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    • 5. 发明申请
    • CONTENT TRANSMISSION DEVICE AND CONTENT TRANSMISSION METHOD
    • 内容传输设备和内容传输方法
    • US20110107083A1
    • 2011-05-05
    • US12997954
    • 2010-05-10
    • Kazuhiro NomuraKatsuhisa Yamaguchi
    • Kazuhiro NomuraKatsuhisa Yamaguchi
    • H04L9/00
    • H04N7/165H04L9/0891H04L2209/60H04N7/173H04N21/2347H04N21/2387H04N21/26606H04N21/4405
    • Provided is a content transmission device 310 that can reduce failure of content key confirmation processing during special playback such as fast-forwarding and fast-rewinding. A key management unit 312 generates or updates a key parameter, and stores therein the generated or updated key parameter. The key management unit 312 receives a key parameter from the content reception device 340, and calculates a difference between the key parameter stored therein and the received key parameter. By using the calculated difference, a transmission control unit 313 judges whether or not to change a transmission speed at which an encrypted content portion is to be transmitted, and depending on a result of the judgment, selects one of transmission speeds and transmits the encrypted content portion in accordance with the selected transmission speed. When the difference is greater than a first threshold value, the transmission control unit 313 selects one of the transmission speeds that is slower than a current transmission speed.
    • 提供了可以减少诸如快进和快退的特殊重放期间的内容密钥确认处理的失败的内容传输设备310。 密钥管理单元312生成或更新密钥参数,并在其中存储生成或更新的密钥参数。 密钥管理单元312从内容接收装置340接收密钥参数,并计算存储在其中的密钥参数与接收的密钥参数之间的差异。 通过使用计算出的差异,发送控制单元313判断是否改变要发送加密的内容部分的传输速度,并且根据判断结果选择一个传输速度并发送加密的内容 部分根据所选择的传输速度。 当该差大于第一阈值时,传输控制单元313选择比当前传输速度慢的传输速度之一。
    • 8. 发明授权
    • Torsional vibration attenuating structure in compressor
    • 压缩机扭转振动衰减结构
    • US06247902B1
    • 2001-06-19
    • US09666201
    • 2000-09-21
    • Masakazu ObayashiNaofumi KimuraAkira NakamotoKazuhiro NomuraHiroyuki Gennami
    • Masakazu ObayashiNaofumi KimuraAkira NakamotoKazuhiro NomuraHiroyuki Gennami
    • F04B4900
    • F04B27/0895F04B27/1036F04B39/0088
    • A mechanism for attenuating torsional vibration in a compressor is described. The compressor includes a swash plate secured to a drive shaft and pistons coupled to the swash plate. Compression of refrigerant gas by the pistons generates torsional vibrations of the drive shaft. The rear end of the drive shaft is coupled to a damper for attenuating torsional vibrations. The damper includes a frictional plate secured to the rear end of the drive shaft, a weight rotatably fitted about the drive shaft, and a coil spring. The coil spring elastically presses the weight against the frictional plate and elastically couples the weight with the drive shaft. When the drive shaft torsionally vibrates, the weight contacts the frictional plate and is vibrated about the axis of the drive shaft by the coil spring. As a result, energy of the torsional vibrations is consumed and the vibrations are attenuated. Further embodiments show similar dampers attached to the exterior of the compressor.
