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    • 115. 发明申请
    • Fault detection and isolation system for an HFC cable network and method therefor
    • HFC电缆网故障检测和隔离系统及其方法
    • US20060218612A1
    • 2006-09-28
    • US11069156
    • 2005-03-01
    • Keith JohnsonAmol Mandlekar
    • Keith JohnsonAmol Mandlekar
    • H04N7/173
    • H04N21/6118H04L43/0817H04L43/10H04L43/16H04N21/2543H04N21/6168H04N21/6338H04N21/6473
    • A fault detection and isolation system for an HFC cable network and method therefore. A ping list generator captures set top box (STB) identifying information from a billing system, and STB state information from a network control system. The ping list generator creates a ping list from the STB identifying information and the STB state information, wherein the list comprises the IP address of a set of the addressable STBs connected to an HFC cable network. In an exemplary embodiment, the set is of sufficient size to be representative of the health of the HFC cable network. In another embodiment of the present invention, the set comprises substantially all of the addressable STBs connected to the HFC cable network. A ping generator, pings the IP address of the STB and awaits a response. If the response is received from the STB, then identify the STB as responsive. If the response is not received, then identify the STB as non-responsive. A fault isolation processor associates the STB identifying information and the ping response, determines whether a non-responsive fault indicator is present, and, if the fault indicator is present, then identifies a likely cause of the non-responsive fault.
    • 一种用于HFC电缆网络的故障检测和隔离系统及方法。 ping列表生成器捕获来自计费系统的机顶盒(STB)识别信息,以及来自网络控制系统的STB状态信息。 ping列表生成器从STB识别信息和STB状态信息创建ping列表,其中列表包括连接到HFC电缆网络的一组可寻址STB的IP地址。 在示例性实施例中,该组具有足够的尺寸以代表HFC电缆网络的健康。 在本发明的另一个实施例中,该组包括连接到HFC电缆网络的基本上所有可寻址STB。 ping生成器,ping STB的IP地址,并等待响应。 如果从STB接收到响应,则将STB识别为响应。 如果没有收到响应,则将STB识别为无响应。 故障隔离处理器将STB识别信息和ping响应相关联,确定是否存在无响应故障指示符,并且如果存在故障指示符,则识别出无响应故障的可能原因。
    • 119. 发明申请
    • Addressable tap capable of detecting numbers of TV sets online to watch CATV porgrams
    • 可寻址的水龙头能够在线检测电视机的数量,以观看有线电视门票
    • US20040221316A1
    • 2004-11-04
    • US10827147
    • 2004-04-19
    • Yung-Liang ChangChih-chou Shih
    • H04N007/16H04N007/173
    • H04N7/104H04N7/17354H04N21/25435H04N21/44227H04N21/6338H04N21/6408
    • An addressable tap capable of detecting number of TV sets online to watch CATV programs consisting of a main block and a cable connecting from the terminal of said main block and the user. Said main block consists of a main central processing unit (CPU) and RF switches that are electrically connected is featured by: Said cable is equipped with a locking device at its user end and this locking device consists of a detection device and a sub-CPU that communicates with said main CPU; said detection device is electrically connected to the sub-CPU; In case said locking device is plugged out, the detection device will detect the information and transmit it to said microprocessor, which will send the information to said main CPU. Said main CPU will instruct the RF switches to shut off CATV signals at the terminal. the present invention has the following effects: CATV operators can collect different fees in accordance with number of TV sets online to watch TV programs and avoid income losses of CATV operators.
    • 一种能够在线查看电视机数量的可寻址分接头,用于观看由主块和从所述主块的终端和用户连接的电缆组成的CATV节目。 所述主块由主中央处理单元(CPU)和电连接的RF开关组成,其特征在于:所述电缆在其用户端配备有锁定装置,该锁定装置由检测装置和子CPU 与所述主CPU通信; 所述检测装置电连接到子CPU; 在所述锁定装置被插出的情况下,检测装置将检测信息并将其发送到所述微处理器,这将将信息发送到所述主CPU。 所述主CPU将指示RF开关在终端处切断CATV信号。 本发明具有以下效果:有线电视运营商可以根据电视机数量收集不同的收费电视节目,避免有线电视运营商的收入损失。
    • 120. 发明申请
    • Addressable tap with status collect and verification functions used in CATV networks
    • 具有CATV网络中使用的状态收集和验证功能的可寻址点击
    • US20040221314A1
    • 2004-11-04
    • US10827592
    • 2004-04-19
    • Yung-Liang ChangChih-chou Shih
    • H04N007/16H04N007/173
    • H04N21/6338H04N7/17354H04N21/2543H04N21/25866H04N21/6408
    • An ADTap status collect, verification device that can be used in CATV addressable taps is featured by: a fed-back signal monitor located at the front of addressable tap and a fed-back signal detector; Said monitor consists of a receiving circuit, a CPU and radio frequency (RF) transmitting circuit. Said receiving circuit and radio frequency (RF) transmitting circuit are electrically connected with the CPU separately; Said detector consists of radio frequency (RF) receiving circuit, CPU and displaying circuit; said radio frequency (RF) receiving circuit and displaying circuit are electrically connected to CPU; Said monitor and detector are linked for communications. Compared with the existing technology, the present invention has the following effects: by way of supervising the cutting-off status of RF switches of the addressable taps capable of payment collection management, full management on payment collection can be realized. It is easy in management at low management costs.
    • 可用于CATV可寻址抽头的ADTap状态收集,验证装置的特点是:位于可寻址抽头前端的反馈信号监视器和反馈信号检测器; 所述监视器由接收电路,CPU和射频(RF)发射电路组成。 所述接收电路和射频(RF)发射电路分别与CPU电连接; 所述检测器由射频(RF)接收电路,CPU和显示电路组成; 所述射频(RF)接收电路和显示电路电连接到CPU; 所述监视器和检测器被链接用于通信。 与现有技术相比,本发明具有以下效果:通过监督能够进行支付收集管理的可寻址抽头的RF开关的截止状态,可以实现对收款的全面管理。 管理成本低,管理成本低。