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    • 1. 发明授权
    • Focus control device having improved sensitivity characteristics
    • 具有改善的灵敏度特性的聚焦控制装置
    • US5633680A
    • 1997-05-27
    • US376686
    • 1995-01-23
    • Keiji KanekoShinya YajimaHiroyuki KawamuraHiroshi Kato
    • Keiji KanekoShinya YajimaHiroyuki KawamuraHiroshi Kato
    • G02B7/08H04N5/232H04N5/225
    • H04N5/23212G02B7/08
    • A focus control device of the type including a first sensor circuit arranged to detect the degree of manipulation of a focus operating circuit to produce a lens displacement command signal, a second sensor circuit arranged to detect the current position of a focusing lens to produce a signal indicative of a current lens position, and a comparator arranged to compare the output signals of the first and second sensor circuit to produce a servo control signal according to a difference between the two sensor signals thereby to control the operation of the focusing lens, characterized in that the focus control device comprises an output signal characteristics converting circuit adapted to convert the characteristics of the servo control signal into compliance with a characteristics curve varying with high- and low-pitch inclinations toward the nearest subject distance and infinite ends of the focusing range, respectively.
    • 一种聚焦控制装置,包括:第一传感器电路,被布置成检测聚焦操作电路的操作程度以产生透镜位移指令信号;第二传感器电路,被布置成检测聚焦透镜的当前位置以产生信号 指示当前透镜位置的比较器,以及比较器,被配置为比较第一和第二传感器电路的输出信号,以根据两个传感器信号之间的差异产生伺服控制信号,从而控制聚焦透镜的操作,其特征在于 焦点控制装置包括输出信号特性转换电路,其适于将伺服控制信号的特性转换为与高和低俯仰倾斜朝着最近的被摄体距离和聚焦范围的无限结束变化的特性曲线, 分别。
    • 2. 发明授权
    • TV lens control apparatus
    • 电视镜头控制装置
    • US06760066B1
    • 2004-07-06
    • US09376333
    • 1999-08-18
    • Hiroyuki KawamuraHiroshi MizumuraKunio TsuzukiShinya Yajima
    • Hiroyuki KawamuraHiroshi MizumuraKunio TsuzukiShinya Yajima
    • H04N5262
    • H04N5/232G02B7/102
    • In a TV control apparatus, a focus controller and a zoom controller are used to adjust a flange back focal length of a master lens. If a select switch switches the function of a focus controller from a focus lens control function to a master lens control function, a control signal is transmitted as a master lens control signal to a CPU from the focus controller. The master lens is controlled in accordance with the control signals. The focus lens is at a standstill during this period. The focus controller is also used as a master lens controller. If the zoom is at a wide-angle side, the focus controller is switched to the master lens controller, and if the zoom is at a telephoto side, the master lens controller is switched to the focus controller. If a flange back focal length adjustment switch is turned on and the zoom controller sets the zoom at the wide-angle side, the focus controller functions as a controller for adjusting the position of the master lens group. On the other hand, if the zoom is set at the telephoto side, the function of the focus controller is switched to the focus control function for adjusting the position of the focus lens group. This makes it possible to blur an image by operating the controller at hand.
    • 在TV控制装置中,使用聚焦控制器和变焦控制器来调节主镜头的凸缘后焦距。 如果选择开关将聚焦控制器的功能从聚焦透镜控制功能切换到主镜头控制功能,则控制信号作为主镜头控制信号从聚焦控制器发送到CPU。 主镜头根据控制信号进行控制。 焦距透镜在此期间处于停滞状态。 对焦控制器也用作主镜头控制器。 如果变焦处于广角侧,则将对焦控制器切换到主镜头控制器,如果变焦位于远摄端,则将主镜头控制器切换到对焦控制器。 如果凸缘后焦距调节开关打开,变焦控制器将变焦设置在广角侧,则聚焦控制器用作调节主镜头组的位置的控制器。 另一方面,如果将变焦设置在远摄侧,则将聚焦控制器的功能切换到用于调整聚焦透镜组的位置的聚焦控制功能。 这使得可以通过操作手边的控制器来模糊图像。
    • 3. 发明授权
    • Image blur correcting apparatus for use in camera
    • 用于相机的图像模糊校正装置
    • US6148150A
    • 2000-11-14
    • US359031
    • 1999-07-23
    • Shinya YajimaHiroyuki Kawamura
    • Shinya YajimaHiroyuki Kawamura
    • G03B5/00G02B27/64H04N5/232G03B17/00H04N5/225
    • H04N5/23261G02B27/646H04N5/23248H04N5/23258H04N5/23287
    • An image blur correcting apparatus is controlled in accordance with panhead data signals received from a panhead apparatus to save energy while compensating the performance of the panhead apparatus with an image blur correcting function of the image blur correcting apparatus. The panhead apparatus outputs a variety of panhead data signals such as a panhead identification signal representing the type of the panhead apparatus, a signal representing the panning or tilting operation, a signal representing a panning or tilting speed, and a signal representing a panning or tilting position. The image blur correcting apparatus receives the panhead data signals through a signal transmission part, and automatically turns on or off the image blur correcting function and adjusts a sensitivity, in accordance with the performance of the panhead apparatus and the panning/tilting speed and/or positions.
