GB338352A - Improved means for the elimination of distortion in telephone lines - Google Patents
Improved means for the elimination of distortion in telephone linesInfo
- Publication number
- GB338352A GB338352A GB34021/29A GB3402129A GB338352A GB 338352 A GB338352 A GB 338352A GB 34021/29 A GB34021/29 A GB 34021/29A GB 3402129 A GB3402129 A GB 3402129A GB 338352 A GB338352 A GB 338352A
- Authority
- GB
- United Kingdom
- Prior art keywords
- line
- attenuation
- amplifying
- distortion
- valves
- 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
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
- H04B3/08—Control of transmission; Equalising by the transmitted signal in negative-feedback path of line amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Microwave Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE338352X | 1928-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB338352A true GB338352A (en) | 1930-11-20 |
Family
ID=20308300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB34021/29A Expired GB338352A (en) | 1928-11-09 | 1929-11-07 | Improved means for the elimination of distortion in telephone lines |
Country Status (5)
Country | Link |
---|---|
US (1) | US1930732A (enrdf_load_stackoverflow) |
DE (1) | DE597401C (enrdf_load_stackoverflow) |
FR (1) | FR684558A (enrdf_load_stackoverflow) |
GB (1) | GB338352A (enrdf_load_stackoverflow) |
NL (1) | NL28756C (enrdf_load_stackoverflow) |
-
0
- NL NL28756D patent/NL28756C/xx active
-
1929
- 1929-03-06 DE DET36507D patent/DE597401C/de not_active Expired
- 1929-11-06 US US405217A patent/US1930732A/en not_active Expired - Lifetime
- 1929-11-07 GB GB34021/29A patent/GB338352A/en not_active Expired
- 1929-11-07 FR FR684558D patent/FR684558A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR684558A (fr) | 1930-06-27 |
NL28756C (enrdf_load_stackoverflow) | |
US1930732A (en) | 1933-10-17 |
DE597401C (de) | 1934-05-24 |
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