A miniaturized and thin slot antenna device maintains high transmitting and receiving performance by improving the configuration of an antenna body and a circuit substrate. The slot antenna device includes an antenna body made of an electrically conductive member having a slot into which the circuit...http://www.google.fr/patents/US5940041?utm_source=gb-gplus-shareBrevet US5940041 - Slot antenna device and wireless apparatus employing the antenna device
Slot antenna device and wireless apparatus employing the antenna device
