| 摘要 |
An information display device is assembled with at least one temple of a spectacle frame. The information display device includes a circuit and a speaker located close to a user's ear. The circuit is connected to the speaker via a wire. The information display device converts the electromagnetic wave from the base station to a direct current that make the speaker sound. Since the information display device is arranged inside the temple of the spectacle frame close to the user's ear, the user is quickly alerted of an incoming telephone call.
|
