Patent ID: 6295002
Filing Date: 2001-09-25
Classification: G08B,H02J,H04W,Y02D

Abstract:
A battery voltage display apparatus, for a wireless communication system, the battery voltage display apparatus including an input device, powered by a battery, having an input section for accepting entry of input and a transmission section for wirelessly transmitting the input, and a system main section having a receiving section for receiving transmission of the transmission section,wherein:the system main section includes:a display section for displaying battery voltage information of the battery;a timing instruction section for deciding a timing of instructions the input device to detect remaining power;a main section transmission section for wirelessly transmitting the instructions for remaining power detection to the input device, andthe input device includes:an input receiving section for receiving the instructions for remaining power detection;a remaining power detection circuit for detecting remaining power of the battery in receipt of the instructions for remaining power detection, and for transferring a result of detection to the display section via the transmission section and the receiving section.