Patent ID: 6892077
Filing Date: 2005-05-10
Classification: G06F,H04M

Abstract:
1. An external data-input device for a portable electronic device comprising: a speech receiving and recognizing device detachably connected with said portable electronic device for sending a controlling signal to said portable electronic device when said speech receiving and recognizing device receives a first sound speech signaling; for receiving the sound speech signal and converting it into an analog signal; electrically connected to the microphone, for filtering from the analog signal noises different from human sound frequencies; electrically connected to the filter, for converting the filtered analog signal into a first digital signal; electrically connected to the analog-to-digital converter, for storing the first digital signal and the controlling signal and building a corresponding relation between said first digital signal and said controlling signal; electrically connected to said analog-to-digital converter and said storing device, for comparing said first digital signal stored in said storing device with a second digital signal which is converted from a second sound speech signal via said microphone, said filter and analog-to-digital converter, and sending said controlling signal to said portable electronic device according to said corresponding relation between said first digital signal and said controlling signal when the degree of the similarity between said first digital signal and said second digital signal is larger then a threshold value; and an input device detachably connected to said speech receiving and recognizing device and said portable electronic device for storing said controlling signal in said speech receiving and recognizing device when said input device is connected to said speech receiving and recognizing device.