Invention Grant
US08884871B2 Adjunct device for use with a handheld wireless communication device as a screen pointer 有权
用于手持无线通信设备的辅助设备作为屏幕指针

Adjunct device for use with a handheld wireless communication device as a screen pointer
Abstract:
An adjunct device includes a case for enclosing at least a portion of a handheld wireless communication device. A plug coupled to a communication port of the handheld wireless communication device. A plurality of infrared emitters emits a corresponding plurality of infrared signals to a sensor coupled to a screen for use in generating a screen pointer graphic on the display screen.
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