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1. 发明授权

US08885684B2 Gas laser device 有权
标题翻译：气体激光装置
公开(公告)号：US08885684B2
公开(公告)日：2014-11-11
申请号：US14123903
申请日：2011-06-20
申请人： Yoichi Tanino , Junichi Nishimae , Tatsuya Yamamoto , Shuichi Fujikawa
发明人： Yoichi Tanino , Junichi Nishimae , Tatsuya Yamamoto , Shuichi Fujikawa
IPC分类号： H01S3/22 , H01S3/041 , H01S3/036 , H01S3/03 , H01S3/223 , H01S3/0971 , H01S3/07 , H01S3/081
CPC分类号： H01S3/041 , H01S3/03 , H01S3/036 , H01S3/076 , H01S3/081 , H01S3/0816 , H01S3/0971 , H01S3/2232
摘要： A CO2 gas laser device according to the present invention amplifies CO2 laser light that oscillates repeatedly in short pulses having a pulse width of 100 ns or less, and cools a CO2 laser gas which is excited by continuous discharge by circulating the CO2 laser gas by means of forced convection. Therein, an angle θ defined by the optical axis of the amplified CO2 laser beam and the flow direction of the CO2 laser gas caused by the forced convection is determined by both a discharge cross sectional area and a discharge length of a volume in which the CO2 laser gas is excited by discharge, whereby increasing the gain of pulsed laser to achieve pulsed laser light having an extremely high average output power.
摘要翻译：根据本发明的二氧化碳气体激光装置放大以脉冲宽度为100ns以下的短脉冲重复振荡的CO 2激光，并通过循环CO 2激光气体的方式冷却通过连续放电而激发的CO 2激光气体的强制对流。其中，角度和角度; 由放大的CO 2激光束的光轴限定，并且由强制对流引起的CO 2激光气体的流动方向由放电截面积和其中激发CO 2激光气体的体积的放电长度从而增加脉冲激光器的增益以实现具有极高平均输出功率的脉冲激光。

2. 发明授权

US08958453B2 Gas discharge laser oscillator and gas discharge laser amplifier providing linearly polarized light 有权
标题翻译：气体放电激光振荡器和气体放电激光放大器提供线性偏振光
公开(公告)号：US08958453B2
公开(公告)日：2015-02-17
申请号：US13496892
申请日：2010-09-17
申请人： Shuichi Fujikawa , Junichi Nishimae , Tatsuya Yamamoto , Yoichi Tanino
发明人： Shuichi Fujikawa , Junichi Nishimae , Tatsuya Yamamoto , Yoichi Tanino
IPC分类号： H01S3/22 , H01S3/08 , H01S3/038 , H01S3/081
CPC分类号： H01S3/0385 , H01S3/08036 , H01S3/08054 , H01S3/081
摘要： A laser oscillator includes: a optical resonator having an orthogonal mirror and a partial reflection mirror; a laser gas acting as a laser medium; and a 90-degree folding mirror acting as a polarization selecting element. The orthogonal mirror has two reflecting surfaces orthogonal to each other. The 90-degree folding mirror is arranged such that the polarization direction of the laser oscillated light is parallel to the reference axis set in a plane perpendicular to an optical axis of the optical resonator. The orthogonal mirror is arranged such that the polarization direction of the laser oscillated light is parallel to the valley line of the orthogonal mirror. This configuration can compensate anisotropy of optical characteristics in a laser medium, and stably generate linearly polarized laser light having excellent isotropy in a simple manner.
摘要翻译：激光振荡器包括：具有正交反射镜和部分反射镜的光学谐振器; 作为激光介质的激光气体; 以及用作偏振选择元件的90度折叠镜。正交反射镜具有彼此正交的两个反射表面。 90度折射镜被配置为使得激光振荡光的偏振方向平行于垂直于光学谐振器的光轴的平面中的参考轴。正交反射镜被布置成使得激光振荡的光的偏振方向平行于正交反射镜的谷线。这种构造可以补偿激光介质中的光学特性的各向异性，并且以简单的方式稳定地产生具有优异各向同性的线偏振激光。