    • 根据从平头头装置接收的平移头数据信号来控制图像模糊校正装置,以在利用图像模糊校正装置的图像模糊校正功能补偿平移头装置的性能的同时节省能量。 平移头装置输出各种平头头数据信号,例如表示平头头装置的类型的平移头识别信号,表示平移或倾斜操作的信号,表示平移或倾斜速度的信号,以及表示平移或倾斜的信号 位置。 图像模糊校正装置通过信号传输部分接收平移头数据信号,并且根据平移头装置的性能和平移/倾斜速度和/或视频数据自动打开或关闭图像模糊校正功能并调整灵敏度。 职位
    • 4. 发明授权
    • Die cushion controller
    • 模具缓冲控制器
    • US07845205B2
    • 2010-12-07
    • US11550330
    • 2006-10-17
    • Yasusuke IwashitaTadashi OkitaHiroyuki KawamuraSatoshi Ikai
    • Yasusuke IwashitaTadashi OkitaHiroyuki KawamuraSatoshi Ikai
    • B21J9/18B21J7/46
    • G05B19/19B21D24/02G05B2219/42087G05B2219/42123G05B2219/45143
    • A die cushion controller, for driving a die cushion, disposed in opposition to a slide of a press machine, by controlling a servo motor, including: a pressure command portion which prepares a pressure command value for exerting a predetermined pressure to a press material disposed between the slide and the die cushion; a pressure detecting portion which detects an actual pressure exerted on the press material; a speed correction value preparing portion which prepares a speed correction value by multiplying a differential value of the pressure command value prepared by the pressure command portion by a coefficient; and a first speed command portion which prepares a speed command value to be instructed to the servo motor based on the pressure command value prepared by the pressure command portion, the actual pressure detected by the pressure detecting portion, and the speed correction value prepared by the speed correction value preparing portion.
    • 一种模具缓冲控制器,用于通过控制伺服电动机来驱动与冲压机的滑动相对设置的模具缓冲垫,包括:压力指令部分,其为制备的压力材料制备用于施加预定压力的压力指令值 滑块和模座之间; 压力检测部,其检测施加在所述挤压材料上的实际压力; 速度校正值准备部,其通过将由所述压力指令部准备的所述压力指令值的差分值乘以系数来准备速度校正值; 以及第一速度指令部,其基于由压力指令部准备的压力指令值,由压力检测部检测出的实际压力和由该压力指令部分准备的速度修正值,准备要指示给伺服电动机的速度指令值 速度校正值准备部。
    • 10. 发明申请
    • METHOD FOR CHANGING FORCE CONTROL GAIN AND DIE CUSHION CONTROL APPARATUS
    • 改变力控制增益和DIE嵌套控制装置的方法
    • US20080066515A1
    • 2008-03-20
    • US11857620
    • 2007-09-19
    • Yasusuke IwashitaTadashi OkitaHiroyuki KawamuraSatoshi Ikai
    • Yasusuke IwashitaTadashi OkitaHiroyuki KawamuraSatoshi Ikai
    • B21D22/00
    • B21D24/02G05B19/237G05B2219/41251G05B2219/45143
    • A method for changing a force control gain expressed as a ratio of force error to velocity command value in a control circuit performing a force control of a servo motor driving a die cushion disposed opposite to a slide in a press machine. The method includes: obtaining a difference between a displacement of the slide and a displacement of the die cushion in a state in which the slide and the die cushion collide with and are exerting force on each other; detecting the force when the difference of the displacements is obtained; calculating a spring constant of a structural portion based on a proportionality between the difference of the displacements and the force, when regarding the structural portion including the slide and the die cushion as an elastic structure; and changing the force control gain based on the spring constant using a fixed proportionality that exists between the force control gain and a reciprocal of the spring constant.
    • 一种用于在执行对在压机中与滑块相对设置的模座的驱动伺服电动机的力控制的控制电路中,改变表示为力误差与速度指令值的比的力控制增益的方法。 该方法包括:在滑块和模座碰撞并且彼此施加力的状态下,获得滑块的位移和模具垫的位移之间的差异; 当获得位移的差异时检测力; 当关于包括滑动件和模具衬垫的结构部分作为弹性结构时,基于位移的差异和力之间的比例来计算结构部分的弹簧常数; 并且使用存在于力控制增益和弹簧常数的倒数之间的固定比例度,基于弹簧常数来改变力控制增益。