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    • 2. 发明申请
    • METHODS, APPARATUSES AND COMPUTER PROGRAMS FOR MEDIA STREAMING
    • 媒体流的方法,装置和计算机程序
    • WO2012088656A1
    • 2012-07-05
    • PCT/CN2010/080341
    • 2010-12-28
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)XIE, JinyangLING, RobbieXIA, YanmingZHANG, Michael
    • XIE, JinyangLING, RobbieXIA, YanmingZHANG, Michael
    • H04L29/00
    • H04N21/6156H04L65/1006H04L65/1069H04L65/4084
    • It is presented a method, executed in a media receiver connected to a media server in parallel via an internet protocol, IP, network and a cable television network. The method comprises the steps of : sending a media setup message to a middleware server, the media setup message comprising a content identifier, IP routing data and cable television routing data; receiving a setup confirmation message from the middleware server, the setup confirmation message comprising a transport indicator indicating which one of the IP network and the cable television network is to be used for media streaming from the media server to the media receiver; and receiving a media stream from the media server using either the IP network or the cable television network, as indicated by the transport indicator. Corresponding media receiver, middleware server, computer programs and computer program products are also presented.
    • 提出了一种在通过因特网协议,IP,网络和有线电视网络并行连接到媒体服务器的媒体接收器中执行的方法。 该方法包括以下步骤:向中间件服务器发送媒体建立消息,所述媒体建立消息包括内容标识符,IP路由数据和有线电视路由数据; 从所述中间件服务器接收设置确认消息,所述建立确认消息包括传输指示符,所述传输指示符指示所述IP网络和所述有线电视网络中的哪一个将被用于从所述媒体服务器到所述媒体接收器的媒体流; 以及如由传输指示符所指示的,使用IP网络或有线电视网络从媒体服务器接收媒体流。 还提供了相应的媒体接收器,中间件服务器,计算机程序和计算机程序产品。
    • 4. 发明申请
    • POWER CONVERTER WITH BOOST-BUCK-BUCK CONFIGURATION
    • 功率转换器,具有升压 - 降压配置
    • WO2012027719A1
    • 2012-03-01
    • PCT/US2011/049438
    • 2011-08-26
    • FLEXTRONICS AP, LLCZHANG, MichaelJUNGREIS, Aaron
    • ZHANG, MichaelJUNGREIS, Aaron
    • G05F1/00
    • H02M1/4225H02M3/158H02M3/3376H02M2001/0048H02M2001/007Y02B70/126Y02B70/1425Y02B70/1433Y02B70/1491Y02P80/112
    • A regulated power apparatus is provided. The apparatus includes an input power converting circuit configured for receiving a rectified voltage and for generating an increased voltage. An intermediate power regulating circuit generates a regulated voltage that has a lower voltage than a minimum output voltage of the input power converting circuit. The intermediate power regulating circuit is coupled to receive the increased voltage. An output power converting circuit is coupled with the intermediate power regulating circuit. The output power converting circuit receives the regulated voltage and generates an output voltage that is lower than the regulated voltage. The output power converting circuit comprises a buck converter configured to operate at a fixed duty cycle. A regulation circuit is coupled with the intermediate power regulating circuit and coupled with the output power converting circuit.
    • 提供稳压电源装置。 该装置包括:输入功率转换电路,被配置为接收整流电压并产生增加的电压。 中间功率调节电路产生具有比输入功率转换电路的最小输出电压低的电压的调节电压。 中间功率调节电路被耦合以接收增加的电压。 输出功率转换电路与中间功率调节电路耦合。 输出功率转换电路接收调节电压并产生低于调节电压的输出电压。 输出功率转换电路包括被配置为在固定占空比下操作的降压转换器。 调节电路与中间功率调节电路耦合并与输出功率转换电路耦合。