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
Authority: CH; Switzerland
Prior art keywords: installation; signals; transmission; power lines; lines
Prior art date: 1945-05-07

Application number

Other languages

French (fr)

Inventor

D Electricite Compagn Generale

Original Assignee

Comp Generale Electricite

Priority date (The priority date 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 date listed.)

1945-05-07

Filing date

1946-03-11

Publication date

1948-05-15

1946-03-11 Application filed by Comp Generale Electricite filed Critical Comp Generale Electricite

1948-05-15 Publication of CH254683A publication Critical patent/CH254683A/en

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

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

CH254683D 1945-05-07 1946-03-11 Installation for the transmission of signals by power lines. CH254683A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
FR996628A (en)	1951-12-24
US2471319A (en)	1949-05-24
GB629532A (en)	1949-09-22
NL62039C (en)
FR56738E (en)	1952-10-03
DE892460C (en)	1953-10-08

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