Slotted cylinder antenna

Details Slotted cylinder antenna Slotted cylinder antenna

2006-07-18

2006-07-18

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Slot type

C343S702000

Reexamination Certificate

active

07079081

ABSTRACT:
An antenna (100) for RF communications. The antenna includes a radiating member (102) which is substantially tubular so as to define a cavity (104) therein. The radiating member (102) is made of a conductive material having a non-conductive slot (106) extending from a first portion (108) of the radiating member (102) to a second portion (110). An impedance matching device (120) is electrically connected to the radiating member (102) via a conductor (134) to match an impedance of the radiating member (102) with an impedance of a signal source or an impedance of a load. The impedance matching device (120), the conductor (134), and at least a portion of the radiating member radiating element (102) can formed from a single conductive sheet, or molded or extruded as a single conductive structure.

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patent: 6166701 (2000-12-01), Park et al.
patent: 6462714 (2002-10-01), Okabe et al.
patent: 2003/0011522 (2003-01-01), McKinzie et al.

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