| 摘要 |
PURPOSE: A wireless charge method between a master device and a slave device and a system thereof are provided to perform the charge control individually, thereby improving the charging efficiency. CONSTITUTION: A registration request signal is transmitted to the slave devices (204). The time slot information is included in the registration request signal. A charge order signal is transmitted to the slave device (208). The charge information is received from the slave device. The power transmission to the slave device is controlled (216). [Reference numerals] (200) Slave battery < Threshold value; (202) Precharging; (204) Master→slave registration request, signal transmission; (206) Registered slave?; (208) Slave→master response signal transmission; (210) Conflict?; (212) Perform a registration procedure; (214) Slotted Aloha; (216) Transmit power according to a power control procedure; (218) Exceed a charging time?; (AA,DD,FF) Yes; (BB,CC,EE,GG) No |
