FR1048077A - Method and device for alternating current telegraphy - Google Patents

Method and device for alternating current telegraphy

Info

Publication number
FR1048077A
FR1048077A FR1048077DA FR1048077A FR 1048077 A FR1048077 A FR 1048077A FR 1048077D A FR1048077D A FR 1048077DA FR 1048077 A FR1048077 A FR 1048077A
Authority
FR
France
Prior art keywords
alternating current
current telegraphy
telegraphy
alternating
current
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
French (fr)
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR1048077A publication Critical patent/FR1048077A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR1048077D 1950-09-02 1951-09-03 Method and device for alternating current telegraphy Expired FR1048077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES18908A DE848968C (en) 1950-09-02 1950-09-02 Method and device for alternating current telegraphy

Publications (1)

Publication Number Publication Date
FR1048077A true FR1048077A (en) 1953-12-18

Family

ID=32943214

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1048077D Expired FR1048077A (en) 1950-09-02 1951-09-03 Method and device for alternating current telegraphy

Country Status (3)

Country Link
CH (1) CH295545A (en)
DE (1) DE848968C (en)
FR (1) FR1048077A (en)

Also Published As

Publication number Publication date
DE848968C (en) 1952-09-11
CH295545A (en) 1953-12-31

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