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    • 3. 发明授权
    • Apparatus and method for controlling operation of audio low sound output means
    • 用于控制音频低音输出装置的操作的装置和方法
    • US07680284B2
    • 2010-03-16
    • US11019472
    • 2004-12-23
    • Kyu Ho LeeJun Hyung ParkYang Ki Kim
    • Kyu Ho LeeJun Hyung ParkYang Ki Kim
    • H04R29/00
    • H04R5/04G06F3/162
    • The present invention is related to an apparatus and a method for controlling operations of low sound output in an audio system. Embodiments of an apparatus and a method for controlling an operation of an audio woofer in a machine provided with an audio system such as a portable computer can operate using at least one or more information of an audio data type, an audio signal, an audio channel number and a power source. Therefore, it is possible to accurately select and listen to an audio of a high-pass component only by stopping operations of a low-pass component for an audio as reproduced. In addition, embodiments of the present invention can extend a time for using a battery by controlling operations of a woofer, when using the battery power.
    • 本发明涉及一种用于控制音频系统中低声音输出的操作的装置和方法。 用于控制设置有诸如便携式计算机的音频系统的机器中的音频低音扬声器的操作的装置和方法的实施例可以使用音频数据类型,音频信号,音频信道的至少一个或多个信息来操作 数量和电源。 因此,只有通过停止对再现的音频的低通分量的操作,才能准确地选择和收听高通分量的音频。 此外,本发明的实施例在使用电池电力时可以通过控制低音扬声器的操作来延长使用电池的时间。
    • 4. 发明申请
    • Apparatus and method for transmitting data in a wireless local area network
    • 用于在无线局域网中发送数据的装置和方法
    • US20070076741A1
    • 2007-04-05
    • US11446500
    • 2006-06-05
    • Kyu-Ho LeeHee-Yong Youn
    • Kyu-Ho LeeHee-Yong Youn
    • H04L12/413
    • H04W74/0808H04L47/10H04L47/14
    • An apparatus and method are provided for transmitting data in a station of a wireless local area network (LAN) system. In the apparatus, a data queue stores transmission data, and a data processor processes data output from the data queue. A radio frequency (RF) module up-converts a signal output from the data processor to a frequency band of the wireless LAN system, and transmits the up-converted signal as an RF signal. A scheduler performs scheduling such that a specific stepping index decreases each time a backoff time reaches ‘0’ so as to determine whether to transmit the data, and the data is transmitted when both the stepping index and the backoff time reach ‘0’. A backoff stepping generator determines an initial value of the stepping index within a predetermined range.
    • 提供了一种用于在无线局域网(LAN)系统的站中发送数据的装置和方法。 在该装置中,数据队列存储发送数据,数据处理器处理从数据队列输出的数据。 射频(RF)模块将从数据处理器输出的信号上变频到无线LAN系统的频带,并将上变频信号作为RF信号发送。 调度器执行调度,使得每次退避时间达到0时,特定的步进索引减小,以便确定是否发送数据,并且当步进索引和退避时间都达到0时,数据被传送。 退避步进发生器将步进索引的初始值确定在预定范围内。