Blonder, GregJohnson, Bertrand H.Knoedl, GeorgeSaleh, Adel AM2019-07-092019-07-091996-10-081994-05-06Greg Blonder, Bertrand H Johnson, George Knoedl, Adel AM Saleh. "Diversity antenna for a wrist telephone." U.S. Patent 5,564,082-A.5,564,082https://hdl.handle.net/2144/36306A radiotelephone wrist device includes a case having a transceiver and a strap attached to the case for fastening the device to a user's wrist. The strap has a top layer and a bottom layer. The top layer is attached to the bottom layer by a pivot mechanism which facilitates rotating at least a portion of the top layer with respect to the bottom layer. A microphone is located on the strap and electrically connected to the transceiver. A speaker is located at an end of the top layer of the strap and electrically connected to the transceiver. A first antenna is located in the bottom layer of the strap. A second antenna is located in the rotatable portion of the top layer of the strap.Mobile phoneWearablesPatent423748