The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 15, 2013
Filed:
Aug. 21, 2012
Daniel R. Ash, Jr., Laguna Nigel, CA (US);
Daniel R. Ash, Sr., Drain, OR (US);
Jeremy Monroe, Trabuco Canyon, CA (US);
Daniel R. Ash, Jr., Laguna Nigel, CA (US);
Daniel R. Ash, Sr., Drain, OR (US);
Jeremy Monroe, Trabuco Canyon, CA (US);
Mobile Joose, Inc, Lake Forest, CA (US);
Abstract
An antenna system for creating mutual radiation isolation between planar antenna elements over a narrow band uses field cancellation. Adjacent planar antenna elements are positioned in a common ground plane within a mobile phone repeater station, A tuned slot element is positioned between the antenna elements and coupled to share ground plane current in order to maximize cancellation and minimize degradation of the radiation of the antenna elements. The dimensions of the toned slot element are adjusted to obtain lambda/2 resonance, whereby, isolation of more than 10 dB is attained between the antenna elements.