发明名称 WIRELESS HEADSET TELEPHONE DEVICE USING A DIGITAL RF TECHNOLOGY, CONCERNED WITH A USER TO MAKE A LONG-DISTANCE CALL WITHOUT USING THE USER'S HAND
摘要 PURPOSE: A wireless headset telephone device using a digital RF technology is provided to compress a voice of other caller into a digital signal to wirelessly transmit the digital signal, and to restore the digital signal into an originator signal to convert into an analog signal, then to supply the signal to a user. CONSTITUTION: A wireless telephone body(1) comprises as follows. A telephone circuit module(14) is used for originating/receiving. A keypad(12) consists of plural keys. A buzzer(13) outputs a predetermined receiving sound. The first digital RF module(16) communicates digital voice data with the second digital RF module of a wireless headset. The first voice CODEC(15) compresses an analog voice signal into a digital signal to transmit the digital signal to the wireless headset through the first digital RF module, restores the compressed state into an original state to convert into an analog signal, and supplies the converted signal to the telephone circuit module(14). The first battery(18) charges power supplied from a telephone/electric adapter(3). A charging circuit(17) charges the second battery of the wireless headset.
申请公布号 KR20040085990(A) 申请公布日期 2004.10.08
申请号 KR20030020871 申请日期 2003.04.02
申请人 IM, YOON SOON;SIDUS CORPORATION 发明人 IM, YOON SOON
分类号 H04B1/40;(IPC1-7):H04B1/40 主分类号 H04B1/40
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