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    • 1. 发明授权
    • Zoom lens and imaging apparatus incorporating the same
    • 变焦镜头和包含其的成像装置
    • US08339714B2
    • 2012-12-25
    • US13248570
    • 2011-09-29
    • Akiyoshi TochigiKazuteru KawamuraYasuharu Yamada
    • Akiyoshi TochigiKazuteru KawamuraYasuharu Yamada
    • G02B15/14
    • G02B15/173
    • A zoom lens comprising, in order from an object side thereof, a first lens group of positive refracting power, a second lens group of negative refracting power, an aperture stop, a third lens group of positive refracting power, a fourth lens group of negative refracting power, and a fifth lens group of positive refracting power. Upon zooming from the wide-angle end to the telephoto end, at least the first lens group and the aperture stop remain fixed in position, the second and third lens groups move in the optical axis direction, and the separation between each of the lens groups and the aperture stop changes. Upon focusing from a focusing-on-infinity state to a close-range-focusing state, the fourth lens group moves in the optical axis direction, with satisfaction of the following: −0.36
    • 一种变焦透镜,其从物体侧起依次具有正折射率的第一透镜组,负折射光焦度的第二透镜组,孔径光阑,正折射率的第三透镜组,负折射率的第四透镜组 屈光力和第五透镜组的正折射力。 当从广角端到望远端变焦时,至少第一透镜组和孔径光阑保持固定就位,第二和第三透镜组沿光轴方向移动,并且每个透镜组之间的间隔 并且孔径光阑改变。 从聚焦无限状态向近距离聚焦状态聚焦时,第四透镜组沿光轴方向移动,满足以下条件:-0.36
    • 2. 发明申请
    • ZOOM LENS AND IMAGING APPARATUS INCORPORATING THE SAME
    • 变焦镜头和成像装置同时进行
    • US20120092777A1
    • 2012-04-19
    • US13248570
    • 2011-09-29
    • Akiyoshi TOCHIGIKazuteru KawamuraYasuharu Yamada
    • Akiyoshi TOCHIGIKazuteru KawamuraYasuharu Yamada
    • G02B15/14
    • G02B15/173
    • A zoom lens comprising, in order from an object side thereof, a first lens group of positive refracting power, a second lens group of negative refracting power, an aperture stop, a third lens group of positive refracting power, a fourth lens group of negative refracting power, and a fifth lens group of positive refracting power. Upon zooming from the wide-angle end to the telephoto end, at least the first lens group and the aperture stop remain fixed in position, the second and third lens groups move in the optical axis direction, and the separation between each of the lens groups and the aperture stop changes. Upon focusing from a focusing-on-infinity state to a close-range-focusing state, the fourth lens group moves in the optical axis direction, with satisfaction of the following: −0.36
    • 一种变焦透镜,其从物体侧起依次具有正折射率的第一透镜组,负折射率的第二透镜组,孔径光阑,正折射率的第三透镜组,负折射率的第四透镜组 屈光力和第五透镜组的正折射力。 当从广角端到望远端变焦时,至少第一透镜组和孔径光阑保持固定就位,第二和第三透镜组沿光轴方向移动,并且每个透镜组之间的间隔 并且孔径光阑改变。 从聚焦无限状态向近距离聚焦状态聚焦时,第四透镜组沿光轴方向移动,满足以下条件:-0.36
    • 4. 发明授权
    • Zoom lens
    • 变焦镜头
    • US08711489B2
    • 2014-04-29
    • US13369777
    • 2012-02-09
    • Hirohiko KimataYasuharu YamadaYasuji OgataKazuteru Kawamura
    • Hirohiko KimataYasuharu YamadaYasuji OgataKazuteru Kawamura
    • G02B15/14G02B15/173
    • G02B15/22G02B15/14G02B15/173G02B15/177
    • In a zoom lens of a fixed total length, at the time of changing the magnification from the wide-angle end toward the telephoto end, the first lens group is anchored while the second lens group is moved, and the third and fourth lens groups are moved so as to be located at the object side of the telephoto end relative to the wide-angle end, such that: the interval between the second and third lens groups is decreased at the telephoto end relative to the wide-angle end; the interval between the third and fourth lens groups is increased at the telephoto end relative to the wide-angle end; and the interval between the fourth and fifth lens groups is increased at the telephoto end relative to the wide-angle end, and at the time of focusing a near object point from a remote object point, the second lens group is moved.
