Patent ID: 8904587

Claim:
A handheld electric shoe polisher, configured to quickly polish shoes in a compact device, the handheld electric shoe polisher comprises; a housing mechanically coupled to hand grip; the housing is further mechanically coupled to universal service bus port and a switch; the housing is mechanically coupled to a drive shaft; the drive shaft is mechanically coupled to a gear box; the gear box is mechanically coupled to a motor; the motor is electrically coupled to a battery with an integrated circuit; the battery is electrically coupled to the universal service bus port by the integrated circuit; the integrated circuit comprises a MOSFET electrically coupled to a battery protection integrated circuit, a switching circuit and a battery charging circuit, where the battery charging circuit is electrically coupled to the battery and the battery protection integrated circuit is electrically coupled to the universal service bus port; the MOSFET further comprises: a first drain pin electrically coupled to a second drain pin; two second source pins are electrically coupled to a ground pin on the battery protection integrated circuit and the battery in an RC circuit having a capacitor in series with a resistor and a power supply pin; a second gate pin is electrically coupled to a MOSFET gate connection pin for discharge control; a first gate pin on the MOSFET is electrically coupled to another MOSFET gate connection pin for discharge control; two source pins are electrically coupled to an input pin for current sense and charger detection; the switching circuit further comprises: the battery electrically coupled in parallel with two capacitors and the switch; the battery charging circuit further comprises: a battery charging circuit ground pin electrically coupled to the two second source pins, and an input supply voltage pin; a testing circuit; electrically coupled to the battery charging circuit and further comprising: a resister electrically coupled to a first diode and a second diode wherein the first diode is further electrically coupled to a battery pin and a second resistor; a gate electrically coupled to the battery charging circuit ground pin and further electrically coupled to a third diode and a third resistor; the drive shaft is further mechanically coupled to a shoe shine attachment; in this manner, a user; can charge the battery by electrically coupling the universal service bus port to a power source and the user can engage the battery with the switch to power the motor, turning the drive shaft and causing the shoe shine attachment to rotate; the user can utilize the shoe shine attachment to shine shoes.