FR645492A - Perfectionnements à la télégraphie - Google Patents
Perfectionnements à la télégraphieInfo
- Publication number
- FR645492A FR645492A FR645492DA FR645492A FR 645492 A FR645492 A FR 645492A FR 645492D A FR645492D A FR 645492DA FR 645492 A FR645492 A FR 645492A
- Authority
- FR
- France
- Prior art keywords
- telegraphy
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0266—Arrangements for providing Galvanic isolation, e.g. by means of magnetic or capacitive coupling
- H04L25/0268—Arrangements for providing Galvanic isolation, e.g. by means of magnetic or capacitive coupling with modulation and subsequent demodulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Eletrric Generators (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB20793/26A GB282476A (en) | 1926-08-23 | 1926-08-23 | Improvements in or relating to telegraphy |
Publications (1)
Publication Number | Publication Date |
---|---|
FR645492A true FR645492A (fr) | 1928-10-26 |
Family
ID=10151756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR645492D Expired FR645492A (fr) | 1926-08-23 | 1927-12-09 | Perfectionnements à la télégraphie |
Country Status (4)
Country | Link |
---|---|
US (1) | US1682941A (fr) |
DE (1) | DE539648C (fr) |
FR (1) | FR645492A (fr) |
GB (1) | GB282476A (fr) |
-
1926
- 1926-08-23 GB GB20793/26A patent/GB282476A/en not_active Expired
-
1927
- 1927-12-09 FR FR645492D patent/FR645492A/fr not_active Expired
- 1927-12-15 DE DES83096D patent/DE539648C/de not_active Expired
-
1928
- 1928-01-21 US US248461A patent/US1682941A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE539648C (de) | 1931-11-30 |
US1682941A (en) | 1928-09-04 |
GB282476A (en) | 1927-12-23 |
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