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    • 1. 发明授权
    • Distance measurement apparatus
    • 距离测量装置
    • US06133992A
    • 2000-10-17
    • US238143
    • 1999-01-28
    • Tomohiro TanakaHisashi Yoshida
    • Tomohiro TanakaHisashi Yoshida
    • G01S7/497G01S17/10G01C3/08G04F8/00
    • G01S17/105G01S7/497
    • A distance measurement apparatus for measuring distance to the target by measuring a time elapsed from the emission of pulsed light to the target until the receiving thereof. This apparatus comprising a light-emitting section, a light-receiving section, a delay circuit for delaying at least one of generation of the trigger signal with respect to a measurement start signal and the outputting of the measurement stop signal with respect to the reflected pulsed light and outputting thus delayed signal, a reference clock section, time measuring sections consisting of a start-side and stop-side fractional time signal measurement sections and a counter section, and a distance measurement section for determining, based thus measured items, the distance to the target according to the time from the emission of the pulsed light to the receiving thereof.
    • 一种距离测量装置,用于通过测量从发射脉冲光到目标到其接收所经过的时间来测量到目标的距离。 该装置包括发光部分,光接收部分,延迟电路,用于相对于测量开始信号延迟产生触发信号中的至少一个,并且相对于反射脉冲输出测量停止信号 光和输出这样延迟的信号,参考时钟部分,由起始侧和停止侧分数时间信号测量部分和计数器部分组成的时间测量部分,以及距离测量部分,用于基于这样测量的项目确定距离 根据从发射脉冲光到其接收的时间到目标。
    • 7. 发明授权
    • Semiconductor light emitting device
    • 半导体发光器件
    • US08698123B2
    • 2014-04-15
    • US13213373
    • 2011-08-19
    • Tomonari ShiodaHisashi YoshidaNaoharu SugiyamaShinya Nunoue
    • Tomonari ShiodaHisashi YoshidaNaoharu SugiyamaShinya Nunoue
    • H01L29/06H01L27/15
    • H01L33/06H01L33/04H01L33/32
    • According to one embodiment, a semiconductor light emitting device includes an n-type semiconductor layer, a p-type semiconductor layer, and a light emitting part. The n-type semiconductor layer includes a nitride semiconductor. The p-type semiconductor layer includes a nitride semiconductor. The light emitting part is provided between the n-type and the p-type semiconductor layers and includes an n-side barrier layer and a first light emitting layer. The first light emitting layer includes a first barrier layer, a first well layer, and a first AlGaN layer. The first barrier layer is provided between the n-side barrier layer and the p-type semiconductor layer. The first well layer contacts the n-side barrier layer between the n-side and the first barrier layer. The first AlGaN layer is provided between the first well layer and the first barrier layer. A peak wavelength λp of light emitted from the light emitting part is longer than 515 nanometers.
    • 根据一个实施例,半导体发光器件包括n型半导体层,p型半导体层和发光部分。 n型半导体层包括氮化物半导体。 p型半导体层包括氮化物半导体。 发光部分设置在n型和p型半导体层之间,并且包括n侧阻挡层和第一发光层。 第一发光层包括第一阻挡层,第一阱层和第一AlGaN层。 第一阻挡层设置在n侧势垒层和p型半导体层之间。 第一阱层与n侧和第一阻挡层之间的n侧势垒层接触。 第一AlGaN层设置在第一阱层和第一势垒层之间。 从发光部发出的光的峰值波长λp长于515nm。
    • 10. 发明申请
    • AUTOMOTIVE DISCHARGE LAMP
    • 汽车排气灯
    • US20100315003A1
    • 2010-12-16
    • US12867520
    • 2008-12-10
    • Ryo ItouMakoto DeguchiSyuhei AbeHisashi YoshidaMasahiro Doi
    • Ryo ItouMakoto DeguchiSyuhei AbeHisashi YoshidaMasahiro Doi
    • H01J61/12B60Q1/00
    • H01J61/34
    • Disclosed is an automotive discharge lamp, comprising an inner tube (1) including a light emitting unit (11) having a first space (15) therein and seal portions formed on the light emitting unit (11), a discharge medium containing a first gas enclosed in the first space (15), a metal foil (31) sealed in the seal portions (12), electrodes (32) with one end connected to the metal foil (31) and other end extended into the first space (15), and an outer tube (5) connected to the inner tube (1) to form a second space (51) between the outer tube (5) and the inner tube (1), wherein the second space (51) has a second gas enclosed therein and the second gas contains oxygen in a concentration of 1.0 volume % or less.
    • 公开了一种汽车放电灯,包括内管(1),包括其中具有第一空间(15)的发光单元(11)和形成在发光单元(11)上的密封部分的发光单元,包含第一气体 封闭在第一空间(15)中,密封在密封部分(12)中的金属箔(31),一端连接到金属箔(31)的电极(32)和延伸到第一空间(15)的另一端, 和连接到内管(1)的外管(5),以在外管(5)和内管(1)之间形成第二空间(51),其中第二空间(51)具有第二气体 并且第二气体含有浓度为1.0体积%以下的氧。