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    • 3. 发明申请
    • ABNORMALITY DETECTION METHOD FOR GAS LASER OSCILLATOR AND GAS LASER OSCILLATOR FOR IMPLEMENTING THE METHOD
    • 用于实施方法的气体激光振荡器和气体激光振荡器的异常检测方法
    • US20090116521A1
    • 2009-05-07
    • US12250832
    • 2008-10-14
    • Minoru AndoHajime Ikemoto
    • Minoru AndoHajime Ikemoto
    • H01S3/22H01S3/00
    • H01S3/097H01S3/09705
    • A gas laser oscillator (1), which generates a laser beam by exciting laser gas in discharge tubes (7) with a laser power supply (4) and detecting an abnormality thereof, includes a storage unit (12) for storing the relationship between the output command and the DC current of the laser power supply (4) during the normal operation of the oscillator (1), an output command generating unit (13) for generating an output command corresponding to the peak current value in the relationship between the output command and the DC current, a current detection unit (19) for detecting the current during the operation of the laser power supply (4) based on the output command in the standby operation mode of the gas laser oscillator (1), and an abnormality judging unit (15) for judging that the discharge load of the gas laser oscillator (1) has an abnormality based on the detection current detected by the current detection unit (19) and the peak value of the current in the relationship between the output command and the DC current. In this way, the abnormality of the discharge load of the discharge tubes (7) can be easily and safely detected. The gas laser oscillator further desirably includes a stop unit for stopping the gas laser oscillator when the discharge load is judged as abnormal.
    • 一种通过用激光电源(4)激励放电管(7)中的激光气体并检测其异常来产生激光束的气体激光振荡器(1)包括:存储单元(12),用于存储 输出指令和振荡器(1)的正常工作期间的激光电源(4)的直流电流;输出指令生成部(13),用于生成与输出的关系中的峰值电流值对应的输出指令 指令和直流电流;电流检测单元(19),用于根据气体激光振荡器(1)的待机运行模式下的输出指令,检测激光电源(4)的运转时的电流,以及异常 判断单元(15),用于基于由电流检测单元(19)检测到的检测电流,判断气体激光振荡器(1)的放电负荷具有异常,以及电流的峰值 放置命令和直流电流。 以这种方式,可以容易且安全地检测放电管(7)的放电负载的异常。 气体激光振荡器还希望包括一个停止单元,用于当放电负载被判定为异常时停止气体激光振荡器。
    • 6. 发明授权
    • Imaging lens
    • 成像镜头
    • US08264785B2
    • 2012-09-11
    • US12936730
    • 2008-12-12
    • Minoru AndoTakahiro Mitsuhashi
    • Minoru AndoTakahiro Mitsuhashi
    • G02B9/34G02B13/18
    • G02B13/04G02B9/34G02B9/60G02B13/0035G02B13/004
    • An imaging lens includes, sequentially from an object side, a first lens (L11) configured by a negative meniscus lens disposed with the convex surface on the object side; a second lens (L12) configured by a positive biconvex lens; a negative third lens (L13); and a fourth lens group (L14) configured by a positive meniscus lens disposed with the convex surface on the image plane IMG side. By satisfying given conditions, the imaging lens is able to control ghosting occurring between the last lens surface and the imaging element and ghosting caused by light reflected by the lens surface nearest the object, without sacrifice to the compact-size of the optical system or high optical performance.
    • 成像透镜从物体侧顺序地包括由物镜侧的凸面设置的负弯月形透镜构成的第一透镜(L11) 由正双凸透镜构成的第二透镜(L12) 负第三透镜(L13); 以及由图像面IMG侧的凸面配置的正弯月形透镜构成的第四透镜组(L14)。 通过满足给定条件,成像透镜能够控制在最后的透镜表面和成像元件之间发生的重影以及由最靠近物体的透镜表面反射的光引起的重影,而不牺牲光学系统的紧凑尺寸或高 光学性能。
    • 8. 发明授权
    • Method of making terminal nut for ignition plug by plastic working
    • 通过塑料加工制造火花塞端子螺母的方法
    • US4882925A
    • 1989-11-28
    • US282263
    • 1988-12-08
    • Tsugumi IchieMinoru Ando
    • Tsugumi IchieMinoru Ando
    • B21D53/24B21K1/70B21K21/08H01T21/02
    • B21K21/08H01T21/02
    • A method of making terminal nut for ignition plug by plastic working, comprising; first step in which a metallic blank is struck at its end surfaces to flatten the end surfaces in prependicular to axial direction of the blank; second step in which a central conical dent is formed at one end surface of the blank, and forming first bottom-ended hole at other end surface of the blank; third step in which second bottom-ended hole is formed concentrically and continuously from the first bottom-ended hole at the blank to be diametrically lesser than the first bottom-ended hole; fourth step in which the blank is axially contracted to diametrically bulge outward by upsetting; fifth step in which a perforation hole is axially formed at the blank by punching in concentrical relationship with the first bottom-ended hole; sixth step in which the blank is shaved at its bulged portion.
