| 摘要 |
PURPOSE: An antenna of a radar type microwave beam sensor for adjusting a beam pattern and a gain is provided to adjust a beam pattern and a gain by a guide plate of the antenna, thereby increasing convenience of a user. CONSTITUTION: A plurality of copper foil patches is arranged on a printed circuit board. A connector is coupled with one side of the printed circuit board. The connector couples the copper foil patches with a microwave beam sensor body. A pair of guide plates are formed on both sides of the printed circuit board. A gear is coupled with the driving shaft of a gear box(30a).
|
