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KR20040008260A
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A Color Picture Display Apparatus and Method
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KR100394886B1
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Apparatus and method for improving resolution of liquid crystal display
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KR20030083031A
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Method and apparatus oftransforming visual information into hearing information
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The method and equipment for USB Host/Client mode detection and changing
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KR20030062766A
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The internet phone gateway apparatus connected to Private Branch Exchange(PBX) or Key-Phone system for internet phone service
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DC Power Supply for Wireless Modem into the Watt-Meter.
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A Scheme on the Outgoing VoIP(Voice over IP) Call-Setup for Virtual(or Private) IP Terminals
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KR20020064611A
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Wireless modem for internet terminal
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Apparatus and Full-duplex method for 2-wire line communication using dual-unipolar pulse signal
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Apparatus and method of pulse shaping for a minimum bandwidth transmission using unipolar pulse
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KR20020045408A
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Internet phone combined with regular phone using dual type keypad
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KR20010075862A
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The internet phone apparatus
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KR20010068446A
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The Mobile Subscriber Roaming Control of CDMA WPBX/Keyphone System
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KR20010038092A
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CDMA PBX/Keyphone System Having Connection to PSTN and Mobile Network
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