| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of a conventional lost article finding device including a receiver and a transmitter, which outputs an alarm sound to indicate its location, so that it is available for physically unimpaired people but unavailable for physically impaired people.SOLUTION: The lost article finding device has a receiver that includes three kinds of responses by vibration, light emission and sound, so that even physically impaired people can easily find a lost article. |
