| 摘要 |
PROBLEM TO BE SOLVED: To provide an accessory for a portable telephone terminal and a notice system such that even a user who owns the portable telephone terminal incapable of receiving an FM radio wave can acquire notice information reported through the FM radio wave.SOLUTION: A battery pack 100 includes a notice information relay part 110 and a charting part 150. The notice information relay part 110 has an FM antenna 111, an FM demodulation part 112, an A/D converter 113, and a radio transmission part 114. A smart phone 1000 has a notice information report part 1100, a control part 1200, and a built-in battery 1060. The notice information report part 1100 has a display 1120, a text conversion part 1110, and a radio reception part 1130. |