3. 发明申请

US20140112362A1 GAS LASER DEVICE 有权
标题翻译：气体激光器件
公开(公告)号：US20140112362A1
公开(公告)日：2014-04-24
申请号：US14123903
申请日：2011-06-20
申请人： Yoichi Tanino , Junichi Nishimae , Tatsuya Yamamoto , Shuichi Fujikawa
发明人： Yoichi Tanino , Junichi Nishimae , Tatsuya Yamamoto , Shuichi Fujikawa
IPC分类号： H01S3/041
CPC分类号： H01S3/041 , H01S3/03 , H01S3/036 , H01S3/076 , H01S3/081 , H01S3/0816 , H01S3/0971 , H01S3/2232
摘要： A CO2 gas laser device according to the present invention amplifies CO2 laser light that oscillates repeatedly in short pulses having a pulse width of 100 ns or less, and cools a CO2 laser gas which is excited by continuous discharge by circulating the CO2 laser gas by means of forced convection. Therein, an angle θ defined by the optical axis of the amplified CO2 laser beam and the flow direction of the CO2 laser gas caused by the forced convection is determined by both a discharge cross sectional area and a discharge length of a volume in which the CO2 laser gas is excited by discharge, whereby increasing the gain of pulsed laser to achieve pulsed laser light having an extremely high average output power.
摘要翻译：根据本发明的二氧化碳气体激光装置放大以脉冲宽度为100ns以下的短脉冲重复振荡的CO 2激光，并通过循环CO 2激光气体的方式冷却通过连续放电而激发的CO 2激光气体的强制对流。其中，角度和角度; 由放大的CO 2激光束的光轴限定，并且由强制对流引起的CO 2激光气体的流动方向由放电截面积和其中激发CO 2激光气体的体积的放电长度从而增加脉冲激光器的增益以实现具有极高平均输出功率的脉冲激光。

4. 发明申请

US20120182604A1 LASER OSCILLATOR AND LASER AMPLIFIER 有权
标题翻译：激光振荡器和激光放大器
公开(公告)号：US20120182604A1
公开(公告)日：2012-07-19
申请号：US13496892
申请日：2010-09-17
申请人： Shuichi Fujikawa , Junichi Nishimae , Tatsuya Yamamoto , Yoichi Tanino
发明人： Shuichi Fujikawa , Junichi Nishimae , Tatsuya Yamamoto , Yoichi Tanino
IPC分类号： H01S3/00 , H01S3/08
CPC分类号： H01S3/0385 , H01S3/08036 , H01S3/08054 , H01S3/081
摘要： A laser oscillator includes: a optical resonator having an orthogonal mirror and a partial reflection mirror; a laser gas acting as a laser medium; and a 90-degree folding mirror acting as a polarization selecting element. The orthogonal mirror has two reflecting surfaces orthogonal to each other. The 90-degree folding mirror is arranged such that the polarization direction of the laser oscillated light is parallel to the reference axis set in a plane perpendicular to an optical axis of the optical resonator. The orthogonal mirror is arranged such that the polarization direction of the laser oscillated light is parallel to the valley line of the orthogonal mirror. This configuration can compensate anisotropy of optical characteristics in a laser medium, and stably generate linearly polarized laser light having excellent isotropy in a simple manner.
摘要翻译：激光振荡器包括：具有正交反射镜和部分反射镜的光学谐振器; 作为激光介质的激光气体; 以及用作偏振选择元件的90度折叠镜。正交反射镜具有彼此正交的两个反射表面。 90度折射镜被配置为使得激光振荡光的偏振方向平行于垂直于光学谐振器的光轴的平面中的参考轴。正交反射镜被布置成使得激光振荡的光的偏振方向平行于正交反射镜的谷线。这种构造可以补偿激光介质中的光学特性的各向异性，并且以简单的方式稳定地产生具有优异各向同性的线偏振激光。

5. 发明授权

US08873599B2 Gas laser device 有权
标题翻译：气体激光装置
公开(公告)号：US08873599B2
公开(公告)日：2014-10-28
申请号：US13824432
申请日：2011-08-26
申请人： Tatsuya Yamamoto , Naoki Miyamoto , Junichi Nishimae , Shuichi Fujikawa
发明人： Tatsuya Yamamoto , Naoki Miyamoto , Junichi Nishimae , Shuichi Fujikawa
IPC分类号： H01S3/22 , H01S3/036 , H01S3/038 , H01S3/223
CPC分类号： H01S3/038 , H01S3/036 , H01S3/2232 , H01S2301/203
摘要： A tri-axially orthogonal gas laser device in which an optical axis of an optical resonator, a direction in which a laser gas is supplied into the optical resonator, and a direction of discharge for exciting the laser gas are mutually orthogonal to one another, the device including: an exciting unit including a blower supplying the laser gas in −X direction to the optical axis of the optical resonator, and a discharge electrode pair which is shifted on a gas upstream side with respect to the optical axis; and an exciting unit including a blower for supplying the laser gas in +X direction to the optical axis of the optical resonator, and a discharge electrode pair which is shifted on a gas upstream side with respect to the optical axis
摘要翻译：将光谐振器的光轴，向光谐振器供给激光气体的方向以及使激光气体激发的方向相互正交的三轴正交气体激光装置相互正交，该装置包括：激励单元，其包括向所述光学谐振器的光轴向-X方向供给激光气体的鼓风机;以及在相对于所述光轴的气体上游侧移动的放电电极对; 以及激励单元，其包括用于将激光气体沿+ X方向供给到光谐振器的光轴的鼓风机，以及在相对于光轴的气体上游侧移动的放电电极对

