Patent ID: 8574079

Claim:
A wireless wagering system, comprising: a video wagering terminal, comprising: a cradle configured to receive a wireless game control and provide a power transmission interface between the wireless game control and the video wagering terminal when the wireless game control is in the cradle, wherein the cradle is configured to: receive the wireless game control without regard to a rotational orientation of the wireless game control, and enable liquid spilt into the cradle to drain out of the cradle from a plurality of drainage openings; a terminal transceiver configured to receive a master data packet from the wireless game control; a power supply and battery-charging circuit configured to supply power to the wireless game control and charge the battery of the wireless game control through the power transmission interface when the wireless game control is in the cradle, wherein the power transmission interface is an inductive power transmission interface; wherein the wireless game control comprises: a button configured to receive game-play input from a game player; a battery configured to supply power to the wireless game control; a first transceiver configured to transmit the master data packet from the wireless game control to the video wagering terminal, wherein the master data packet has a payload which includes first information related to a voltage of the battery and second information indicating a charging status of the battery, wherein the information indicating a charging status of the battery is determined at least in part by a measurement of electric current coming into the battery.