    • 描述了用于衰减压缩机中的扭转振动的机构。 压缩机包括固定到驱动轴的旋转斜盘和联接到斜盘的活塞。 活塞对制冷剂气体的压缩产生驱动轴的扭转振动。 驱动轴的后端连接到用于衰减扭转振动的阻尼器。 阻尼器包括固定到驱动轴的后端的摩擦板,围绕驱动轴可旋转地配合的重量和螺旋弹簧。 螺旋弹簧将重物弹性地压在摩擦板上并将重物与驱动轴弹性连接。 当驱动轴扭转时,重物接触摩擦板,并通过螺旋弹簧绕驱动轴的轴线振动。 结果,扭转振动的能量被消耗并且振动被衰减。 另外的实施例示出了附接到压缩机外部的类似的阻尼器。
    • 9. 发明授权
    • Method of determining the shape of spiral elements for scroll type
compressor
    • 确定涡旋式压缩机螺旋元件形状的方法
    • US5513967A
    • 1996-05-07
    • US403737
    • 1995-03-15
    • Akira NakamotoMasakazu ObayashiKazuhiro NomuraHirouki Gennami
    • Akira NakamotoMasakazu ObayashiKazuhiro NomuraHirouki Gennami
    • F04C18/02F04C18/04
    • F04C18/0269F04C2230/21
    • The surface of a central section of a spiral element formed on a stationary or a movable scroll unit of a scroll type compressor is determined through the steps of locating an outer wall surface changing point G in a first polar coordinate system X, Y having a first origin O, drawing a circle Cs with its center at the first origin O and with a diameter corresponding to the orbital radius e of the orbiting motion of the movable scroll unit, locating a contact point P at a desired contact angle .beta. on the circle Cs, drawing a straight line m passing through the contact point P and the first origin O, drawing a straight line I passing the outer wall surface changing point G and inclined at a predetermined angle .alpha. to the X-axis, determining the intersection point C of the straight lines m and I, and determining a section of the contact curve in a second polar coordinate system having its second origin at the intersection point C by determining a smooth curve interconnecting the outer wall surface changing point G and the contact point P, and smoothly merging into an outer curve at the outer surface changing point G. The compression clearance formed between the scroll elements can be substantially reduced to zero at the final stage of a compression cycle so that the compression efficiency can be improved, the vibration and noise are reduced, and that the operation reliability can be improved.
    • 通过以下步骤确定形成在涡旋式压缩机的静止或可动涡旋单元上的螺旋元件的中心部分的表面:将第一极坐标系X,Y中的外壁表面变化点G定位在具有第一 原点O,其中心处于第一原点O并且具有对应于可动涡旋单元的轨道运动的轨道半径e的直径Cs,将接触点P定位在圆周上的期望接触角β处 画出穿过接触点P和第一原点O的直线m,绘制通过外壁表面变化点G的直线I并且以X轴以预定角度α倾斜,确定交点C 直线m和I,并且通过确定将外部连接的平滑曲线确定在具有第二原点的第二极坐标系中在交点C处确定接触曲线的截面 壁面变化点G和接触点P,并且平滑地融合到外表面变化点G处的外曲面。形成在涡旋元件之间的压缩间隙在压缩循环的最后阶段可以基本上减小到零,使得 可以提高压缩效率,降低振动和噪声,并且可以提高操作可靠性。
    • 10. 发明授权
    • Side door hinge mechanism in motor vehicle
    • 机动车侧门铰链机构
    • US4641881A
    • 1987-02-10
    • US657892
    • 1984-10-03
    • Kazuhiro NomuraMasayuki Nomura
    • Kazuhiro NomuraMasayuki Nomura
    • B60J5/04E05D3/06E05D15/32B62D25/04E05D15/28
    • E05D3/147B60J5/047E05D15/32E05Y2900/531Y10T16/5476
    • A hinge mechanism for a vehicle door including a support arm and a control arm, both which are pivotably connected between a mounting surface along the vehicle body and the door. The support arm is typically mounted forward of the control arm along the vehicle body. The door includes an end surface extending between an exterior and an interior of the door adjacent the mounting surface of the vehicle body. The end surface has a lower vertical section measuring a predetermined length and an upper inclined section. The mounting surface is aligned with the vertical section. The support arm extends along a substantial portion of the predetermined length of the vertical section of the door. The support arm is mounted to the mounting surface of the vehicle body by a first shaft and a second shaft pivotally mounts the door along the end surface thereof to the opposite end of the support arm. The control arm is pivotably mounted at opposite ends between the mounting surface and the door, allowing the control arm to pivot with the support arm. The vertical dimension of the control arm is small relative to the predetermined length of the lower vertical section of the door.
    • 一种用于车门的铰链机构,其包括支撑臂和控制臂,两者都可枢转地连接在沿着车身的安装表面和门之间。 支撑臂通常沿着车身安装在控制臂的前方。 门包括在邻近车身安装表面的门的外部和内部之间延伸的端面。 端面具有测量预定长度的较低垂直部分和上倾斜部分。 安装表面与垂直部分对齐。 支撑臂沿着门的垂直部分的预定长度的大部分延伸。 支撑臂通过第一轴安装到车体的安装表面上,第二轴沿着其端面将门可枢转地安装到支撑臂的相对端。 控制臂可枢转地安装在安装表面和门之间的相对端,允许控制臂与支撑臂枢转。 控制臂的垂直尺寸相对于门的下垂直部分的预定长度较小。