Patent 7403232 was granted and assigned to Eastman Kodak on July, 2008 by the United States Patent and Trademark Office.
An intelligent power management system is particularly applicable to accessory devices that can be coupled to a basic device to provide the basic device with an enhanced feature. The accessory device includes a control processor and a power supply unit, wherein the power supply unit supplies electrical energy to the control processor in response to a control signal received from the basic device. The power supply unit includes a power management circuit that maintains the electrical energy supplied to the control processor during fluctuations of the control signal.