Patents by Inventor TA-CHANG WANG

TA-CHANG WANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20130038126
    Abstract: A standby power system for handheld electronic device and a method for supplying standby power are introduced. The system and method enable detection whether a handheld electronic device is set to a predetermined power consumption state whereby the handheld electronic device operates in a power supplying state of a standby battery and whether a main battery of the handheld electronic device is disconnected, allowing a user to change the main battery without shutting down the handheld electronic device and thereby saving time.
    Type: Application
    Filed: October 11, 2011
    Publication date: February 14, 2013
    Inventors: TA-CHANG WANG, CHING-FENG HSIEH