会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明申请
    • DC POWER SUPPLY
    • 直流电源
    • US20120224396A1
    • 2012-09-06
    • US13367653
    • 2012-02-07
    • Yuichiro NOZAKITetsuo KojimaMasafumi Makino
    • Yuichiro NOZAKITetsuo KojimaMasafumi Makino
    • H02M3/335
    • H02M3/3378Y02B70/1433
    • In a DC power supply in which a DC power source and a transformer are connected via a power conversion circuit and a secondary winding of the transformer is connected to a load via a rectifier diode bridge and a filter circuit to supply power to the load, a resonance reactor is provided on an output side of the transformer, a resonant switch circuit including a parallel circuit of a diode and a semiconductor switch and a resonant capacitor is connected in parallel to the rectifier diode bridge and a snubber circuit including a snubber capacitor, a snubber diode and a diode for discharge is connected to a serial resonant circuit including the resonance reactor and the resonant capacitor in the resonant switch circuit to absorb a surge voltage.
    • 在其中直流电源和变压器通过功率转换电路连接的直流电源和变压器的次级绕组经由整流二极管桥和滤波电路连接到负载以向负载供电, 谐振电抗器设置在变压器的输出侧,包括二极管和半导体开关的并联电路和谐振电容器的谐振开关电路并联连接到整流二极管桥和包括缓冲电容器的缓冲电路, 缓冲二极管和用于放电的二极管连接到包括谐振电抗器和谐振开关电路中的谐振电容器的串联谐振电路以吸收浪涌电压。
    • 3. 发明授权
    • DC power supply including resonant circuit for reducing switching losses
    • 直流电源包括用于减少开关损耗的谐振电路
    • US08964414B2
    • 2015-02-24
    • US13480503
    • 2012-05-25
    • Tetsuo KojimaYuichiro NozakiMasafumi MakinoTakeshi ShinomiyaTetsu Sugiura
    • Tetsuo KojimaYuichiro NozakiMasafumi MakinoTakeshi ShinomiyaTetsu Sugiura
    • H02M1/34H02M3/335
    • H02M3/33576Y02B70/1433
    • A DC power supply including a resonant circuit on a secondary side of a transformer suppresses a surge voltage during power recovery of diodes constituting a rectifier circuit, correctly estimates a load current from a secondary current of the transformer, and adjusts supplied power when a load is light. The DC power supply includes a DC voltage source, a converter, a transformer, a rectifier circuit, a resonant circuit composed of a resonant switch and a resonant capacitor, a filter reactor, a filter capacitor, a snubber diode, a snubber capacitor, a load, first and second voltage sensors, a current sensor, and a controller for controlling gate pulses of semiconductor devices constituting a converter and the resonant switch and a signal for adjusting operation timings of A/D converters converting the signals of these sensors.
    • 包括变压器次级侧的谐振电路的直流电源在构成整流电路的二极管的功率恢复期间抑制浪涌电压,正确地估计来自变压器的次级电流的负载电流,并且当负载为负载时,调整供电电力 光。 直流电源包括直流电压源,转换器,变压器,整流电路,由谐振开关和谐振电容器组成的谐振电路,滤波电抗器,滤波电容器,缓冲二极管,缓冲电容器,缓冲电容器 负载,第一和第二电压传感器,电流传感器和用于控制构成转换器的半导体器件的门脉冲和谐振开关的控制器,以及用于调整转换这些传感器的信号的A / D转换器的操作定时的信号。
    • 7. 发明申请
    • Solid-state laser system
    • 固态激光系统
    • US20050232328A1
    • 2005-10-20
    • US11090174
    • 2005-03-28
    • Junichi NishimaeTetsuo Kojima
    • Junichi NishimaeTetsuo Kojima
    • H01S3/08G02B27/09H01S3/00H01S3/06H01S3/07H01S3/081H01S3/091H01S3/10H01S3/16H01S3/23
    • H01S3/0602H01S3/005H01S3/07H01S3/08H01S3/08072H01S3/0815H01S3/091H01S3/2316
    • A simple and high-reliability constitution provides a solid-state laser system that allows a high-output, long-pulse-width laser beam to be obtained. A solid-state laser system that includes a solid-state laser medium 1, a light source 2 for pumping the solid-state laser medium 1, two reflecting mirrors 3 and 4 for flanking the solid-state laser medium 1, thereby constituting a laser resonator, is constituted in such a manner that a virtual-mirror plane 5 is defined in the space between the solid-state laser medium 1 and the reflecting mirror 4; a lens 6 is provided between the virtual-mirror plane 5 and the reflecting mirror 4; and, by means of the forward and backward paths along the route from the virtual-mirror plane to the reflecting mirror by way of the lens, the virtual-mirror plane in the forward path and the virtual-mirror plane in the backward path are made in an optically conjugated relationship with each other.
