| 摘要 |
PURPOSE:To uniform the fitting operation of a high-frequency pickup and detection perfomance by composing an antenna assembly previously of the high-frequency pickup, brackets, and a car body connecting piece, and fixing the car body connecting piece to a car body and uniting the antenna assembly to the car body. CONSTITUTION:The high-frequency pickup 38 is supported in the space part between hook parts 31a and 32a and bent parts 31b and 32b of the brackets 31 and 32, and the loop antenna 42 and an edge 34a of the car body connecting piece 34 are fixed opposite each other. The antenna assembly 70 is formed of the high-frequency pickup 38, brackets 31 and 32, and car body connecting piece 34, and the car body connecting piece 34 is clamped fixedly to the car body to fit the antenna assembly 70 to the car body in one body. The car body connecting piece 34 is a member formed by cutting and separating part of a car body ceiling plate fitted to the antenna assembly 70, and fitted to its original position by a proper fixing means, so that the high-frequency pickup 38 is fitted in a narrow space uniformly without any unreasonableness. |
