Patent ID: 6157348
Filing Date: 2000-12-05
Classification: H01Q

Abstract:
A low profile antenna, comprising:a baseplate;a radiator, said radiator held proximate said baseplate generally parallel to said baseplate;said radiator having a series of irregular edges and notches about a perimeter of said radiator, said perimeter being generally square and flared outwardly and forwardly on an end, said end flared outwardly in a manner resembling a first overlaid rectangle extending across said radiator at said end, said end flared forwardly in a manner resembling second and third adjoining rectangles, said second rectangle being smaller than and adjacent to said first rectangle, said second rectangle projecting outwardly from a side of said first rectangle, said third rectangle being smaller than and adjacent to said second rectangle, said third rectangle projecting outwardly from a side of said second rectangle opposite to that of said first rectangle, said irregular edges broadening a bandwidth of the antenna; anda wide ground tab having a width, said wide ground tab connecting said radiator and said baseplate and tuning the antenna according to said width; wherebya tunable low profile antenna is provided having a broadened bandwidth suitable for mobile and cellular telephone operation.