    • 简单且高可靠性的结构提供了一种能够获得高输出,长脉冲宽度的激光束的固态激光系统。 一种固态激光系统,包括固体激光介质1,用于泵浦固态激光介质1的光源2,用于固定固体激光介质1侧面的两个反射镜3和4,从而构成激光 谐振器构成为在固体激光介质1和反射镜4之间的空间中限定虚拟镜面5; 在虚拟镜面5和反射镜4之间设置透镜6; 借助于通过镜头从虚拟镜面到反射镜的路径的前进和后退路径,使前向路径中的虚拟镜面和后向路径中的虚拟镜面成为 彼此具有光学共轭关系。
    • 8. 发明申请
    • Wavelength conversion apparatus
    • 波长转换装置
    • US20050068998A1
    • 2005-03-31
    • US10940817
    • 2004-09-15
    • Tomotaka KatsuraSusumu KonnoTetsuo KojimaJunichi Nishimae
    • Tomotaka KatsuraSusumu KonnoTetsuo KojimaJunichi Nishimae
    • G02F1/37G02F1/015G02F2/02H01L21/02H01S3/00H01S3/10H01S3/109H01S3/16
    • H01S3/109G02F2001/3503G02F2001/3505G02F2001/354H01S3/005H01S3/1611H01S3/1643
    • A wavelength conversion apparatus in which output direction of a wavelength-converted laser beam, having a wavelength converted by a nonlinear optical crystal and emitted through an output-window, can be brought close to the direction of optical axis of the laser beam passing through the nonlinear optical crystal. In addition, axial deviation of the wavelength-converted laser beam converted by the nonlinear optical crystal and emitted through an output-window, can be reduced when the position of the nonlinear optical crystal is moved. The output facet of the nonlinear optical crystal is inclined at Brewster's angle with respect to the wavelength-converted laser beam. An output-window of a case containing the nonlinear optical crystal has a prism form in which the distance between a laser beam input facet and a laser beam output facet of the output-window is reduced along a direction in which the wavelength-converted laser beam, emitted from the nonlinear optical crystal, inclines.
    • 一种波长转换装置,其中具有由非线性光学晶体转换并通过输出窗口发射的波长的波长转换激光束的输出方向可以靠近通过该激光束的激光束的光轴方向 非线性光学晶体。 此外,当非线性光学晶体的位置移动时,可以减少由非线性光学晶体转换并通过输出窗口发射的波长转换的激光束的轴向偏移。 非线性光学晶体的输出面相对于波长转换的激光束以布鲁斯特角倾斜。 包含非线性光学晶体的壳体的输出窗口具有棱镜形式,其中激光束输入面与输出窗口的激光束输出面之间的距离沿着波长转换激光束 ,从非线性光学晶体发射,倾斜。
    • 9. 发明授权
    • Diode laser excitation solid-state laser amplifier and diode laser
excitation solid-state laser
    • 二极管激光激光固态激光放大器和二极管激光激光固态激光器
    • US5883737A
    • 1999-03-16
    • US823582
    • 1997-03-25
    • Shuichi FujikawaTetsuo Kojima
    • Shuichi FujikawaTetsuo Kojima
    • H01S3/0933H01S3/0941H01S5/40H01S3/00H01S3/093
    • H01S3/0941H01S3/025H01S3/0407H01S3/061H01S3/094057H01S3/09408
    • A diode laser excitation sold-state laser amplifier capable of withstanding a mechanical disturbance, is easily fabricated and adjusted, can stably generate a high-efficiency high-quality laser beam and easily realize a large output. A diode laser excitation solid-state laser using this amplifier, including: a solid-state laser rod extending along the optical axis of a laser beam and including an active medium therein; two side plates for supporting both ends of the solid-state laser rod respectively; a flow tube provided to enclose the solid-state laser rod and containing a cooling medium; a plurality of excitation modules each having a flat substrate, with a hole formed at the center thereof through which the solid-state laser rod is passed, and at least one excitation light source, for providing excitation light from the lateral of the solid-state laser rod; and connecting and fixing means and for connecting a plurality of the excitation modules to each other and fixing them to the side plates.
    • 能够承受机械扰动的二极管激光激光售卖激光放大器易于制造和调整,可以稳定地产生高效率的高品质激光束,并且容易实现大的输出。 一种使用该放大器的二极管激光激光固态激光器,包括:固体激光棒,其沿着激光束的光轴延伸并且包括其中的活性介质; 两个侧板分别用于支撑固态激光棒的两端; 设置为包围固态激光棒并容纳冷却介质的流管; 多个激励模块,每个激励模块均具有平坦的基板,在其中心处形成有固体激光棒通过的孔,以及至少一个激发光源,用于从固态的侧面提供激发光 激光棒; 以及连接和固定装置,用于将多个激励模块彼此连接并将它们固定在侧板上。