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    • 10. 发明公开
    • 휴대단말기의 송신출력 제한장치 및 방법
    • 在无线终端限制传输输出的设备和方法
    • KR1020130008947A
    • 2013-01-23
    • KR1020110069652
    • 2011-07-13
    • 삼성전자주식회사
    • 길광민안해준
    • H04W52/18H04W88/02
    • H04W52/246H04B17/103H04B17/12H04W52/18H04W52/0267H04W88/02
    • PURPOSE: A transmission output limiting device of a portable terminal and a method thereof are provided to limit transmission output when a human body touches surroundings of an antenna with even only a sensing of the antenna. CONSTITUTION: An RF(Radio Frequency) unit(100) includes a circulator, a power sensing unit, and a power measuring unit. The RF unit senses transmission power reflected according to a mismatch degree of an antenna when the transmission power is emitted through the antenna. The RF unit measures transmission power increased according to the reflected transmission power. If the measured transmission power is more than a fixed value, a control unit(200) outputs limited transmission power. [Reference numerals] (110) Power measurement unit; (112) Circulator; (113) Duplexer; (114) Power sensing unit; (200) Control unit
    • 目的:提供便携式终端的传输输出限制装置及其方法,以便即使只是感测天线,当人体接触天线的周围时也限制传输输出。 构成:RF(射频)单元(100)包括循环器,功率检测单元和功率测量单元。 当通过天线发射发射功率时,RF单元根据天线的失配度来感测反射的发射功率。 RF单元根据反射的发射功率来测量传输功率增加。 如果测量的发射功率大于固定值,则控制单元(200)输出有限的发射功率。 (附图标记)(110)功率测量单元; (112)循环器 (113)双工器; (114)功率检测单元; (200)控制单元