FR324487A - Signal transmission by electro-magnetic waves - Google Patents

Signal transmission by electro-magnetic waves

Info

Publication number
FR324487A
FR324487A FR324487A FR324487DA FR324487A FR 324487 A FR324487 A FR 324487A FR 324487 A FR324487 A FR 324487A FR 324487D A FR324487D A FR 324487DA FR 324487 A FR324487 A FR 324487A
Authority
FR
France
Prior art keywords
electro
signal transmission
magnetic waves
waves
magnetic
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
FR324487A
Other languages
French (fr)
Inventor
Fessenden Reginald Aubrey
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR324487A publication Critical patent/FR324487A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element
    • H01Q9/38—Vertical arrangement of element with counterpoise
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
    • H01Q19/09—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens wherein the primary active element is coated with or embedded in a dielectric or magnetic material
FR324487A 1902-08-12 Signal transmission by electro-magnetic waves Expired FR324487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE157344T

Publications (1)

Publication Number Publication Date
FR324487A true FR324487A (en) 1903-04-02

Family

ID=5678588

Family Applications (1)

Application Number Title Priority Date Filing Date
FR324487A Expired FR324487A (en) 1902-08-12 Signal transmission by electro-magnetic waves

Country Status (2)

Country Link
DE (1) DE157344C (en)
FR (1) FR324487A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE765298C (en) * 1935-04-19 1953-07-20 Julius Pintsch K G Device for achieving selection effects in arrangements for generating or receiving ultrashort electrical waves
DE765531C (en) * 1940-06-27 1954-07-19 Lorenz C Ag Directional antenna with which several ª ™ / 2 dipoles, one behind the other, are fed in phase
DE973652C (en) * 1950-10-18 1960-04-21 Elektronik G M B H Deutsche Foldable flat frame antenna
GB707142A (en) * 1950-12-04 1954-04-14 Wladimir John Polydoroff Improvements in and relating to antennas for radio apparatus

Also Published As

Publication number Publication date
DE157344C (en)

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