| 摘要 |
A wrist watch for preventing loss of a product of the present invention comprises: a main body; an RF reception unit receiving data stored in an RFID chip as signals through wireless communications with the RFID chip positioned in a product; an audio output unit provided to output an audio sound for alarm or notification from the main body; a vibration motor installed to generate vibrations in the main body; a time display unit installed to be exposed on one surface of the main body and to display time; a control unit calculating a distance from the product based on the signals of the RFID chip received by the RF reception unit, and controlling the audio output unit to output the audio sound for alarm or notification if the product gets out of the predetermined distance , the vibration motor to generate the vibrations, the audio output unit to output an audio sound notifying of time expiration if the time displayed by the time display unit corresponds to the predetermined time, the time display unit to display the emergency contact of a user at constant time intervals or all the time according to display setting of emergency contacts a setting unit provided in the main body to which signals for changing time of the time display unit, setting an alarm, setting of input and display of the emergency contacts are inputted. According to the present invention, it is possible to improve the convenience of use by allowing a user to intuitively and easily find out a distance from a product. In addition, the wrist watch of the present invention provides various functions such as displaying of contacts for an emergency, inputting of the names of products being monitored for loss prevention, and avoids damage caused by external impacts, thereby having high reliability in operations under any circumstance. |
