FR882379A - Système de télégraphie en courant alternatif, en particulier par courant porteur - Google Patents

Système de télégraphie en courant alternatif, en particulier par courant porteur

Info

Publication number
FR882379A
FR882379A FR882379DA FR882379A FR 882379 A FR882379 A FR 882379A FR 882379D A FR882379D A FR 882379DA FR 882379 A FR882379 A FR 882379A
Authority
FR
France
Prior art keywords
powerline carrier
telegraphy system
particular powerline
telegraphy
carrier
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
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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.)
Filing date
Publication date
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR882379A publication Critical patent/FR882379A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
    • 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
    • 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
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
FR882379D 1941-05-28 1942-05-27 Système de télégraphie en courant alternatif, en particulier par courant porteur Expired FR882379A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE280541X 1941-05-28

Publications (1)

Publication Number Publication Date
FR882379A true FR882379A (fr) 1943-06-01

Family

ID=6031502

Family Applications (1)

Application Number Title Priority Date Filing Date
FR882379D Expired FR882379A (fr) 1941-05-28 1942-05-27 Système de télégraphie en courant alternatif, en particulier par courant porteur

Country Status (3)

Country Link
CH (2) CH226123A (fr)
FR (1) FR882379A (fr)
NL (1) NL56851C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1119631B (de) * 1956-10-11 1961-12-14 Fritz Zur Heide Vorrichtung zum Herstellen von Formbiegeteilen
DE1243952B (de) * 1957-06-21 1967-07-06 Fritz Zur Heide Vorrichtung zum Herstellen von Formbiegeteilen

Also Published As

Publication number Publication date
CH226123A (de) 1943-03-15
NL56851C (fr)
CH226972A (de) 1943-05-15

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