1965-09-01 SE SE1139865A patent/SE306570B/xx unknown
- 1965-09-02 GB GB3757465A patent/GB1098478A/en not_active Expired
- 1965-09-03 CH CH1232865A patent/CH443428A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO119361B (xx) | 1970-05-11 |
| AT271574B (de) | 1969-06-10 |
| DE1465799A1 (de) | 1969-05-08 |
| GB1098478A (en) | 1968-01-10 |
| DE1465799B2 (de) | 1972-09-28 |
| AT277327B (de) | 1969-12-29 |
| CH443428A (de) | 1967-09-15 |
| DE1465799C3 (de) | 1974-10-17 |