NL219987A - - Google Patents

Info

Publication number
NL219987A
NL219987A NL219987DA NL219987A NL 219987 A NL219987 A NL 219987A NL 219987D A NL219987D A NL 219987DA NL 219987 A NL219987 A NL 219987A
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 NL219987A publication Critical patent/NL219987A/xx

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
NL219987D 1956-08-18 NL219987A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE351309X 1956-08-18

Publications (1)

Publication Number Publication Date
NL219987A true NL219987A (de)

Family

ID=6267791

Family Applications (2)

Application Number Title Priority Date Filing Date
NL102440D NL102440C (de) 1956-08-18
NL219987D NL219987A (de) 1956-08-18

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL102440D NL102440C (de) 1956-08-18

Country Status (4)

Country Link
US (1) US2952850A (de)
CH (1) CH351309A (de)
FR (1) FR1181273A (de)
NL (2) NL219987A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683393A (en) * 1970-07-06 1972-08-08 Electrotec Corp Helical dipole antenna
US4427984A (en) 1981-07-29 1984-01-24 General Electric Company Phase-variable spiral antenna and steerable arrays thereof
US20100103053A1 (en) * 2008-10-27 2010-04-29 Intermec Ip Corp. Circularly polarized antenna

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2246151A (en) * 1939-05-24 1941-06-17 Locke Insulator Corp Tower antenna
US2405123A (en) * 1943-08-07 1946-08-06 Gen Electric Antenna system
US2763003A (en) * 1953-07-01 1956-09-11 Edward F Harris Helical antenna construction

Also Published As

Publication number Publication date
NL102440C (de)
CH351309A (de) 1961-01-15
FR1181273A (fr) 1959-06-12
US2952850A (en) 1960-09-13

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