CH201775A - Schaltung zum Ausgleich der frequenzabhängigen Dämpfung von Fernsprechleitungen. - Google Patents
Schaltung zum Ausgleich der frequenzabhängigen Dämpfung von Fernsprechleitungen.Info
- Publication number
- CH201775A CH201775A CH201775DA CH201775A CH 201775 A CH201775 A CH 201775A CH 201775D A CH201775D A CH 201775DA CH 201775 A CH201775 A CH 201775A
- Authority
- CH
- Switzerland
- Prior art keywords
- compensate
- frequency
- circuit
- telephone lines
- dependent attenuation
- Prior art date
Links
- 230000001419 dependent effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/14—Control of transmission; Equalising characterised by the equalising network used
- H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
- H04B3/144—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers fixed equalizers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201775X | 1937-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH201775A true CH201775A (de) | 1938-12-15 |
Family
ID=5768019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH201775D CH201775A (de) | 1937-03-08 | 1938-03-05 | Schaltung zum Ausgleich der frequenzabhängigen Dämpfung von Fernsprechleitungen. |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH201775A (de) |
| FR (1) | FR834878A (de) |
-
1938
- 1938-03-05 CH CH201775D patent/CH201775A/de unknown
- 1938-03-07 FR FR834878D patent/FR834878A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR834878A (fr) | 1938-12-05 |
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