Patent ID: 8965595
Filing Date: 2015-02-24
Classification: A47K,G05B,G05F,H03K,Y10T

Abstract:
1. A method for managing power consumption of a battery-powered device, comprising: providing a battery-powered device that must remain in a condition to detect the presence of a user with a sensor so as to dispense a product, wherein detection of the user is a triggering event; setting a duty cycle of said sensor to a first range; starting a timer, setting said duty cycle to a second range, and dispensing the product upon detection of said triggering event; checking for the presence of another triggering event with said duty cycle set to said second range; repeating the checking step if said timer has not lapsed; returning to said setting said duty cycle of said sensor to said first range when said timer has lapsed; starting another timer upon detection of another triggering event and setting said duty cycle to a third range; checking for the presence of another triggering event with said duty cycle set to said third range; repeating the step of checking for another triggering event if said another timer has not lapsed; re-starting said another timer upon detection of said another triggering event; repeating the step of checking for another triggering event if said another timer has lapsed; re-starting said timer upon lapsing of said another timer; and re-setting said duty cycle to said second range.