FR853572A - Telecommunication system - Google Patents
Telecommunication systemInfo
- Publication number
- FR853572A FR853572A FR853572DA FR853572A FR 853572 A FR853572 A FR 853572A FR 853572D A FR853572D A FR 853572DA FR 853572 A FR853572 A FR 853572A
- Authority
- FR
- France
- Prior art keywords
- telecommunication system
- telecommunication
- 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
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US527936XA | 1938-04-28 | 1938-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR853572A true FR853572A (en) | 1940-03-22 |
Family
ID=21979924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR853572D Expired FR853572A (en) | 1938-04-28 | 1939-04-27 | Telecommunication system |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR853572A (en) |
GB (1) | GB527936A (en) |
-
1939
- 1939-04-24 GB GB12225/39A patent/GB527936A/en not_active Expired
- 1939-04-27 FR FR853572D patent/FR853572A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB527936A (en) | 1940-10-18 |
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