Miniaturization of Ultra Low Profile Inverted L antenna
Details
The ultra low profile inverted L antenna on a rectangular conducting plane is miniaturized for a receiving antenna of the keyless entry system of the car. The horizontal element of the inverted L antenna is bent to the meander shape. The return loss, the radiation characteristics and current distributions of the antenna are discussed for the different antenna parameters. In the case of the antenna height of 32mm, the size of conducting plane is 70mm by 350mm, the directivity of 2.55dBi is obtained in the frequencies from 321MHz to 315.25MHz.