6. 发明申请

US20130341309A1 LASER MACHINING DEVICE 有权
标题翻译：激光加工设备
公开(公告)号：US20130341309A1
公开(公告)日：2013-12-26
申请号：US14003678
申请日：2012-03-13
申请人： Tatsuya Yamamoto , Junichi Nishimae , Shuichi Fujikawa
发明人： Tatsuya Yamamoto , Junichi Nishimae , Shuichi Fujikawa
IPC分类号： B23K26/00
CPC分类号： B23K26/00 , B23K26/046 , B23K26/0643 , B23K26/0665 , B23K26/707
摘要： A laser machining apparatus, including: a laser light source; a transparent member that is set on an optical path of a laser beam and transmits the laser beam; a contact type temperature difference sensor, set on a surface of the transparent member outside an irradiation range of the laser beam, for detecting a temperature difference between a surface of the transparent member, which is spaced apart from a center of the transparent member by a first distance, and another surface of the transparent member, which is spaced apart from the center of the transparent member by a second distance larger than the first distance; and a controller correcting a focal position based on the temperature difference detected by the contact type temperature difference sensor to stabilize a beam diameter of the laser beam condensed onto a machining object.
摘要翻译：一种激光加工装置，包括：激光光源; 透明构件，其被设置在激光束的光路上并透射激光束; 接触式温度差传感器，设置在所述透明构件的表面上，位于所述激光束的照射范围之外，用于检测所述透明构件的与所述透明构件的中心间隔开的表面之间的温度差第一距离和透明构件的另一个表面，其与透明构件的中心距离大于第一距离的第二距离; 以及控制器，基于由接触型温度差传感器检测的温度差校正焦点位置，以稳定在加工对象物上聚光的激光束的光束直径。

7. 发明授权

US09289850B2 Laser machining device 有权
标题翻译：激光加工装置
公开(公告)号：US09289850B2
公开(公告)日：2016-03-22
申请号：US14003678
申请日：2012-03-13
申请人： Tatsuya Yamamoto , Junichi Nishimae , Shuichi Fujikawa
发明人： Tatsuya Yamamoto , Junichi Nishimae , Shuichi Fujikawa
IPC分类号： B23K26/046 , B23K26/064 , B23K26/70 , B23K26/00 , B23K26/04 , B23K26/06
CPC分类号： B23K26/00 , B23K26/046 , B23K26/0643 , B23K26/0665 , B23K26/707
摘要： A laser machining apparatus, including: a laser light source; a transparent member that is set on an optical path of a laser beam and transmits the laser beam; a contact type temperature difference sensor, set on a surface of the transparent member outside an irradiation range of the laser beam, for detecting a temperature difference between a surface of the transparent member, which is spaced apart from a center of the transparent member by a first distance, and another surface of the transparent member, which is spaced apart from the center of the transparent member by a second distance larger than the first distance; and a controller correcting a focal position based on the temperature difference detected by the contact type temperature difference sensor to stabilize a beam diameter of the laser beam condensed onto a machining object.
摘要翻译：一种激光加工装置，包括：激光光源; 透明构件，其被设置在激光束的光路上并透射激光束; 接触式温度差传感器，设置在所述透明构件的表面上，位于所述激光束的照射范围之外，用于检测所述透明构件的与所述透明构件的中心间隔开的表面之间的温度差第一距离和透明构件的另一个表面，其与透明构件的中心距离大于第一距离的第二距离; 以及控制器，基于由接触型温度差传感器检测的温度差校正焦点位置，以稳定在加工对象物上聚光的激光束的光束直径。

