High Q loaded antenna

Details High Q loaded antenna High Q loaded antenna

1999-11-04

2000-08-15

Wong, Don

Communications: radio wave antennas

Antennas

With lumped reactance for loading antenna

343872, 343895, 343713, H01Q 132

Patent

active

061043559

ABSTRACT:
An antenna with loading coil is described, which has an especially high Q for longer range communication. The inside of the coil is left empty of solid material while a frame that surrounds the coil is of dielectric material. The wire that forms the coil is constructed so upper and lower wire portions that extend radially inwardly from the ends of the coil, extend at inclines much greater than the wind angle of the coil, and hold metallic coupling slugs away from the opposite ends of the coil. Strips of silicone extend between adjacent coil turns and are mounted on the coil, to minimize vibrations while using a minimum of dielectric material close to the coil. By combining these improvements into a practical commercial coil, applicant has raised the coil Q by 29.5% from the Q of his previous antenna which had the highest Q of citizen band antennas on the market.

REFERENCES:
patent: 3461455 (1969-08-01), Rowe
patent: 4097867 (1978-06-01), Eroncig
patent: 5218372 (1993-06-01), Cheng
patent: 5648788 (1997-07-01), Bumsted
patent: 5751251 (1998-05-01), Hutchinson

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