| 摘要 |
PROBLEM TO BE SOLVED: To improve the certainly of device handling and device use manners. SOLUTION: This portable telephone device conducting a radio communication by using a radio communication line includes a shock magnitude measuring means which measures the magnitude of a shock applied to the portable telephone terminal device, a storage means which stores a predetermined threshold, a comparison-detection means which compares the shock value with the threshold and outputs a detection signal when the shock value is larger, an off-hook trigger signal output means which outputs an off-hook trigger signal according to the detection signal from the comparison-detection means, and a control means which connects a line according to the off-hook trigger signal. |
