| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of displaying battery residual capacity without the risk of battery exhaustion. SOLUTION: By a portable wireless communication terminal 1 in a restaurant, etc. equipped with a wireless transmission function, residual charge of a built-in battery 15 is converted into the number of possible wireless transmissions and reported by means of numerical display. COPYRIGHT: (C)2007,JPO&INPIT
|
