ES374943A1 - Subestacion de telecomunicacion con transmision ecualizada. - Google Patents
Subestacion de telecomunicacion con transmision ecualizada.Info
- Publication number
- ES374943A1 ES374943A1 ES374943A ES374943A ES374943A1 ES 374943 A1 ES374943 A1 ES 374943A1 ES 374943 A ES374943 A ES 374943A ES 374943 A ES374943 A ES 374943A ES 374943 A1 ES374943 A1 ES 374943A1
- Authority
- ES
- Spain
- Prior art keywords
- substation
- circuit
- series
- compensation
- diodes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE726061 | 1968-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES374943A1 true ES374943A1 (es) | 1972-02-16 |
Family
ID=3854022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES374943A Expired ES374943A1 (es) | 1968-12-27 | 1969-12-26 | Subestacion de telecomunicacion con transmision ecualizada. |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE726061A (de) |
ES (1) | ES374943A1 (de) |
FR (1) | FR2027214A1 (de) |
GB (1) | GB1241268A (de) |
IL (1) | IL33605A (de) |
NL (1) | NL6919249A (de) |
-
1968
- 1968-12-27 BE BE726061D patent/BE726061A/xx unknown
-
1969
- 1969-12-18 GB GB61704/69A patent/GB1241268A/en not_active Expired
- 1969-12-23 NL NL6919249A patent/NL6919249A/xx unknown
- 1969-12-24 FR FR6944948A patent/FR2027214A1/fr not_active Withdrawn
- 1969-12-25 IL IL33605A patent/IL33605A/xx unknown
- 1969-12-26 ES ES374943A patent/ES374943A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1241268A (en) | 1971-08-04 |
IL33605A0 (en) | 1970-02-19 |
NL6919249A (de) | 1970-06-30 |
BE726061A (de) | 1969-06-27 |
IL33605A (en) | 1973-05-31 |
FR2027214A1 (de) | 1970-09-25 |
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