FR551913A - Improvements to radio signaling - Google Patents

Improvements to radio signaling

Info

Publication number
FR551913A
FR551913A FR551913DA FR551913A FR 551913 A FR551913 A FR 551913A FR 551913D A FR551913D A FR 551913DA FR 551913 A FR551913 A FR 551913A
Authority
FR
France
Prior art keywords
radio signaling
signaling
radio
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR551913A publication Critical patent/FR551913A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
FR551913D 1921-05-25 1922-05-23 Improvements to radio signaling Expired FR551913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB551913X 1921-05-25

Publications (1)

Publication Number Publication Date
FR551913A true FR551913A (en) 1923-04-17

Family

ID=10473229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR551913D Expired FR551913A (en) 1921-05-25 1922-05-23 Improvements to radio signaling

Country Status (1)

Country Link
FR (1) FR551913A (en)

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