Patent ID: 9608323
Date: 2017-03-28
CPC Classifications: H01Q

Claim:
1. A bi-cone antenna having a frequency range, the antenna comprising: a bottom cone and a top cone; said bottom cone having a feed disk, said feed disk having a bottom conical surface that merges into a feed disk apex, said feed disk also being formed with a hole; said bottom conical surface having a first portion that establishes a constant angle θ said top cone including a top element, said top element having a nipple that terminates at a top element apex, a top conical surface and a log radial surface, said top element being formed with an aperture; a spacer axially aligned with and disposed between the feed disk and the top element to establish a distance “d” between the feed disk and the top element, said spacer being made of a material that allows said feed disk and said top element to be press-fit into said spacer; a coaxial cable feed having an inner conductor and an outer conductor, said cable feed extending through said aperture and into said hole so that said inner conductor is in electrical contact with said top element and said outer conductor is in electrical contact with said feed disk; and, a ground element attached to said feed disk.