Battery residual quantity display method and electronic...
Battery saving circuit for a dangerous condition warning device
Battery state of charge indicator operating on bidirectional int
Battery test system, as for smoke detector alarm
Battery thermal event detection system using a thermally...
Battery voltage alarm apparatus
Battery voltage alarm apparatus
Battery voltage checking apparatus
Battery voltage display apparatus for wireless communication...
Battery voltage drop alarm device for a battery forklift truck
Battery voltage indicator in a portable computing device
Battery with integrated tracking device
Battery-assisted backscatter RFID transponder
Battery-assisted backscatter RFID transponder
Battery-free circuit device for RF identifying tag
Battery-operated body capacitance intrusion alarm apparatus
Battery-powered fault indicator
Batteryless sensor used in security applications
Bayonet lock construction for a chip detector
Bearing and motor temperature monitor