FR1138380A - Perfectionnements aux antennes - Google Patents

Perfectionnements aux antennes

Info

Publication number
FR1138380A
FR1138380A FR1138380DA FR1138380A FR 1138380 A FR1138380 A FR 1138380A FR 1138380D A FR1138380D A FR 1138380DA FR 1138380 A FR1138380 A FR 1138380A
Authority
FR
France
Prior art keywords
antenna
antenna improvements
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
English (en)
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR1138380A publication Critical patent/FR1138380A/fr
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
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/48—Combinations of two or more dipole type antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Details Of Aerials (AREA)
FR1138380D 1954-10-06 1955-10-05 Perfectionnements aux antennes Expired FR1138380A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28731/54A GB804462A (en) 1954-10-06 1954-10-06 Improvements in or relating to aerials

Publications (1)

Publication Number Publication Date
FR1138380A true FR1138380A (fr) 1957-06-13

Family

ID=10280204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1138380D Expired FR1138380A (fr) 1954-10-06 1955-10-05 Perfectionnements aux antennes

Country Status (4)

Country Link
US (1) US2937374A (fr)
DE (1) DE1015868B (fr)
FR (1) FR1138380A (fr)
GB (1) GB804462A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5528251A (en) * 1995-04-06 1996-06-18 Frein; Harry S. Double tuned dipole antenna
US5629713A (en) * 1995-05-17 1997-05-13 Allen Telecom Group, Inc. Horizontally polarized antenna array having extended E-plane beam width and method for accomplishing beam width extension

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE501315C (de) * 1927-11-18 1930-07-10 Marconi Wireless Telegraph Co Antennensystem
US2033390A (en) * 1933-04-05 1936-03-10 Telefunken Gmbh Antenna system
DE723509C (de) * 1938-02-25 1944-01-11 Telefunken Gmbh Anordnung zur Ankopplung eines aus mehreren einzelnen Antennen bestehenden Richtantennensystems
US2183562A (en) * 1938-04-01 1939-12-19 Rca Corp Radio relaying system
US2229078A (en) * 1938-04-01 1941-01-21 Rca Corp Radio relaying system
US2326945A (en) * 1940-03-02 1943-08-17 Holsten Karl-Georg Direction-finding system
US2280738A (en) * 1940-11-27 1942-04-21 Du Mont Allen B Lab Inc Directional antenna
US2344884A (en) * 1942-02-06 1944-03-21 Mackay Radio & Telegraph Co Wave transmission system
US2375580A (en) * 1942-06-25 1945-05-08 Rca Corp Directive antenna
US2464276A (en) * 1943-08-03 1949-03-15 Sperry Corp Radiant energy directivity pattern scanner

Also Published As

Publication number Publication date
DE1015868B (de) 1957-09-19
US2937374A (en) 1960-05-17
GB804462A (en) 1958-11-19

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