NL69932C - - Google Patents

Info

Publication number
NL69932C
NL69932C NL69932DA NL69932C NL 69932 C NL69932 C NL 69932C NL 69932D A NL69932D A NL 69932DA NL 69932 C NL69932 C NL 69932C
Authority
NL
Netherlands
Application number
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.)
Publication of NL69932C publication Critical patent/NL69932C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
    • H02P9/20—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of continuously-variable ohmic resistance
    • H02P9/22—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of continuously-variable ohmic resistance comprising carbon pile resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
NL69932D 1945-01-27 NL69932C (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US574878A US2490815A (en) 1945-01-27 1945-01-27 Loop antenna

Publications (1)

Publication Number Publication Date
NL69932C true NL69932C (zh)

Family

ID=24298017

Family Applications (1)

Application Number Title Priority Date Filing Date
NL69932D NL69932C (zh) 1945-01-27

Country Status (6)

Country Link
US (1) US2490815A (zh)
BE (2) BE463048A (zh)
CH (1) CH269001A (zh)
ES (1) ES172153A1 (zh)
FR (1) FR920588A (zh)
NL (1) NL69932C (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631238A (en) * 1949-02-16 1953-03-10 Belmont Radio Corp Antenna array
US4012742A (en) * 1975-12-29 1977-03-15 International Telephone And Telegraph Corporation Multimode loop antenna
EP0184235A1 (en) * 1984-11-08 1986-06-11 Koninklijke Philips Electronics N.V. Vor antenna design
US6515632B1 (en) * 2001-06-06 2003-02-04 Tdk Rf Solutions Multiply-fed loop antenna
US6816122B2 (en) * 2002-01-29 2004-11-09 Mitsumi Electric Co., Ltd. Four-point feeding loop antenna capable of easily obtaining an impedance match
EP1617515B1 (en) * 2004-07-13 2007-09-19 TDK Corporation PxM antenna for high-power, broadband applications
US20130201066A1 (en) * 2012-02-02 2013-08-08 Harris Corporation Wireless communications device having loop antenna with four spaced apart coupling points and reflector and associated methods
US10811773B2 (en) 2017-09-29 2020-10-20 Pc-Tel, Inc. Broadband kandoian loop antenna

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE388072C (de) * 1923-02-02 1924-01-09 Siemens & Halske Akt Ges Ringfoermige Antenne
GB438506A (en) * 1934-02-15 1935-11-15 William Spencer Percival Improvements in and relating to feeders and the like for electric currents of high frequency
NL45513C (zh) * 1935-11-09
GB475348A (en) * 1936-03-17 1937-11-17 Edward Cecil Cork Improvements in or relating to wireless aerial systems
US2187014A (en) * 1937-03-13 1940-01-16 Telefunken Gmbh Antenna transformer
US2289856A (en) * 1940-09-25 1942-07-14 Internat Telephone & Eadio Mfg Broadcasting antenna system
BE469343A (zh) * 1941-07-12
BE479061A (zh) * 1942-10-07
US2393981A (en) * 1943-11-06 1946-02-05 Standard Telephones Cables Ltd Shielded loop antenna
US2391026A (en) * 1943-11-15 1945-12-18 Standard Telephones Cables Ltd Shielded loop antenna

Also Published As

Publication number Publication date
FR920588A (fr) 1947-04-11
CH269001A (de) 1950-06-15
ES172153A1 (es) 1946-02-16
BE463047A (zh)
US2490815A (en) 1949-12-13
BE463048A (zh)

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