BR7500557A - Aperfeicoamentos em e referente a antena do tipo helicoidal - Google Patents

Aperfeicoamentos em e referente a antena do tipo helicoidal

Info

Publication number
BR7500557A
BR7500557A BR557/75A BR7500557A BR7500557A BR 7500557 A BR7500557 A BR 7500557A BR 557/75 A BR557/75 A BR 557/75A BR 7500557 A BR7500557 A BR 7500557A BR 7500557 A BR7500557 A BR 7500557A
Authority
BR
Brazil
Prior art keywords
regarding
type antenna
helicoidal type
helicoidal
antenna
Prior art date
Application number
BR557/75A
Other languages
English (en)
Original Assignee
Abreu Joao Do Espirito Santo
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 Abreu Joao Do Espirito Santo filed Critical Abreu Joao Do Espirito Santo
Priority to BR557/75A priority Critical patent/BR7500557A/pt
Publication of BR7500557A publication Critical patent/BR7500557A/pt
Priority to NL7600883A priority patent/NL7600883A/xx
Priority to CA244,533A priority patent/CA1067995A/en
Priority to AU10663/76A priority patent/AU493386B2/en
Priority to FR7602432A priority patent/FR2299739A1/fr
Priority to JP51008842A priority patent/JPS51126024A/ja
Priority to EG48/76A priority patent/EG13207A/xx
Priority to US05/654,938 priority patent/US4051481A/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08Helical antennas
BR557/75A 1975-01-29 1975-01-29 Aperfeicoamentos em e referente a antena do tipo helicoidal BR7500557A (pt)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BR557/75A BR7500557A (pt) 1975-01-29 1975-01-29 Aperfeicoamentos em e referente a antena do tipo helicoidal
NL7600883A NL7600883A (nl) 1975-01-29 1976-01-28 Spiraalantenne.
CA244,533A CA1067995A (en) 1975-01-29 1976-01-29 Helical type antennas
AU10663/76A AU493386B2 (en) 1976-01-29 Helical band antenna
FR7602432A FR2299739A1 (fr) 1975-01-29 1976-01-29 Antenne du type helicoidal
JP51008842A JPS51126024A (en) 1975-01-29 1976-01-29 Spiral antenna
EG48/76A EG13207A (en) 1975-01-29 1976-01-31 Improvements in and referring to helical type antennas
US05/654,938 US4051481A (en) 1975-01-29 1976-02-03 Helical band antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR557/75A BR7500557A (pt) 1975-01-29 1975-01-29 Aperfeicoamentos em e referente a antena do tipo helicoidal

Publications (1)

Publication Number Publication Date
BR7500557A true BR7500557A (pt) 1975-12-16

Family

ID=3992781

Family Applications (1)

Application Number Title Priority Date Filing Date
BR557/75A BR7500557A (pt) 1975-01-29 1975-01-29 Aperfeicoamentos em e referente a antena do tipo helicoidal

Country Status (7)

Country Link
US (1) US4051481A (pt)
JP (1) JPS51126024A (pt)
BR (1) BR7500557A (pt)
CA (1) CA1067995A (pt)
EG (1) EG13207A (pt)
FR (1) FR2299739A1 (pt)
NL (1) NL7600883A (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5376729A (en) * 1976-12-20 1978-07-07 Tokyo Keiki Kk Spiral antenna unit
US4559539A (en) * 1983-07-18 1985-12-17 American Electronic Laboratories, Inc. Spiral antenna deformed to receive another antenna
CA2061743C (en) * 1992-02-24 1996-05-14 Peter Charles Strickland End loaded helix antenna
CA2139198C (en) * 1993-12-28 1998-08-18 Norihiko Ohmuro Broad conical-mode helical antenna
JP2715882B2 (ja) * 1993-12-28 1998-02-18 日本電気株式会社 ヘリカルアンテナ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB430548A (en) * 1934-06-28 1935-06-20 Baxendale And Company Ltd Improvements in wireless or radio aerials
FR810325A (fr) * 1935-12-10 1937-03-19 Cablerie E Charbonnet Antenne verticale spiralée pour télégraphie, téléphonie sans fil ou télévision
US2958081A (en) * 1959-06-30 1960-10-25 Univ Illinois Unidirectional broadband antenna comprising modified balanced equiangular spiral
US3629937A (en) * 1966-11-14 1971-12-28 Chevron Res Method of forming a helical antenna
US3509578A (en) * 1967-06-21 1970-04-28 Nasa Weatherproof helix antenna
US3564553A (en) * 1967-11-08 1971-02-16 North American Rockwell Airborne transmitting antenna
US3683393A (en) * 1970-07-06 1972-08-08 Electrotec Corp Helical dipole antenna
US3778839A (en) * 1971-07-30 1973-12-11 Hallicrafters Co Double ridged wave guide feed for signal antenna
US3836979A (en) * 1973-12-14 1974-09-17 Trw Inc Lightweight deployable helical antenna

Also Published As

Publication number Publication date
NL7600883A (nl) 1976-08-02
EG13207A (en) 1980-10-31
JPS51126024A (en) 1976-11-02
FR2299739A1 (fr) 1976-08-27
US4051481A (en) 1977-09-27
CA1067995A (en) 1979-12-11
AU1066376A (en) 1977-08-04

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