摘要 |
<p>PURPOSE: An invisible electronic fence system and their control method are provided to regulate the activity of the objects within the constant area using a wireless telecommunication. CONSTITUTION: A radio control terminal(100) regulates the active region of control device(200) within a limited region using bidirectional RF modem module. The control device receives the command offered from the radio control terminal and performs. The control device comprises the GPS(Global Positioning System), a status light emitting diode, an audio, an electric stimulation part, a vibration driving part, a horn unit, a camera module part and a bidirectional RF modem module. The electric stimulation part, the vibration driving part and the horn unit generate an electric impact, a vibration and a horn sound.</p> |