CH254683A - Installation for the transmission of signals by power lines. - Google Patents
Installation for the transmission of signals by power lines.Info
- Publication number
- CH254683A CH254683A CH254683DA CH254683A CH 254683 A CH254683 A CH 254683A CH 254683D A CH254683D A CH 254683DA CH 254683 A CH254683 A CH 254683A
- Authority
- CH
- Switzerland
- Prior art keywords
- installation
- signals
- transmission
- power lines
- lines
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR892460X | 1945-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH254683A true CH254683A (en) | 1948-05-15 |
Family
ID=9389590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH254683D CH254683A (en) | 1945-05-07 | 1946-03-11 | Installation for the transmission of signals by power lines. |
Country Status (6)
Country | Link |
---|---|
US (1) | US2471319A (en) |
CH (1) | CH254683A (en) |
DE (1) | DE892460C (en) |
FR (2) | FR996628A (en) |
GB (1) | GB629532A (en) |
NL (1) | NL62039C (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2819339A (en) * | 1956-01-12 | 1958-01-07 | William E Scoville | R. f. phase shift keying system for teletype communication |
US3078344A (en) * | 1960-10-25 | 1963-02-19 | Robertshaw Fulton Controls Co | Phase demodulation of keyed carrier by use of synchronous gating, with phase lock driven step wise in response to forbidden output |
DE1137759B (en) * | 1961-09-19 | 1962-10-11 | Siemens Ag | Method for the transmission of start-stop telegraphic characters with the help of a quaternary phase-modulated carrier frequency |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1901642A (en) * | 1929-12-23 | 1933-03-14 | Rca Corp | Signaling |
GB453254A (en) * | 1934-11-15 | 1936-09-08 | Soc Et Liaisons Telephoniques | Improvements in or relating to telegraph signalling systems |
BE427593A (en) * | 1937-04-19 |
-
0
- NL NL62039D patent/NL62039C/xx active
-
1945
- 1945-05-07 FR FR996628D patent/FR996628A/en not_active Expired
-
1946
- 1946-03-11 CH CH254683D patent/CH254683A/en unknown
- 1946-05-02 GB GB13282/46A patent/GB629532A/en not_active Expired
- 1946-05-20 US US670891A patent/US2471319A/en not_active Expired - Lifetime
-
1947
- 1947-03-19 FR FR56738D patent/FR56738E/en not_active Expired
-
1950
- 1950-09-26 DE DEC2603A patent/DE892460C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE892460C (en) | 1953-10-08 |
US2471319A (en) | 1949-05-24 |
GB629532A (en) | 1949-09-22 |
FR996628A (en) | 1951-12-24 |
FR56738E (en) | 1952-10-03 |
NL62039C (en) |
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