Patent ID: 7221930
Filing Date: 2007-05-22
Classification: G07D,H04M

Abstract:
1. A method of either detecting counterfeit currency or lighting by means of a cellular phone including a counterfeit currency detection bulb, a lamp, a display, a CPU, an MMI, a keypad driver, a counterfeit currency detection driver, a lighting driver, and a keypad including a first dual key in association with a counterfeit currency detection bulb, a second dual key in association with a lamp, and a plurality of third keys so that either in response to pressing the first dual key, the CPU performs steps comprising: receiving an interrupt signal; running the keypad driver to scan the key being pressed; running the MMI to determine the key being pressed and a meaning thereof; and running the counterfeit currency detection driver to activate the counterfeit currency detection bulb; or in response to pressing the second dual key, the CPU performs steps comprising: receiving an interrupt signal; running the keypad driver to scan the key being pressed; running the MMI to determine the key being pressed and a meaning thereof; and running the lighting driver to activate the lamp, wherein the cellular phone is a hinge type of cellular phone include a phone body and a cover wherein one end of the phone body is hingedly coupled to one end of the cover so that in one state the cover is pivoted to rest on the phone body for covering the keypad, on one side of the phone body there are formed a volume increase key and a volume decrease key, and the volume increase key or the volume decrease key is operative to press to adjust a volume of the hinge type of cellular phone when the cover of the hinge type of cellular phone is open.