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    • 24. 发明申请
    • Transmitter, Receiver And Communication System
    • 发射机,接收机和通信系统
    • US20080095247A1
    • 2008-04-24
    • US11666613
    • 2005-10-31
    • Michihiro OhnoMasafumi TakahashiKatsuo Doi
    • Michihiro OhnoMasafumi TakahashiKatsuo Doi
    • H04N11/04
    • H04L1/0019H04L1/0002H04L1/0009H04L47/10Y02D50/10
    • A source device 10 transmits streaming data. In a packet receiver 22 of a sync device 20, statistical data acquirer 23 calculates statistical data such as one-way delay time, packet loss ratio, reception rate and the like from the received streaming data and transmits it to the source device. The statistical information received by source device 20 is extracted by a packet receiver 15 and input to a channel band estimator 16. The channel band estimator 16 gives encoder 11 instructions to provide optimal encoding based on the transmission delay. Upon this, the transmission delay is calculated by assuming the minimum value of the communication delay from the start of transmission as zero. Control is performed by determining the delay time and packet loss ratio in data transmission and considering, based on these, the channel quality and bandwidth margin, so as to provide the optimal transmission bit rate or encoding rate.
    • 源装置10发送流数据。 在同步装置20的分组接收机22中,统计数据获取部23从接收到的流数据中计算单向延迟时间,分组丢失率,接收速率等统计数据,将其发送到源装置。 由源设备20接收的统计信息由分组接收机15提取并输入到信道频带估计器16。 信道频带估计器16给编码器11指令提供基于传输延迟的最佳编码。 这样,通过将从发送开始的通信延迟的最小值设为零来计算传输延迟。 通过确定数据传输中的延迟时间和丢包率来进行控制,并且基于这些,考虑信道质量和带宽裕度,从而提供最佳传输比特率或编码率。
    • 25. 发明授权
    • Transmitter
    • 发射机
    • US08281356B2
    • 2012-10-02
    • US11666613
    • 2005-10-31
    • Michihiro OhnoMasafumi TakahashiKatsuo Doi
    • Michihiro OhnoMasafumi TakahashiKatsuo Doi
    • H04N7/173
    • H04L1/0019H04L1/0002H04L1/0009H04L47/10Y02D50/10
    • A source device 10 transmits streaming data. In a packet receiver 22 of a sync device 20, statistical data acquirer 23 calculates statistical data such as one-way delay time, packet loss ratio, reception rate and the like from the received streaming data and transmits it to the source device. The statistical information received by source device 20 is extracted by a packet receiver 15 and input to a channel band estimator 16. The channel band estimator 16 gives encoder 11 instructions to provide optimal encoding based on the transmission delay. Upon this, the transmission delay is calculated by assuming the minimum value of the communication delay from the start of transmission as zero. Control is performed by determining the delay time and packet loss ratio in data transmission and considering, based on these, the channel quality and bandwidth margin, so as to provide the optimal transmission bit rate or encoding rate.
    • 源装置10发送流数据。 在同步装置20的分组接收机22中,统计数据获取部23从接收到的流数据中计算单向延迟时间,分组丢失率,接收速率等统计数据,并将其发送到源设备。 由源设备20接收的统计信息由分组接收器15提取并输入到信道频带估计器16.信道频带估计器16给编码器11指令提供基于传输延迟的最佳编码。 这样,通过将从发送开始的通信延迟的最小值设为零来计算传输延迟。 通过确定数据传输中的延迟时间和丢包率来进行控制,并且基于这些,考虑信道质量和带宽裕度,从而提供最佳传输比特率或编码率。
    • 27. 发明申请
    • IMAGE READING APPARATUS
    • 图像阅读器
    • US20110199655A1
    • 2011-08-18
    • US13029035
    • 2011-02-16
    • Masafumi Takahashi
    • Masafumi Takahashi
    • H04N1/04
    • H04N1/121H04N1/123H04N1/1235H04N1/193H04N2201/0081
    • A image reading apparatus includes a first conveyance unit which is configured to convey a document to a reading position of a platen while pinching the document, a second conveyance unit arranged on a downstream of the platen and configured to convey the document, an upstream rotary member arranged between the first conveyance unit and the second conveyance unit and configured to come into contact with the document at a position on an upstream of the reading position, and a downstream rotary member arranged between the first conveyance unit and the second conveyance unit and configured to come into contact with the document at a position on a downstream of the reading position, wherein a gap between the platen and the upstream rotary member is set smaller than a gap between the platen and the downstream rotary member.
    • 图像读取装置包括:第一输送单元,其被构造成在夹持原稿的同时将原稿输送到压纸盘的读取位置;第二输送单元,布置在压纸板的下游并构造成输送原稿;上游旋转构件 布置在所述第一输送单元和所述第二输送单元之间并构造成在所述读取位置的上游的位置处与所述原稿接触;以及下游旋转构件,布置在所述第一输送单元和所述第二输送单元之间, 在读取位置的下游位置处与文件接触,其中压板和上游旋转构件之间的间隙被设定为小于压板和下游旋转构件之间的间隙。
    • 28. 发明申请
    • WIRELESS RECEIVER
    • 无线接收器
    • US20080165862A1
    • 2008-07-10
    • US11775252
    • 2007-07-10
    • Masafumi Takahashi
    • Masafumi Takahashi
    • H04N7/24
    • H04L7/0337H04N21/2368H04N21/41407H04N21/4305H04N21/4341
    • A bitstream analysis circuit, generates a reference clock control data. A reference clock DPLL receives a system clock signal and reference clock control data from the analysis circuit and generates a reference clock signal. The reference clock DPLL comprises a 1/n frequency dividing circuit for frequency-dividing the system clock signal, and a 1/(n+1) frequency dividing circuit for frequency-dividing the system clock signal. A register stores data to set frequency dividing ratios of both frequency dividing circuits. A mixing ratio set register stores data to set a mixing ratio between output clock signals from both frequency dividing circuits and a mixing circuit, and mixes the output clock signals from both frequency dividing circuits at a mixing ratio in response to the data in the mixing ratio setting register.
    • 比特流分析电路,生成参考时钟控制数据。 参考时钟DPLL从分析电路接收系统时钟信号和参考时钟控制数据,并产生参考时钟信号。 参考时钟DPLL包括用于对系统时钟信号进行分频的1 / n分频电路和用于对系统时钟信号进行分频的1 /(n + 1)分频电路。 寄存器存储数据以设置两个分频电路的分频比。 混合比设定寄存器存储数据,以设定来自两个分频电路和混合电路的输出时钟信号之间的混合比,并且以混合比率混合来自两个分频电路的输出时钟信号,混合比率 设定寄存器。