H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/38 (2006.01)
Patent
CA 2589822
A stack-up configuration for a wireless communication device includes a display and keypad on a front face of a housing for the device. A battery for providing power to the components of the wireless communication device is stacked behind the display. A circuit board that holds processing and RF circuitry for the wireless communication device is stacked behind the battery, with a top surface of the circuit board adjacent the battery. Noisy circuitry on the circuit board is covered by shielding on a back surface of the circuit board. An external or internal antenna is connected to the circuit board at a feed point. The antenna in one embodiment of the invention is stacked behind the circuit board, that is, between a back face of the housing and the back surface of the circuit board. The location of the battery between the display and the circuit board lowers the amount of energy radiating from the wireless communications device in the concerned near field range.
L'invention porte sur une configuration empilée d'un dispositif de communication sans fil dont l'écran et le clavier sont disposés sur la face frontale du boîtier. La batterie d'alimentation des composants du dispositif est "empilée" derrière l'écran; la plaquette qui porte les circuits de communication est "empilée" derrière la batterie, sa surface supérieure jouxtant la batterie; les circuits bruyants de la plaquette sont couverts par un blindage disposé sur la surface arrière de la plaquette; une antenne extérieure ou intérieure est raccordée à plaquette en un point d'alimentation. Dans une exécution l'antenne est "empilée" derrière la plaquette, c.-à-d. entre la face arrière du boîtier et la surface arrière de la plaquette. La position de la batterie entre l'écran et la plaquette abaisse la quantité d'énergie irradiée par le système de communication sans fil dans la plage de champ proche concernée.
Lu Lin
Sitachitt Sidney
Kyocera Corporation
Kyocera Wireless Corp.
Smart & Biggar
LandOfFree
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