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FR913121A - Improvements to radio signaling devices - Google Patents

Improvements to radio signaling devices

Info

Publication number
FR913121A
FR913121A FR913121DA FR913121A FR 913121 A FR913121 A FR 913121A FR 913121D A FR913121D A FR 913121DA FR 913121 A FR913121 A FR 913121A
Authority
FR
France
Prior art keywords
signaling devices
radio signaling
radio
devices
signaling
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)
Inventor
Arnold Hugh William Beck
Arthur Joseph Hughes
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.)
Hughes Henry and Son Ltd
Original Assignee
Hughes Henry and Son 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 Hughes Henry and Son Ltd filed Critical Hughes Henry and Son Ltd
Application granted granted Critical
Publication of FR913121A publication Critical patent/FR913121A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
FR913121D 1941-01-10 1945-08-04 Improvements to radio signaling devices Expired FR913121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB913121X 1941-01-10

Publications (1)

Publication Number Publication Date
FR913121A true FR913121A (en) 1946-08-29

Family

ID=10707002

Family Applications (1)

Application Number Title Priority Date Filing Date
FR913121D Expired FR913121A (en) 1941-01-10 1945-08-04 Improvements to radio signaling devices

Country Status (1)

Country Link
FR (1) FR913121A (en)

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