BE618680A - Double rotary electric member, in particular resistance or switch - Google Patents

Double rotary electric member, in particular resistance or switch

Info

Publication number
BE618680A
BE618680A BE618680A BE618680A BE618680A BE 618680 A BE618680 A BE 618680A BE 618680 A BE618680 A BE 618680A BE 618680 A BE618680 A BE 618680A BE 618680 A BE618680 A BE 618680A
Authority
BE
Belgium
Prior art keywords
switch
rotary electric
electric member
particular resistance
double rotary
Prior art date
Application number
BE618680A
Other languages
French (fr)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BE618680A publication Critical patent/BE618680A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/06—Rhombic antennas; V-antennas
BE618680A 1961-06-09 1962-06-07 Double rotary electric member, in particular resistance or switch BE618680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL618680X 1942-10-22

Publications (1)

Publication Number Publication Date
BE618680A true BE618680A (en) 1962-12-14

Family

ID=19788359

Family Applications (2)

Application Number Title Priority Date Filing Date
BE452813D BE452813A (en) 1942-10-22
BE618680A BE618680A (en) 1961-06-09 1962-06-07 Double rotary electric member, in particular resistance or switch

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE452813D BE452813A (en) 1942-10-22

Country Status (6)

Country Link
US (1) US2517238A (en)
BE (2) BE618680A (en)
DE (1) DE863681C (en)
FR (1) FR899024A (en)
GB (1) GB618680A (en)
NL (1) NL61153C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108390146B (en) * 2017-12-28 2020-03-24 山东康威通信技术股份有限公司 Long-distance signal coverage high-gain antenna of underground tunnel and manufacturing method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2126295A (en) * 1934-04-25 1938-08-09 Western Electric Co Antenna system
BE421257A (en) * 1936-04-28
US2157159A (en) * 1937-03-24 1939-05-09 Rca Corp Antenna system
FR833529A (en) * 1937-06-15 1938-10-24 Thomson Houston Comp Francaise Improvements to directional antennas
US2297925A (en) * 1940-04-06 1942-10-06 Rca Corp Antenna system
US2366195A (en) * 1942-11-23 1945-01-02 Standard Telephones Cables Ltd Antenna array
US2379260A (en) * 1943-06-15 1945-06-26 Press Wireless Inc Antenna system

Also Published As

Publication number Publication date
US2517238A (en) 1950-08-01
GB618680A (en) 1949-02-25
BE452813A (en)
NL61153C (en)
DE863681C (en) 1953-01-19
FR899024A (en) 1945-05-15

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