Patent ID: 9680215
Date: 2017-06-13
CPC Classifications: H01Q

Claim:
1. An omnidirectional broadband antenna comprising: a ground element; an antenna element electrically isolated from the ground element, an annular element surrounding at least a portion of the antenna element and parasitically coupled to the antenna element; a cable bracket capacitively grounded to the ground element, whereby the cable bracket is configured to allow soldering of a cable braid to the cable bracket for feeding the antenna element without direct galvanic contact between the cable braid and the ground element; a capacitive grounding element configured for capacitively coupling the annular element to the ground element; and an electrical insulator between the cable bracket and the ground element and between the capacitive grounding element and the ground element, whereby the electrical insulator inhibits direct galvanic contact of the ground element with the cable bracket and the capacitive grounding element.