FR543665A - Improvements to transmission systems for wireless telegraphy - Google Patents

Improvements to transmission systems for wireless telegraphy

Info

Publication number
FR543665A
FR543665A FR543665DA FR543665A FR 543665 A FR543665 A FR 543665A FR 543665D A FR543665D A FR 543665DA FR 543665 A FR543665 A FR 543665A
Authority
FR
France
Prior art keywords
transmission systems
wireless telegraphy
telegraphy
wireless
systems
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.)
POULSEN WIRELESS TELEGRAPH COM
Original Assignee
POULSEN WIRELESS TELEGRAPH COM
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 POULSEN WIRELESS TELEGRAPH COM filed Critical POULSEN WIRELESS TELEGRAPH COM
Application granted granted Critical
Publication of FR543665A publication Critical patent/FR543665A/en
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
FR543665D 1920-11-18 1921-11-18 Improvements to transmission systems for wireless telegraphy Expired FR543665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK171683X 1920-11-18

Publications (1)

Publication Number Publication Date
FR543665A true FR543665A (en) 1922-09-07

Family

ID=8149774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR543665D Expired FR543665A (en) 1920-11-18 1921-11-18 Improvements to transmission systems for wireless telegraphy

Country Status (2)

Country Link
FR (1) FR543665A (en)
GB (1) GB171683A (en)

Also Published As

Publication number Publication date
GB171683A (en) 1923-01-18

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