Device and method used for adjusting handset illumination brightness

The invention relates to the electronic communication technology field and particularly relates to a device and a method used for adjusting handset illumination brightness. Through adjusting a wave duty ratio, an average current of an electric torch can be adjusted through the wave duty ratio; when...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG QI, JIANG QIAO, PAN HAODA, LI DANYANG, ZHENG MUHUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION WIRELESS COMMUNICATIONS NETWORKS
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