Patent ID: 8362959
Filing Date: 2013-01-29
Classification: H01Q,H05K

Abstract:
1. A field device comprising: a metal housing having at least an antenna receiving bore therein; field device electronics disposed within the metal housing, the field device electronics including wireless communication circuitry configured to communicate wireless process information, a controller coupled to the wireless communication circuitry, and a transducer coupled to the controller to interface the field device to a physical process; an antenna assembly including an antenna base engaged within the antenna receiving bore of the housing, the antenna assembly including an antenna operably coupled to the wireless communication circuitry; wherein the antenna assembly is rotatable within the bore by an amount less than one full rotation, and wherein rotation of the antenna assembly varies orientation of the antenna; wherein the antenna receiving bore includes a groove configured to engage a snap ring to retain the antenna base therein and includes an axis in the housing oriented at an angle of approximately 45° to the location of the antenna.