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    • 6. 发明申请
    • APPARATUS AND METHOD FOR CONTROLLING AUTOMATIC RESERVED RECORDING IN BROADCASTING RECEIVING TERMINAL
    • 用于控制广播接收终端中的自动保留记录的装置和方法
    • US20080089663A1
    • 2008-04-17
    • US11873911
    • 2007-10-17
    • Sun-Gi LeeKang-Hoon LeeCheong-Sun LeeHark-Soo Kim
    • Sun-Gi LeeKang-Hoon LeeCheong-Sun LeeHark-Soo Kim
    • H04N5/91
    • H04N5/76H04N21/41407H04N21/4334H04N21/47214
    • An apparatus and method for controlling automatic reserved recording in a broadcast-receiving terminal, in which a reserved recording function can be performed at accurate time based on a time difference between communication time for communication and broadcasting time, is provided. The apparatus includes a broadcasting part for receiving broadcasting program information and broadcasting and processing the received broadcasting, a memory unit for storing at least one of communication time information, broadcasting time information, time difference information, and guard time information for allowing a user to recheck reservation information prior to reserved recording time, a display unit, and a controller for periodically calculating and updating the broadcasting time by adding the time difference to the communication time upon user's setting of reserved recording for at least one broadcast, and controlling the broadcasting part to record the at least one broadcast when the broadcasting time is identical to the reserved recording time.
    • 提供一种用于控制广播接收终端中的自动预约记录的装置和方法,其中可以基于通信通信时间和广播时间之间的时间差在准确的时间执行预约记录功能。 该装置包括用于接收广播节目信息并广播和处理所接收的广播的广播部分,用于存储通信时间信息,广播时间信息,时差信息和用于允许用户重新检查的保护时间信息中的至少一个的存储单元 保留记录时间之前的预约信息,显示单元和控制器,用于通过在用户设置用于至少一个广播的预约记录时将与通信时间相加的时间差相加来周期性地计算和更新广播时间,并且控制广播部分 当广播时间与保留的记录时间相同时,记录至少一个广播。
    • 7. 发明授权
    • Power rate enhancement circuit for an RF power amplifier in a dual mode mobile phone
    • 双模移动电话中RF功率放大器的功率增强电路
    • US06950637B2
    • 2005-09-27
    • US09997503
    • 2001-11-19
    • Hark-Soo Kim
    • Hark-Soo Kim
    • H04B1/54H03F1/56H03F3/72H04B1/04H04B1/40
    • H04B1/04H03F1/56H03F3/72H04B1/0458H04B1/406
    • There is provided a power rate enhancement circuit for a power amplifier in a dual mode mobile phone including an RF power amplifier for amplifying an RF input signal, a duplexer connected to an antenna, and an isolator connected to the duplexer. The power enhancement circuit also comprises: a CDMA matching circuit connected to an output end of the RF power amplifier, for matching an output impedance of the RF power amplifier in a CDMA mode of operation; an AMPS matching circuit connected to the output end of the RF power amplifier, for matching the output impedance of the RF power amplifier in an AMPS mode of operation; and an RF switch for selecting the CDMA matching circuit or the AMPS matching circuit according to a mode control signal. The CDMA matching circuit comprises an inductor connected between the output end of the RF power amplifier and the isolator. The AMPS matching circuit comprises a capacitor connected between the RF switch and a contact point formed between the inductor and the isolator.
    • 提供了一种用于双模移动电话中的功率放大器的功率增强电路,其包括用于放大RF输入信号的RF功率放大器,连接到天线的双工器以​​及连接到双工器的隔离器。 功率增强电路还包括:连接到RF功率放大器的输出端的CDMA匹配电路,用于在CDMA操作模式下匹配RF功率放大器的输出阻抗; AMPS匹配电路,连接到RF功率放大器的输出端,用于匹配在AMPS操作模式下的RF功率放大器的输出阻抗; 以及用于根据模式控制信号选择CDMA匹配电路或AMPS匹配电路的RF开关。 CDMA匹配电路包括连接在RF功率放大器的输出端和隔离器之间的电感器。 AMPS匹配电路包括连接在RF开关和形成在电感器和隔离器之间的接触点之间的电容器。
    • 10. 发明申请
    • DEVICE FOR PREVENTING POP NOISE IN AN AUDIO OUTPUT APPARATUS AND METHOD THEREFOR
    • 用于防止音频输出设备中的声音噪声的设备及其方法
    • US20080049952A1
    • 2008-02-28
    • US11845645
    • 2007-08-27
    • Byeng-Sang JUNGHark-Soo Kim
    • Byeng-Sang JUNGHark-Soo Kim
    • H04B15/00
    • H03F1/305H03F2200/03H03F2200/345H03F2200/351H03F2200/417H03F2200/48H03G3/348
    • An audio output apparatus having an audio codec for generating audio signals delivered to a speaker is provided with a device for preventing an audio pop noise caused by the bias voltage output from the audio codec, which includes a capacitor connected between an output end of the audio codec and the speaker, a capacitor charger for smoothly charging the capacitor to a predetermined voltage level, a switch arranged between the junction of the output end of the audio codec and the capacitor and the capacitor charger, and a control unit for controlling the codec, wherein the control unit turns on the switch and drives the capacitor charger before activating the audio codec, and then turns off the switch and terminates the operation of the capacitor charger if a predetermined charging time has elapsed. A method for preventing the audio pop noise caused by a bias voltage output from the audio codec includes smoothly charging the capacitor to have the same voltage level as the bias voltage of the audio codec before activating the audio codec, and activating the audio codec.
    • 具有用于产生传送到扬声器的音频信号的音频编解码器的音频输出设备设置有用于防止由音频编解码器输出的偏置电压引起的音频弹出噪声的装置,该音频编解码器包括连接在音频的输出端之间的电容器 编解码器和扬声器,用于将电容器平滑地充电到预定电压电平的电容器充电器,布置在音频编解码器的输出端的接头与电容器之间的开关和电容器充电器,以及用于控制编解码器的控制单元, 其中所述控制单元在激活所述音频编解码器之前接通所述开关并驱动所述电容器充电器,然后如果经过预定的充电时间,则关闭所述开关并终止所述电容器充电器的操作。 一种用于防止由音频编解码器输出的偏置电压引起的音频弹出噪声的方法包括在激活音频编解码器之前平滑地对该电容器充电以使其具有与音频编解码器的偏置电压相同的电压电平,以及激活音频编解码器。