8. 发明申请

US20130235894A1 GAS LASER DEVICE 有权
标题翻译：气体激光器件
公开(公告)号：US20130235894A1
公开(公告)日：2013-09-12
申请号：US13824432
申请日：2011-08-26
申请人： Tatsuya Yamamoto , Naoki Miyamoto , Junichi Nishimae , Shuichi Fujikawa
发明人： Tatsuya Yamamoto , Naoki Miyamoto , Junichi Nishimae , Shuichi Fujikawa
IPC分类号： H01S3/038
CPC分类号： H01S3/038 , H01S3/036 , H01S3/2232 , H01S2301/203
摘要： A tri-axially orthogonal gas laser device in which an optical axis of an optical resonator, a direction in which a laser gas is supplied into the optical resonator, and a direction of discharge for exciting the laser gas are mutually orthogonal to one another, the device including: an exciting unit including a blower supplying the laser gas in −X direction to the optical axis of the optical resonator, and a discharge electrode pair which is shifted on a gas upstream side with respect to the optical axis; and an exciting unit including a blower for supplying the laser gas in +X direction to the optical axis of the optical resonator, and a discharge electrode pair which is shifted on a gas upstream side with respect to the optical axis
摘要翻译：将光谐振器的光轴，向光谐振器供给激光气体的方向以及使激光气体激发的方向相互正交的三轴正交气体激光装置相互正交，该装置包括：激励单元，其包括向所述光学谐振器的光轴向-X方向供给激光气体的鼓风机;以及在相对于所述光轴的气体上游侧移动的放电电极对; 以及激励单元，其包括用于将激光气体沿+ X方向供给到光谐振器的光轴的鼓风机，以及在相对于光轴的气体上游侧移动的放电电极对

9. 发明授权

US08848069B2 Apparatus and method for deciding scanning pattern of an imaging device 有权
标题翻译：用于确定成像装置的扫描图案的装置和方法
公开(公告)号：US08848069B2
公开(公告)日：2014-09-30
申请号：US13553907
申请日：2012-07-20
申请人： Nobuhiro Ogawa , Tatsuya Yamamoto
发明人： Nobuhiro Ogawa , Tatsuya Yamamoto
IPC分类号： H04N5/228 , H04N5/232
CPC分类号： H04N5/23254 , H04N5/23267
摘要： There is provided an image processing apparatus including a distortion component calculation unit calculating a distortion component in a time series, based on an image signal indicating a moving image composed of a frame image, for each of a first region corresponding to the whole frame image, a second region corresponding to one region obtained by dividing the frame image, and a third region corresponding to the other region obtained by dividing the frame image, and a decision unit deciding a scanning pattern of an imaging device having captured the moving image, which the image signal indicates, based on a combination of a correlation of distortion between the second region and the first region and a correlation of distortion between the second region and the third region.
摘要翻译：提供了一种图像处理装置，包括：失真分量计算单元，对于与整个帧图像对应的第一区域中的每一个，基于表示由帧图像组成的运动图像的图像信号，计算时间序列中的失真分量; 对应于通过划分帧图像获得的一个区域的第二区域和对应于通过划分帧图像而获得的另一个区域的第三区域，以及决定单元，其确定拍摄了运动图像的成像装置的扫描图案，图像信号基于第二区域和第一区域之间的失真的相关性以及第二区域和第三区域之间的失真的相关性的组合来指示。

10. 发明授权

US08095353B2 Power index computing apparatus, method of computing power index, and computer product 有权
标题翻译：电力指标计算装置，电力指标计算方法，计算机产品
公开(公告)号：US08095353B2
公开(公告)日：2012-01-10
申请号：US12325206
申请日：2008-11-30
申请人： Tatsuya Yamamoto , Yutaka Tamiya
发明人： Tatsuya Yamamoto , Yutaka Tamiya
IPC分类号： G06F17/50
CPC分类号： G06F17/5036 , G06F2217/78
摘要： A power index computing apparatus that computes a power index for a circuit having one or more modules includes an obtaining unit that obtains estimated power consumption for a module in the circuit and a first computing unit that computes entropy based on a transition probability of an output signal of the module during a simulation period. The entropy is indicative of an expected value of a data volume output from the module, and the output signal is output to a destination that is external to the module. The power index computing apparatus further includes a second computing unit that computes a power index based on the estimated power consumption and the entropy, where the power index concerns power consumption for output of the output signal with respect to the estimated power consumption. An output unit of the power index computing apparatus outputs a result of the second computing unit.
摘要翻译：计算具有一个或多个模块的电路的功率指数的功率指数计算装置包括：获得单元，其获得所述电路中的模块的估计功耗;以及第一计算单元，其基于输出信号的转移概率来计算熵在模拟期间。熵表示从模块输出的数据量的期望值，并且输出信号被输出到模块外部的目的地。功率指数计算装置还包括第二计算单元，其基于估计的功率消耗和熵计算功率指数，其中功率指数涉及输出信号的输出相对于所估计的功耗的功率消耗。功率指标计算装置的输出单元输出第二计算单元的结果。

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