FR981031A - Improvements to antenna devices - Google Patents

Improvements to antenna devices

Info

Publication number
FR981031A
FR981031A FR981031DA FR981031A FR 981031 A FR981031 A FR 981031A FR 981031D A FR981031D A FR 981031DA FR 981031 A FR981031 A FR 981031A
Authority
FR
France
Prior art keywords
antenna devices
antenna
devices
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
Denis Evald Reinhold Lander
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 filed Critical
Application granted granted Critical
Publication of FR981031A publication Critical patent/FR981031A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/48Earthing means; Earth screens; Counterpoises
FR981031D 1948-02-19 1949-02-17 Improvements to antenna devices Expired FR981031A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE981031X 1948-02-19

Publications (1)

Publication Number Publication Date
FR981031A true FR981031A (en) 1951-05-21

Family

ID=20413936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981031D Expired FR981031A (en) 1948-02-19 1949-02-17 Improvements to antenna devices

Country Status (1)

Country Link
FR (1) FR981031A (en)

Similar Documents

Publication Publication Date Title
FR1042994A (en) Improvements to attachment devices
FR1007140A (en) Improvements to turbo-engines
FR979438A (en) Improvements to antenna systems
FR979439A (en) Improvements to direction finders
FR969618A (en) Improvements to nut locks
FR57926E (en) Stylograph refinements
FR981031A (en) Improvements to antenna devices
FR1017688A (en) Improvements to clutch devices
FR1032611A (en) Improvements to display devices
FR988305A (en) Improvements to stapling devices
FR1091608A (en) Improvements to forming devices
FR966295A (en) Improvements to cranes
FR969339A (en) Improvements to pulse-sending devices
FR1004770A (en) Improvements to control devices
FR977192A (en) Improvements to fishing devices
FR939035A (en) Improvements to directed antenna devices
FR970175A (en) Improvements to turbo-engines
FR60592E (en) Improvements to clutch devices
FR1043199A (en) Improvements to identification devices
FR971193A (en) Improvements to planning devices
FR980579A (en) Improvements to mechanical tractors
FR966984A (en) Improvements to thermostatic devices
FR1103407A (en) Stylograph refinements
FR1010598A (en) Rouches refinements
FR991556A (en) Improvements to recording devices