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    • 4. 发明授权
    • Focus detecting system
    • 聚焦检测系统
    • US5446494A
    • 1995-08-29
    • US284757
    • 1994-08-02
    • Kouichi UedaMasamichi ToyamaHirofumi SudaNaoya KanedaYouichi Iwasaki
    • Kouichi UedaMasamichi ToyamaHirofumi SudaNaoya KanedaYouichi Iwasaki
    • G02B7/28H04N5/232G03B13/36
    • H04N5/23212G02B7/28
    • A focus detecting system for effecting automatic focusing by detecting the in-focus position of a focusing lens and driving the focusing lens to this position. This system has a signal processing means supplied with a video signal from image pick-up means to output a signal related to the in-focus state, a detection means for detecting the position of a focusing lens for forming an image in the image pick-up means, when the signal output from the signal processing means is processed, and a calculating means for calculating the presupposed in-focus position of the focusing lens from at least two groups of items of data on the signal outputted from the signal processing means and on the position of the focusing lens supplied from the detection means. Each time the deviation of the present position of the focusing lens from the presupposed in-focus position is calculated, the focusing lens is driven to move to an extent smaller than the deviation, thus being focused.
    • 一种焦点检测系统,用于通过检测聚焦透镜的对焦位置并将聚焦透镜驱动到该位置来实现自动聚焦。 该系统具有提供有来自图像拾取装置的视频信号以输出与对焦状态有关的信号的信号处理装置,用于检测用于在图像拾取装置中形成图像的聚焦透镜的位置的检测装置, 当从信号处理装置输出的信号被处理时,上升装置和用于从信号处理装置输出的信号上的至少两组数据中计算聚焦透镜的预先设定的对焦位置的计算装置和 在从检测装置提供的聚焦透镜的位置上。 每次计算聚焦透镜的当前位置与预先设定的对焦位置的偏差时,驱动聚焦透镜移动到比偏差小的程度,从而聚焦。
    • 9. 发明授权
    • Antifriction bearing pre-loading device and shaft bearing structure
    • 减速轴承预载装置和轴承结构
    • US5803619A
    • 1998-09-08
    • US571184
    • 1995-12-12
    • Shinsuke TabataKiyoshi OginoKouichi Ueda
    • Shinsuke TabataKiyoshi OginoKouichi Ueda
    • B23B19/02B23Q1/26F16C19/52F16C25/08F16C33/66F16C23/10F16C43/04
    • B23Q1/265F16C19/52F16C25/08F16C19/548
    • A piston is displaced in a cylinder to pre-load an antifriction bearing. This displacement of the piston is effected according to the amount of working oil confined in a working oil chamber. This oil pressure generating device is equipped with a working oil reservoir to pressurize the working oil in the reservoir for reserving the working oil to be fed to the chamber. An orifice is disposed in a working oil passage for providing the communication between the reservoir and the chamber. The clearance, which is established in the portion of antifriction bearing by the extension or contraction of a shaft due to a temperature change, is absorbed by such displacement of the piston, as is effected by the flow of the working oil between the reservoir and the chamber via the orifice. This orifice acts as a high resistance to and a high rigidity against the abrupt fluctuation in the direction opposite to the pre-loading direction.
    • 活塞在气缸中移位以预加载减摩轴承。 活塞的这种位移是根据限制在工作油室中的工作油的量来实现的。 该油压发生装置配备有工作油储存器,用于对储存器中的工作油进行加压以保留供给到室的工作油。 孔口设置在工作油通道中,用于提供储存器和室之间的连通。 通过由于温度变化引起的轴的延伸或收缩在减摩轴承的部分中建立的间隙被活塞的这种位移所吸收,如通过储存器和储存器之间的工作油的流动所影响的 通过孔口。 该孔作为与预加载方向相反的方向上的突然波动的高抵抗力和高刚度。
    • 10. 发明授权
    • Traction drive tool adapter
    • 牵引驱动工具适配器
    • US5295772A
    • 1994-03-22
    • US86769
    • 1993-07-06
    • Kouichi UedaShinji Yasuhara
    • Kouichi UedaShinji Yasuhara
    • B23Q5/04B23Q17/10F16H35/10G05B19/406B23C9/00B23B39/00F16H13/06
    • B23Q5/048B23Q17/10F16H35/10G05B19/406G05B2219/42289Y10T408/66Y10T409/309408
    • A traction drive tool adapter is adapted to detect an overload on a planetary roller speed increasing mechanism which occurs due to an excessive depth of out, and prevent the breakage of the planetary roller speed increasing mechanism and the imperfect processing of a workpiece. It consists of a rotary portion, and a tool mount portion rotatable with respect to the fixed portion and rotary portion and adapted to attach a tool to a front end section thereof, all of these three portions are put together via a planetary roller speed increasing mechanism. The traction drive tool adapter is further provided with a first revolution speed detecting means provided on the fixed portion and adapted to detect the number of revolutions per unit time of the rotary portion, a second revolution speed detecting means provided on the fixed portion and adapted to detect the number of revolutions per unit time of the tool mount portion, and an abnormal rotation judgement means which is connected to the first and second detecting means so that output signals from these detecting means are input thereinto, and which is adapted to generate an abnormality signal when a speed increasing ratio, is lower than a predetermined level.
    • 牵引驱动工具适配器适于检测由于过度的深度引起的行星辊增速机构的过载,并且防止行星辊速度增加机构的破坏和工件的不完美的处理。 它包括旋转部分和相对于固定部分和旋转部分可旋转的工具安装部分,并且适于将工具附接到其前端部分,所有这三个部分经由行星辊增速机构 。 牵引驱动工具适配器还设置有第一转速检测装置,设置在固定部分上并且适于检测旋转部分的每单位时间的转数;第二转速检测装置,设置在固定部分上并适于 检测工具安装部分的每单位时间的转数,以及异常旋转判断装置,其连接到第一和第二检测装置,使得输入来自这些检测装置的输出信号,并且适于产生异常 当速度增加比率低于预定水平时信号。