FR454290A - Télégraphie non dirigée avec plusieurs mises à la terre - Google Patents

Télégraphie non dirigée avec plusieurs mises à la terre

Info

Publication number
FR454290A
FR454290A FR454290A FR454290DA FR454290A FR 454290 A FR454290 A FR 454290A FR 454290 A FR454290 A FR 454290A FR 454290D A FR454290D A FR 454290DA FR 454290 A FR454290 A FR 454290A
Authority
FR
France
Prior art keywords
telegraphy
undirected
multiple grounds
grounds
undirected 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
Application number
FR454290A
Other languages
English (en)
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.)
Signal GmbH
Original Assignee
Signal 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 Signal GmbH filed Critical Signal GmbH
Application granted granted Critical
Publication of FR454290A publication Critical patent/FR454290A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
    • H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Prevention Of Electric Corrosion (AREA)
FR454290A 1912-02-12 1913-02-12 Télégraphie non dirigée avec plusieurs mises à la terre Expired FR454290A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE454290X 1912-02-12

Publications (1)

Publication Number Publication Date
FR454290A true FR454290A (fr) 1913-06-30

Family

ID=43711071

Family Applications (1)

Application Number Title Priority Date Filing Date
FR454290A Expired FR454290A (fr) 1912-02-12 1913-02-12 Télégraphie non dirigée avec plusieurs mises à la terre

Country Status (2)

Country Link
DE (2) DE301377C (enrdf_load_stackoverflow)
FR (1) FR454290A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977786C (de) * 1954-01-27 1970-03-26 Bundesrep Deutschland Verfahren und Einrichtung fuer Unterwassertelefonie
DE977779C (de) * 1954-10-19 1970-03-26 Bundesrep Deutschland Fernschreiber zum drahtlosen Unterwasserfernschreiben

Also Published As

Publication number Publication date
DE303202C (enrdf_load_stackoverflow)
DE301377C (enrdf_load_stackoverflow)

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