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    • 4. 发明授权
    • Transmitting apparatus and method, receiving apparatus and method, and providing medium
    • 发送装置及方法,接收装置及方法,提供媒体
    • US06507611B1
    • 2003-01-14
    • US09299509
    • 1999-04-26
    • Kenichi ImaiMinoru TsujiTakashi Koike
    • Kenichi ImaiMinoru TsujiTakashi Koike
    • H04B138
    • H04L1/0034H04L1/0014
    • The invention intends to decode and reproduce digital audio signals in real time. A transmission rate of a transmission line is detected, and a selection instructing unit instructs, to an encoding selecting circuit, a coding method which can provide coded data having a bit rate corresponding to the detected transmission rate. In response to the instruction from the selection instructing unit, the encoding selecting circuit controls a switch so as to select one of a plurality of encoders for encoding an audio signal with different coding methods. Each frame of the audio signal cut out by a frame cutting circuit is supplied to the encoder selected by the switch for encoding thereof. Resulting coded data is outputted after an ID representing the instructed coding method has been added to the coded data in a header inserting circuit.
    • 本发明意图实时地解码和再现数字音频信号。 检测传输线路的传输速率,并且选择指示单元向编码选择电路指示可以提供具有与检测到的传输速率相对应的比特率的编码数据的编码方法。 响应于来自选择指示单元的指令,编码选择电路控制开关,以便选择用于编码具有不同编码方法的音频信号的多个编码器之一。 通过帧切割电路切出的音频信号的每帧被提供给由开关进行编码选择的编码器。 在代表指示的编码方法的ID已经被添加到标题插入电路中的编码数据之后,输出所得到的编码数据。
    • 5. 发明授权
    • Method of recording and reproducing digital audio signal and apparatus
thereof
    • 记录和再现数字音频信号的方法及其装置
    • US5687157A
    • 1997-11-11
    • US503844
    • 1995-07-18
    • Kenichi ImaiTadao SuzukiKenzo AkagiriMakoto Akune
    • Kenichi ImaiTadao SuzukiKenzo AkagiriMakoto Akune
    • G10L19/00G10L19/02G11B20/00G11B20/10G11B27/30H03M7/30H03M7/40H04B14/04G11B7/00
    • G11B27/3063G11B20/00007G11B20/10527H04N19/149H04N19/15H04N19/37H04N19/63G11B2220/2545H04N19/10H04N19/115H04N19/146
    • An audio signal recording and reproduction apparatus enabling a low frequency band signal component to be reproduced by existing reproduction apparatuses and a high frequency band component to be processed as well. A digital audio signal is divided into a low frequency band signal component and high frequency band signal component by a frequency band division filter. The low band signal component is subjected to straight PCM processing to maintain compatibility with existing reproduction methods. The high frequency band signal component is subjected to high frequency coding through a requantization circuit and entropy coding circuit. A comparison circuit compares the straight PCM signals and the high efficiency coded signals to determine if they will fit into a predetermined bit length and, when not fitting, causes the requantization circuit to perform requantization to shorten the bit length. The bit redistribution circuit performs redistribution between the straight PCM bit data and the high efficiency coded bit data. The wave data is recorded on a CD. On the CD may also be recorded the sub-code data of an entropy coding circuit and the number of requantization bits of a requantization circuit.
    • 一种音频信号记录和再现装置,其能够由现有再现装置再现低频带信号分量,并且还能够处理高频带分量。 数字音频信号通过频带分割滤波器被分成低频带信号分量和高频带信号分量。 对低频信号分量进行直接PCM处理以保持与现有再现方法的兼容性。 高频信号分量通过再量化电路和熵编码电路进行高频编码。 比较电路比较直线PCM信号和高效率编码信号,以确定它们是否适合预定的位长度,并且当不适合时,使得再量化电路执行重新量化以缩短比特长度。 位重新分配电路在直接PCM位数据和高效率编码位数据之间执行再分配。 波形数据记录在CD上。 在CD上也可以记录熵编码电路的子码数据和再量化电路的再量化位数。
    • 8. 发明授权
    • Turbine rotor assembly and steam turbine
    • 涡轮转子总成和汽轮机
    • US08753087B2
    • 2014-06-17
    • US12979004
    • 2010-12-27
    • Naoki ShibukawaYoriharu MurataAkihiro OnodaDaisuke NomuraTomohiro TejimaOsamu FuruyaKenichi Imai
    • Naoki ShibukawaYoriharu MurataAkihiro OnodaDaisuke NomuraTomohiro TejimaOsamu FuruyaKenichi Imai
    • F01D5/22
    • F01D1/04F01D5/22F05D2220/31F05D2220/3215F05D2260/96
    • A turbine rotor assembly 10 comprises a turbine rotor and a plurality of moving blades 20 implanted in a circumferential direction of the rotor. A flow passage is formed between each of the moving blades 20 and a circumferentially adjacent moving blade 20. Each of the moving blades 20 comprises a suction side connecting member 22 protruded on a blade suction surface 21 and a pressure side connecting member 24 protruded on a blade pressure surface 23, wherein the suction side connecting member 22 of each of the moving blades 20 is configured to be connected with the pressure side connecting member 24 of the circumferentially adjacent moving blade 20 to form an intermediate connecting member 30 between the moving blade 20 and the circumferentially adjacent moving blade 20 during a rotation of the turbine rotor. A downstream side end edge 32 of the intermediate connecting member 30 is positioned at an upstream side of a throat S of the flow passage.
    • 涡轮转子组件10包括涡轮转子和沿转子的圆周方向注入的多个活动叶片20。 在每个活动叶片20和周向相邻的活动叶片20之间形成有流动通道。每个活动叶片20包括突出在叶片吸入表面21上的吸力侧连接构件22和在叶片吸入表面21上突出的压力侧连接构件24。 叶片压力表面23,其中每个动叶片20的吸力侧连接构件22构造成与周向相邻的活动叶片20的压力侧连接构件24连接,以在动叶片20之间形成中间连接构件30 以及在涡轮机转子的旋转期间周向相邻的移动叶片20。 中间连接构件30的下游侧端缘32位于流路的喉部S的上游侧。