    • 一种通过塑料加工制造用于火花塞的端子螺母的方法,包括: 第一步骤是在其端面处撞击金属坯料以使其在垂直于坯料的轴向方向上平坦化; 第二步是在坯料的一个端面处形成中心圆锥凹陷,并在坯料的另一端表面形成第一底端孔; 第三步骤,其中第二底端孔从坯料的第一底端孔同心且连续地形成为直径小于第一底端孔; 第四步,坯料通过镦粗方向轴向收缩以向外径向膨胀; 第五步骤,通过与第一底端孔同心冲击而在坯料上轴向形成穿孔; 第六步,其毛坯在其凸出部分被剃光。
    • 9. 发明授权
    • Infrared zooming lens
    • 红外变焦镜头
    • US08643944B2
    • 2014-02-04
    • US13039626
    • 2011-03-03
    • Minoru Ando
    • Minoru Ando
    • G02B13/14G02B15/14G02B9/34G02B13/00
    • G02B13/14G02B9/34G02B13/008G02B13/18G02B15/14
    • The present invention is directed to an infrared zoom lens that consists merely of optical components of germanium so as to implement an optical system that is capable of reducing variation in brightness during varying a magnification rate and is quite bright and that facilitates compensating for aberration, especially spherical aberration that is generally hard to do, thereby producing a clear and vivid image. The infrared zoom lens comprises first to fourth groups of lens pieces arranged in series from the foremost position closest to the object; each of the lens groups having all the lens pieces made of germanium, and at least one of the lens groups consisting simply of a single lens piece.
    • 本发明涉及仅由锗的光学部件组成的红外变焦透镜,以实现能够在改变放大率的同时降低亮度变化的光学系统,并且相当明亮,并且有助于补偿像差,特别是 通常难以做到的球面像差,从而产生清晰和生动的图像。 红外变焦透镜包括从最靠近物体的最前面的位置串联布置的第一至第四组透镜片; 每个透镜组具有由锗制成的所有透镜片,并且透镜组中的至少一个仅由单个透镜片构成。
    • 10. 发明申请
    • Laser oscillator
    • 激光振荡器
    • US20060280213A1
    • 2006-12-14
    • US11443276
    • 2006-05-31
    • Akira EgawaMinoru AndoEiji KobayashiTakeshi Watanabe
    • Akira EgawaMinoru AndoEiji KobayashiTakeshi Watanabe
    • H01S3/00H01S3/22H01S3/223
    • H01S3/073H01S3/036H01S3/09702H01S3/0971H01S3/10038H01S3/104
    • Provided is a laser oscillator (2) including: a first electrode pair (7a); a second electrode pair (7b); a discharge power supply (4) that induces pulse discharge in the first and second electrode pairs (7a, 7b); and at least one of a discharge phase control unit (53) which extends control so that a first discharge phase (X1) to be attained in the first electrode pair (7a) and a second discharge phase (X2) to be attained in the second electrode pair (7b) will be different from each other during the pulse discharge induced by the discharge power supply (4), a duty cycle control unit (53) which extends control so that a first duty cycle (Y1) to be attained in the first electrode pair (7a) and a second duty cycle (Y2) to be attained in the second electrode pair (7b) will be different from each other during the pulse discharge, a pulse frequency control unit (53) which extends control so that a first pulse frequency (Z1) to be attained in the first electrode pair (7a) and a second pulse frequency (Z2) to be attained in the second electrode pair (7b) will be different from each other during the pulse discharge. Consequently, while discharges in the discharge electrodes are stabilized, laser output can be quickly controlled.
    • 提供了一种激光振荡器(2),包括:第一电极对(7a); 第二电极对(7b); 在第一和第二电极对(7a,7b)中引起脉冲放电的放电电源(4); 以及放电相位控制单元(53)中的至少一个,其延伸控制使得要在第一电极对(7a)中达到的第一放电阶段(X 1)和第二放电阶段(X 2)达到 在由放电电源(4)引起的脉冲放电期间,第二电极对(7b)中的第二电极对(7b)将彼此不同,占空比控制单元(53)的延伸控制使得第一占空比(Y 1) 在第一电极对(7a)中达到的第二电极对(7b)中的第二占空比(Y 2)将在脉冲放电期间彼此不同,脉冲频率控制单元 53),其延伸控制使得在第一电极对(7a)中要获得的第一脉冲频率(Z 1)和在第二电极对(7b)中达到的第二脉冲频率(Z 2)将是 在脉冲放电期间彼此不同。 因此,在放电电极放电稳定的同时,能够快速地控制激光输出。