    • 在固定的总长度的变焦透镜中,在从广角端向望远端改变放大倍数时,第一透镜组在第二透镜组移动的同时被固定,第三和第四透镜组是 相对于广角端部位于长焦端的物体侧,使得第二透镜组和第三透镜组之间的间隔在望远端相对于广角端减小; 第三透镜组和第四透镜组之间的间隔在望远端相对于广角端增加; 并且第四透镜组和第五透镜组之间的间隔在望远端相对于广角端增加,并且在从远程对象点聚焦近物点时,第二透镜组移动。
    • 6. 发明授权
    • Hyperbranched polyimide-based hybrid material
    • 超支化聚酰亚胺类杂化材料
    • US07771521B2
    • 2010-08-10
    • US11680187
    • 2007-02-28
    • Yasuharu YamadaTomoyuki Suzuki
    • Yasuharu YamadaTomoyuki Suzuki
    • C08L79/08B01D53/22B01D71/06B01D71/64H01L21/312
    • C08G83/005C08G73/10C08K3/20C08L79/08
    • It is an object of the present invention to provide a polyimide-based hybrid material which is industrially and advantageously utilized because of having better gas permeability, electric characteristics, heat resistance, mechanical strength, and the like as compared with the conventional polyimide-based hybrid materials, while keeping chemical resistance, forming characteristics (process characteristics), and the like inherently possessed by polyimide. Provided is a hyperbranched polyimide-based hybrid material constituted of an organic-inorganic polymer hybrid, wherein the organic-inorganic polymer hybrid has a hyperbranched polyimide moiety and an inorganic oxide moiety which are combining each other via covalent bond and constituting a composite structure.
    • 本发明的目的是提供一种与传统的聚酰亚胺类杂化物相比具有更好的气体渗透性,电特性,耐热性,机械强度等在工业上有利地使用的聚酰亚胺类杂化材料 材料,同时保持聚酰亚胺固有的耐化学性,成型特性(工艺特性)等。 提供一种由有机 - 无机聚合物杂化物构成的超支化聚酰亚胺系混合材料,其中有机 - 无机聚合物杂化物具有通过共价键彼此结合并构成复合结构的超支化聚酰亚胺部分和无机氧化物部分。
    • 7. 发明授权
    • Imaging optical system and imaging apparatus comprising the same
    • 成像光学系统及其成像装置
    • US07706085B2
    • 2010-04-27
    • US12322689
    • 2009-02-04
    • Yasuharu Yamada
    • Yasuharu Yamada
    • G02B9/60G02B3/02
    • G02B7/08G02B15/17
    • An imaging optical system includes: an object-side lens group having, in order from its object side, an object-side positive meniscus lens that is convex on its object side and has positive refracting power, and an object side negative meniscus lens that is convex on its object side and has negative refracting power; and image-side lens group having, in order from its object side, an image-side negative lens, an image-side first positive lens and an image-side second positive lens. The image-side negative lens and the image-side first positive lens adjacent thereto form together a cemented doublet.
    • 一种成像光学系统包括:物体侧透镜组,其物体侧依次具有物体侧凸起并具有正折射光焦度的物体侧正弯月形透镜,以及物镜侧负弯月形透镜, 在其物体侧凸起并具有负折射力; 以及从其对象侧依次具有图像侧负透镜,图像侧第一正透镜和图像侧第二正透镜的图像侧透镜组。 图像侧负透镜和与其相邻的图像侧第一正透镜一起形成胶合双峰。
    • 8. 发明申请
    • Imaging optical system and imaging apparatus comprising the same
    • 成像光学系统及其成像装置
    • US20090201592A1
    • 2009-08-13
    • US12322689
    • 2009-02-04
    • Yasuharu Yamada
    • Yasuharu Yamada
    • G02B15/14
    • G02B7/08G02B15/17
    • The object-side lens group G1 comprises two lenses: in order from its object side, an object-side positive meniscus lens L11 that is convex on its object side and has positive refracting power and an object-side negative meniscus lens L12 that is convex on its object side and has negative refracting power, and the image-side lens group G2 comprises three lenses: in order from its object side, an image-side negative lens L21, an image-side first positive lens L22 and an image-side second positive lens L23. The image-side negative lens L21 and the image-side first positive lens L23 adjacent thereto form together a cemented doublet, and the following conditions (1), (2) and (3) are satisfies. 2.3≦|f1/f|≦5.3   (1) 0.8≦f2/f≦1.0   (2) 0.55≦L/f≦0.85   (3) where f is the focal length of the whole imaging optical system, f1 is the focal length of the object-side lens group in the imaging optical system, f2 is the focal length of the image-side lens group in the imaging optical system, and L is the axial distance from the vertex of the lens surface located in, and nearest to the object side of, the object-side lens group to the vertex of the lens surface located in, and nearest to the object side of, the image-side lens group.
