SE325058B - - Google Patents
Info
- Publication number
- SE325058B SE325058B SE14064/64A SE1406464A SE325058B SE 325058 B SE325058 B SE 325058B SE 14064/64 A SE14064/64 A SE 14064/64A SE 1406464 A SE1406464 A SE 1406464A SE 325058 B SE325058 B SE 325058B
- Authority
- SE
- Sweden
- Prior art keywords
- coil
- line current
- nov
- air gap
- magnetic core
- Prior art date
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)
- Coils Or Transformers For Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2417763 | 1963-11-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE325058B true SE325058B (it) | 1970-06-22 |
Family
ID=11212378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE14064/64A SE325058B (it) | 1963-11-27 | 1964-11-20 |
Country Status (10)
Country | Link |
---|---|
US (1) | US3404238A (it) |
AT (1) | AT251663B (it) |
BE (1) | BE656274A (it) |
CH (1) | CH430800A (it) |
ES (1) | ES306459A1 (it) |
FI (1) | FI41409B (it) |
GB (1) | GB1050226A (it) |
LU (1) | LU47453A1 (it) |
NL (1) | NL6412328A (it) |
SE (1) | SE325058B (it) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB655774A (en) * | 1950-05-15 | 1951-08-01 | Standard Telephones Cables Ltd | Improvements in or relating to telephone substation circuit |
BE510745A (it) * | 1951-04-18 | |||
DE1036929B (de) * | 1955-10-14 | 1958-08-21 | Krone Kg | Gabelschaltung zum Anschluss von Zweidrahtleitungen unterschiedlicher Impedanz mit einem Differentialuebertrager |
-
0
- GB GB1050226D patent/GB1050226A/en active Active
-
1964
- 1964-10-22 NL NL6412328A patent/NL6412328A/xx unknown
- 1964-10-27 CH CH1397264A patent/CH430800A/it unknown
- 1964-10-28 AT AT913664A patent/AT251663B/de active
- 1964-11-20 SE SE14064/64A patent/SE325058B/xx unknown
- 1964-11-23 FI FI2459/64A patent/FI41409B/fi active
- 1964-11-26 BE BE656274D patent/BE656274A/xx not_active Expired
- 1964-11-26 ES ES0306459A patent/ES306459A1/es not_active Expired
- 1964-11-27 US US414348A patent/US3404238A/en not_active Expired - Lifetime
- 1964-11-27 LU LU47453A patent/LU47453A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CH430800A (it) | 1967-02-28 |
NL6412328A (it) | 1965-05-28 |
BE656274A (it) | 1965-03-16 |
LU47453A1 (it) | 1965-01-27 |
FI41409B (it) | 1969-07-31 |
GB1050226A (it) | |
AT251663B (de) | 1967-01-10 |
US3404238A (en) | 1968-10-01 |
ES306459A1 (es) | 1965-05-01 |
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