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    • 4. 发明申请
    • Transmitter Device, Bridge Device, and Receiver Device, and Network System Including the Devices
    • 发射机设备,桥接设备和接收机设备以及包含设备的网络系统
    • US20080253348A1
    • 2008-10-16
    • US10577770
    • 2005-08-30
    • Yusuke KushikiMasaaki HigashidaKenshi Taniguchi
    • Yusuke KushikiMasaaki HigashidaKenshi Taniguchi
    • H04J3/00H04L12/66
    • H04W4/02H04L29/06027H04L65/80H04L67/18H04L69/28H04N21/2368H04N21/4307H04N21/4341H04N21/43615H04N21/43637H04W56/00H04W84/005H04W88/02H04W88/04
    • A network system includes a transmitting apparatus; a transmission path; a relaying apparatus that receives real time information transmitted through the transmission path; a wireless network; and a receiving apparatus that receives data transmitted through the wireless network. The relaying apparatus has a reference time generating part that generates a reference time independently of the transmitting apparatus; and a network transmitting part that transmits both the real time information received from the transmitting apparatus and the reference time via the wireless network. The receiving apparatus has a network receiving part that receives the real time information and reference time transmitted through the wireless network; an internal time management part that generates an internal time from the reference time received by the wireless network receiving part; and a real time information processing part that decodes the real time information received by the wireless network receiving part to reproduce the content data and that then outputs the content data, based on the internal time generated by the internal time management part. This network system allows the receiving apparatus to synchronize and output video and audio, regardless of singularity or plurality of the receiving apparatus.
    • 网络系统包括发射机设备,传输线路,用于接收实时数据的桥接设备,无线网络和用于接收经由无线网络发送的数据的接收机设备。 桥接装置包括用于独立于发射机装置产生参考时间的参考时间发生器,以及用于经由无线网络发送从发射机装置接收的参考时间和实时数据的网络发射单元。 接收机装置包括:第一网络接收单元,用于接收经由无线网络发送的实时数据和参考时间;第一内部时间控制器,用于基于由第一网络接收单元接收的参考时间产生内部时间;以及 用于对由第一网络接收单元接收的实时数据进行解码以再现内容数据的实时数据处理器,并且基于由内部时间控制器产生的内部时间输出再现的内容数据。 该网络系统允许接收机设备输出彼此同步的视频和音频,即使包括多个接收机设备。
    • 8. 发明授权
    • Video and audio signal multiplex sending apparatus, receiving apparatus
and transmitting apparatus
    • 视频和音频信号多路复用发送装置,接收装置和发送装置
    • US5929921A
    • 1999-07-27
    • US616191
    • 1996-03-15
    • Kenshi TaniguchiTomotaka TakeuchiMasatoshi Tanaka
    • Kenshi TaniguchiTomotaka TakeuchiMasatoshi Tanaka
    • H04N7/04H04N7/084H04N7/087H04N7/08
    • H04N7/04H04N7/084H04N7/087
    • The present invention provides a video and audio signal multiplex transmitting apparatus having a video and audio signal multiplex sending apparatus for grouping audio data to packets of a fixed length in the sending side, and multiplexing video and audio signals by multiplexing horizontal and vertical phase signal outputs from horizontal and vertical counters that are in synchronization with a video signal to an audio data as video phase information, and a video and audio signal multiplex receiving apparatus provided with an audio packet interpolating device for separating the signal received to video and audio signals, detecting, if any audio data is lost, a lost audio data from a data block number of the audio data and audio clock phase information, and recovering an audio clock by means of horizontal and vertical counters and the clock phase information transmitted.
    • 本发明提供一种视频和音频信号多路复用发送装置,其具有用于将音频数据分组到发送侧的固定长度的分组的视频和音频信号多路复用发送装置,并且通过复用水平和垂直相位信号输出来复用视频和音频信号 从与视频信号同步的水平和垂直计数器作为视频相位信息的音频数据;以及视频和音频信号多路复用接收装置,其具有用于将接收到的信号分离成视频和音频信号的音频分组内插装置,检测 如果任何音频数据丢失,则从音频数据的数据块号和音频时钟相位信息中丢失的音频数据,以及通过水平和垂直计数器和所发送的时钟相位信息来恢复音频时钟。
    • 10. 发明授权
    • Frame synchronizing circuit for frame synchronization of digital signals
    • 帧同步电路,用于数字信号的帧同步
    • US5442405A
    • 1995-08-15
    • US172025
    • 1993-12-22
    • Kenshi TaniguchiMasatoshi TanakaNoboru MizuguchiKiyoshi Uchimura
    • Kenshi TaniguchiMasatoshi TanakaNoboru MizuguchiKiyoshi Uchimura
    • H04N7/56H04N11/04H04N5/08
    • H04N11/04H04N7/56
    • A frame synchronizing apparatus is disclosed which includes a serial-parallel converter for converting input serial data into parallel data of a plurality of channels; a plurality of intra-channel synchronization detecting circuits each for detecting a synchronization pattern and a pseudo-synchronization pattern in one channel, and generating a channel synchronization detect signal and a pseudo-synchronization detect signal in one channel; a plurality of bit-shift error pattern detecting circuits each for detecting a bit-shift error pattern in one channel, and generating a bit-shift error pattern signal in one channel; a synchronization/bit-shift error detecting circuit for detecting a synchronization between channels and specifying the amount of erroneously shifted bits, and generating a frame synchronization detect signal and bit-shift error detect signals; and a bit-shift signal generating circuit for calculating the number of erroneously shifted bits in the serial-parallel converter based on the bit-shift error detect signals and the bit-shift error pattern signals, and generating a bit-shift signal to be supplied to the serial-parallel converter, whereby bits of the calculated number are shifted.
    • 公开了一种帧同步装置,其包括用于将输入串行数据转换为多个通道的并行数据的串并转换器; 多个通道内同步检测电路,用于检测一个通道中的同步模式和伪同步模式,并在一个通道中产生通道同步检测信号和伪同步检测信号; 多个位移误差模式检测电路,用于检测一个通道中的位移误差模式,并在一个通道中产生位移误差模式信号; 用于检测通道之间的同步并指定错误位移量的同步/位移错误检测电路,以及产生帧同步检测信号和位移错误检测信号; 以及位移信号发生电路,用于根据位移误差检测信号和位移误差模式信号计算串并转换器中错误位数的数目,并产生要提供的位移信号 到串行并行转换器,由此计算出的数量的位被移位。