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    • 4. 发明授权
    • Apparatus and method for filtering voiceband and metering tone frequencies of a mixed voice/data signal
    • 用于过滤混合语音/数据信号的语音频带和测量音频的装置和方法
    • US06728367B1
    • 2004-04-27
    • US09521589
    • 2000-03-09
    • Steven M. Swam
    • Steven M. Swam
    • H04M100
    • H04M11/062
    • An apparatus and method provide for filtering of voiceband and specified tone frequencies of a mixed voice/data signal, such as an Asymmetric Digital Subscriber Line (ADSL) signal. A lowpass filter section passes voiceband content of the mixed signal and suppresses mixed signal content having frequencies falling within a databand of the mixed signal. A bandpass filter section is coupled to or integral with the lowpass filter section and passes the specified tone frequency, such as a metering or billing tone frequency. The lowpass and bandpass filter sections exhibit a combined frequency response that provides for a stopband between the voiceband and the metering tone frequency. The bandpass filter section effectively detunes a frequency response of the lowpass filter section to provide for the stopband. The stopband preferably provides for an insertion loss of 3 dB or greater between the voiceband and the metering tone frequency, and suppresses undesirable mixed signal content having frequencies falling within the stopband. The lowpass filter section and the bandpass filter section may each be implemented to include only passive components, such as passive magnetic components.
    • 一种装置和方法提供对诸如非对称数字用户线(ADSL)信号的混合语音/数据信号的语音频带和指定音调频率的滤波。 低通滤波器部分传递混合信号的语音带内容,并抑制频率落在混合信号的数据库内的混合信号内容。 带通滤波器部分耦合到低通滤波器部分或与低通滤波器部分成一体,并且传递指定的音调频率,例如计量或计费音频率。 低通和带通滤波器部分呈现组合的频率响应,其提供语音频带和测光音频率之间的阻带。 带通滤波器部分有效地消除低通滤波器部分的频率响应以提供阻带。 阻带优选地在语音频带和计量乐音频率之间提供3dB或更大的插入损耗,并且抑制具有落在阻带内的频率的不期望的混合信号内容。 低通滤波器部分和带通滤波器部分可以各自被实现为仅包括无源部件,例如无源磁性部件。
    • 5. 发明申请
    • DYNAMICALLY DETECTING A DEFECTIVE CONNECTOR AT A PORT
    • 在端口动态检测缺陷连接器
    • US20120246523A1
    • 2012-09-27
    • US13426805
    • 2012-03-22
    • Laxman R. AnneJeffrey J. MillerSteven M. SwamEric W. Sybesma
    • Laxman R. AnneJeffrey J. MillerSteven M. SwamEric W. Sybesma
    • G06F11/07
    • H04L41/12
    • A connector assembly comprises a plurality of ports. Each of the plurality of ports is configured to receive a respective connector attached to a respective segment of physical communication media. Each of the plurality of ports comprises a respective media interface configured to receive data from a respective storage device attached to the respective connector. The connector assembly is configured to determine if a first connector attached to a first port included in the plurality of ports is defective by determining if a signal level received on the respective media interface associated with the first port has stabilized after a first predetermined amount of time has elapsed since the first connector was connected to the first port. If the signal level has not stabilized after the first predetermined amount of time has elapsed since the first connector was connected to the first port, the first connector is considered defective.
    • 连接器组件包括多个端口。 多个端口中的每一个被配置为接收附接到物理通信介质的相应段的相应连接器。 多个端口中的每一个包括被配置为从连接到相应连接器的相应存储装置接收数据的相应介质接口。 连接器组件被配置为通过确定在与第一端口相关联的各个媒体接口上接收到的信号电平在第一预定时间量之后是否已经稳定来确定附接到包括在多个端口中的第一端口的第一连接器是否有故障 从第一连接器连接到第一端口已经过去了。 如果在从第一连接器连接到第一端口开始经过第一预定量的时间之后信号电平没有稳定,则认为第一连接器是有缺陷的。
    • 7. 发明授权
    • Dynamically detecting a defective connector at a port
    • 在端口动态检测有缺陷的连接器
    • US08832503B2
    • 2014-09-09
    • US13426805
    • 2012-03-22
    • Laxman R. AnneJeffrey J. MillerSteven M. SwamEric W. Sybesma
    • Laxman R. AnneJeffrey J. MillerSteven M. SwamEric W. Sybesma
    • G06F11/00
    • H04L41/12
    • A connector assembly comprises a plurality of ports. Each of the plurality of ports is configured to receive a respective connector attached to a respective segment of physical communication media. Each of the plurality of ports comprises a respective media interface configured to receive data from a respective storage device attached to the respective connector. The connector assembly is configured to determine if a first connector attached to a first port included in the plurality of ports is defective by determining if a signal level received on the respective media interface associated with the first port has stabilized after a first predetermined amount of time has elapsed since the first connector was connected to the first port. If the signal level has not stabilized after the first predetermined amount of time has elapsed since the first connector was connected to the first port, the first connector is considered defective.
    • 连接器组件包括多个端口。 多个端口中的每一个被配置为接收附接到物理通信介质的相应段的相应连接器。 多个端口中的每一个包括被配置为从连接到相应连接器的相应存储装置接收数据的相应介质接口。 连接器组件被配置为通过确定在与第一端口相关联的各个媒体接口上接收到的信号电平在第一预定时间量之后是否已经稳定来确定附接到包括在多个端口中的第一端口的第一连接器是否有故障 从第一连接器连接到第一端口已经过去了。 如果在从第一连接器连接到第一端口开始经过第一预定量的时间之后信号电平没有稳定,则认为第一连接器是有缺陷的。