| 摘要 |
PURPOSE: A hand tremor clock is provided to let a user know the time through the direct physical contact with the user by adding a vibration alarm function. CONSTITUTION: A hand tremor clock comprises a visibility circuit(10), a vibration alarm devices(20,21,22) and a two stepped switch(30). The visibility circuit is composed of a digital integrated circuit or an analog circuit. The vibration alarm devices are installed at positive terminal and have the vibration of a radio pager. The two stepped switch selects a kind of alarm and is connected to a terminal of a buzzer(50) or a terminal of vibration alarm devices. A switch(40) turning the alarm on or off is connected to the visibility circuit.
|
