Printed circuit dipole antenna

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed

Patent

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Details

343700MS, 343702, H01Q 138

Patent

active

054952603

ABSTRACT:
A paging receiver (100) comprises a printed circuit board (200) on which receiving circuitry (110) is mounted. The printed circuit board (200) comprises a plurality of conductive runners (205, 210, 305, 310) which form a dipole antenna (105) for providing radio frequency signals to the receiving circuitry (110). First and second elongated runners (205, 210) are plated on a first surface (215) of the printed circuit board (200) along a single axis. Third and fourth elongated runners (305, 310) are plated on a second surface (300) of the printed circuit board (200) parallel to and beneath the first and second elongated runners (205, 210), respectively. The first and third runners (205, 305) are electrically coupled via a first plated hole (230) to form a first monopole element of the dipole antenna (105) for providing the signals to the receiving circuitry (110), and the second and fourth runners (210, 310) are electrically coupled via a second plated hole (240) to form a second monopole clement of the dipole antenna (105).

REFERENCES:
patent: 4700194 (1987-10-01), Ogawa et al.
patent: 4719470 (1988-01-01), Munson
patent: 4721962 (1988-01-01), Gorzel
patent: 4758843 (1988-07-01), Agrawal et al.
patent: 4860019 (1989-08-01), Jiang et al.
patent: 5087922 (1992-02-01), Tang et al.
patent: 5206655 (1993-04-01), Caille et al.
patent: 5206657 (1993-04-01), Downey
patent: 5229782 (1993-07-01), Hemmie et al.
patent: 5231407 (1993-07-01), McGirr et al.
patent: 5293176 (1994-03-01), Elliot

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