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    • 45. 发明授权
    • Supervisory device for wrong operation of varying quantity measuring
apparatus
    • 变量测量装置误操作的监控装置
    • US4588989A
    • 1986-05-13
    • US580459
    • 1984-02-15
    • Mamoru YasudaTakeshi Nishimura
    • Mamoru YasudaTakeshi Nishimura
    • G01B7/00G01B21/00G01D3/08G01D18/00G08B21/00
    • G01D18/00G01D3/08Y10T307/625
    • A supervisory device of a varying quantity measuring apparatus including a main scale and an index scale which are moved relative to each other in accordance with a physical varying quantity, a main power supply circuit which outputs a predetermined DC stabilized voltage by operating a power switch, and an encoder which is driven by the voltage output from the main power supply circuit and converts the relative movement of said both scales into electric signals to be displayed. This device further includes an under voltage detecting circuit for supplying an under voltage detecting signal when the output voltage from said main power supply circuit falls below a standard voltage which is preestablished as the necessary voltage for normal operation of the encoder, and an error message output circuit for outputting an error message when the power switch of the main power supply circuit is operated as well as when an under voltage detecting signal is inputted, and is characterized in that errors in operation of the encoder caused by insufficient output voltage from the main power supply circuit can be displayed as an alarm by means of the error message from the error message output circuit.
    • 一种变化量测量装置的监控装置,包括根据物理变化量相对于彼此移动的主刻度和指标,通过操作电源开关输出预定的DC稳定电压的主电源电路, 以及编码器,其由从主电源电路输出的电压驱动,并将所述两个标尺的相对移动转换成要显示的电信号。 该装置还包括用于当来自所述主电源电路的输出电压低于作为编码器的正常操作的必要电压预先建立的标准电压时提供欠电压检测信号的欠压检测电路,以及错误消息输出 用于当主电源电路的电源开关被操作以及当输入欠电压检测信号时输出错误消息的电路,其特征在于,由于主电源的输出电压不足引起的编码器操作中的错误 供电电路可以通过来自错误信息输出电路的错误信息显示为报警。
    • 50. 发明授权
    • Zoom lens and image pickup apparatus having the same
    • 具有相同的变焦镜头和摄像装置
    • US07428107B2
    • 2008-09-23
    • US11959223
    • 2007-12-18
    • Takeshi Nishimura
    • Takeshi Nishimura
    • G02B15/14
    • G02B15/173
    • A zoom lens includes first to fifth lens units arranged in sequence from an object side to an image side, and having positive, negative, positive, negative, and positive refractive powers in that order. The zoom lens performs zooming by moving the first to fifth lens units. The fourth lens unit includes a negative lens, which is moved in such a manner as to have a component in a direction orthogonal to an optical axis so as to shift an image formed with an entire system in the direction orthogonal to the optical axis. The zoom lens satisfies the condition, 0.50
    • 变焦透镜包括从物体侧到像侧依次布置的第一至第五透镜单元,并且具有正,负,正,负和正的折射光焦度。 变焦透镜通过移动第一至第五透镜单元进行变焦。 第四透镜单元包括负透镜,其以与光轴正交的方向具有分量的方式移动,以便使与整个系统形成的图像沿与光轴正交的方向移位。 变焦镜头满足条件<?in-line-formula description =“In-line Formulas”end =“lead”?> 0.50 <| ft / f4 | <1.50,<?in-line-formula description =“In 线公式“end =”tail“?>其中ft是整个系统的焦距,f4是第二透镜单元的焦距,两者都在望远端。