The charger has a winding in the charging base forming the primary of a transformer coupling to a secondary winding in the portable device (6). The charging base has a recess (38) to receive part (34) the portable device. When correctly in place the windin...

The wrist watch (10) couples to a combined charger and data transfer module (1). The battery charger operates by inductive coupling between charger and watch, using a winding built into the watch, while the data transfer operates via infra-red coupling bet...