Patent ID: 8860619

Claim:
A multi-antenna system comprising: a.) a first open-slot antenna comprising first and second conductive elements defining a first region between opposing faces thereof; b.) a second open-slot antenna comprising third and fourth conductive elements defining a second region between opposing faces thereof; c.) a first resonant cavity operatively coupled to the first open-slot antenna and disposed between the first open-slot antenna and the second open-slot antenna, the first resonant cavity comprising fifth and sixth conductive elements defining a third region between opposing faces thereof, the third region connected with the first region; d.) a second resonant cavity operatively coupled to the second open-slot antenna and disposed between the first open-slot antenna and the second open-slot antenna, the second resonant cavity comprising seventh and eighth conductive elements defining a fourth region between opposing faces thereof, the fourth region in communication with the second region; and e.) one or more conductive shorts, each of the one or more conductive shorts configured to electrically couple the fifth conductive element to the sixth conductive element, and to electrically couple the seventh conductive element to the eighth conductive element.