Abstract: A method is provided that can include activating at least two wireless communication channels in parallel, between a first wireless transceiver and a second wireless transceiver. Each of the at least two wireless communication channels can operate at a different radio carrier frequency, and the first wireless transceiver may be part of a first vehicle. The method can also include transmitting, by the first wireless transceiver, common information in parallel on the at least two wireless communication channels to the second wireless transceiver and deactivating the at least two wireless communication channels.

Abstract: Multiple purpose orthodontic appliances for correcting the malocclusion of teeth in all planes; correcting jaw discrepancies in all planes of space; stimulating maximum development of dental arches; orthopedically widening the upper jaw bone; and stimulating development of the orofacial musculature and a method of employing the applicances includes the utilization of a face bow with suitable plastic shields affixed thereto to provide orthopedic treatment as well as the usual orthodontic correction provided by the face bow itself. The face bow includes interconnected outer and an inner arch wires and in one form, the shield is positioned in the anterior area of the inner arch wires so as to provide labial or anterior pressure on the lip muscles. In a second form, the shields are disposed along the sides of the inner arch wires to provide buccal or lateral influence on the cheek muscles.