GB598548A - Improvements in or relating to antennae for radio transmitters - Google Patents

Improvements in or relating to antennae for radio transmitters

Info

Publication number
GB598548A
GB598548A GB2408644A GB2408644A GB598548A GB 598548 A GB598548 A GB 598548A GB 2408644 A GB2408644 A GB 2408644A GB 2408644 A GB2408644 A GB 2408644A GB 598548 A GB598548 A GB 598548A
Authority
GB
United Kingdom
Prior art keywords
conductors
antenna
class
half
converging
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
GB2408644A
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.)
WILLIAM JOSEPH O BRIEN
Decca Record Co Ltd
Original Assignee
WILLIAM JOSEPH O BRIEN
Decca Record Co Ltd
Filing date
Publication date
Application filed by WILLIAM JOSEPH O BRIEN, Decca Record Co Ltd filed Critical WILLIAM JOSEPH O BRIEN
Publication of GB598548A publication Critical patent/GB598548A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/30Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/40Element having extended radiating surface

Abstract

598,548. Aerials. O'BRIEN, W. J., and DECCA RECORD CO., Ltd. Dec. 1, 1944, No. 24086. [Class 40 (v)] A broad band antenna comprises a supporting structure, such as poles 10 and cross-members 13, 14, and 15, either of insulating material or suitably insulated conductors, arranged to carry an upper assemblage of conductors, each extending in a vertical direction and spaced around a vertical axis, which conductors are connected at their lower ends to downwardlyextending and converging conductors 12, the extremities of which are connected to a transmitter output and the lengths of which are such that the converging conductors form at least half the total height of the antenna. The antenna conductors may be thin-walled tubes and the antenna height is preferably a quarter of the wavelength used, in which case a series condenser 16 is required to raise the resonance frequency. A metal sheet 18 can be placed under the antenna and used to form one half of a dipole by reflections. Specifications 17708/02, [Class 40], and 524,457 are referred to.
GB2408644A 1944-12-01 Improvements in or relating to antennae for radio transmitters Expired GB598548A (en)

Publications (1)

Publication Number Publication Date
GB598548A true GB598548A (en) 1948-02-20

Family

ID=1738120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2408644A Expired GB598548A (en) 1944-12-01 Improvements in or relating to antennae for radio transmitters

Country Status (1)

Country Link
GB (1) GB598548A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771606A (en) * 1953-02-11 1956-11-20 Itt Ultra-high frequency antenna system
EP0350364A1 (en) * 1988-07-08 1990-01-10 Thomson-Csf Wideband receiving antenna

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771606A (en) * 1953-02-11 1956-11-20 Itt Ultra-high frequency antenna system
EP0350364A1 (en) * 1988-07-08 1990-01-10 Thomson-Csf Wideband receiving antenna
FR2634068A1 (en) * 1988-07-08 1990-01-12 Thomson Csf Broadband receiving antenna

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