    • 物体侧透镜组G1包括两个透镜:从其物体侧开始,在物体侧凸起并具有正折射光焦度的物体侧正弯月形透镜L11和凸起的物体侧负弯月形透镜L12 并且具有负折射率,并且图像侧透镜组G2包括三个透镜:从其物体侧起,图像侧负透镜L21,图像侧第一正透镜L22和图像侧 第二正透镜L23。 相邻的图像侧负透镜L21和图像侧第一正透镜L23一起形成胶合双面,满足以下条件(1),(2)和(3)。 <?in-line-formula description =“In-line Formulas”end =“lead”?> 2.3 <= | f1 / f | <= 5.3(1)<?in-line-formula description = “end =”tail“?> <?in-line-formula description =”In-line formula“end =”lead“?> 0.8 <= f2 / f <= 1.0(2)<? =“内联公式”end =“tail”?> <?in-line-formula description =“In-line formula”end =“lead”?> 0.55 <= L / f <= 0.85(3) in-line-formula description =“In-line Formulas”end =“tail”?>其中f是整个成像光学系统的焦距,f1是成像光学系统中的物体侧透镜组的焦距 ,f2是成像光学系统中的图像侧透镜组的焦距,并且L是从位于物体侧透镜组的物体侧并且最接近物镜侧透镜组的透镜表面的顶点的轴向距离 透镜表面的顶点位于图像侧透镜组的物体侧且最靠近图像侧透镜组的物体侧。
    • 9. 发明申请
    • Surge protection device and surge protection apparatus using thereof
    • 浪涌保护装置及其使用的浪涌保护装置
    • US20080198527A1
    • 2008-08-21
    • US11807806
    • 2007-05-30
    • Shuji HigashiYoshio IgarashiYukio UwanoYasuharu Yamada
    • Shuji HigashiYoshio IgarashiYukio UwanoYasuharu Yamada
    • H02H3/22H01C7/12
    • H02H9/042H02H9/06
    • In a surge protection device 40 (40-1 or 40-2) used for a surge protection apparatus, a gas arrester 41 is connected in series with a varister group consisting of a plurality of varisters 42-1 to 42-5 which have high withstand capacity and are connected in parallel to one another and a discharge resistor 43 is connected between both electrodes of the varister group. Besides, since the varister voltages are set higher than the peak value of the AC power supply voltage, the varisters 42-1 to 42-5 are normally insulated from a power supply circuit by the gas arrester 41. Even if an abnormal voltage is applied, since an operating voltage of the varisters 42-1 to 42-5 is set higher than a peak value of the AC power supply voltage, AC power supply current will not flow. Charges stored in the varisters 42-1 to 42-5 are released quickly through the resistor 43, making it possible to prevent the gas arrester 41 from restriking. This provides a small, reliable, inexpensive surge protection device (SPD) relatively simple in structure and a surge protection apparatus using thereof.
    • 在用于浪涌保护装置的浪涌保护装置40(40-1或40-2)中,气体避雷器41与由多个具有高电平的多个清洗剂42-1至42-5组成的清漆组串联连接 承受能力并且彼此并联连接,并且放电电阻器43连接在所述清漆组的两个电极之间。 此外,由于将修整电压设定为高于交流电源电压的峰值,所以通过避雷器41将整流器42-1至42-5通常与电源电路绝缘。即使施加了异常电压 由于调光器42-1至42-5的工作电压被设定为高于交流电源电压的峰值,所以交流电源电流不会流动。 存储在调光器42-1至42-5中的电荷通过电阻器43快速释放,使得可以防止气体避雷器41再起弧。 这提供了一种结构相对简单且使用其的浪涌保护装置的小型,可靠,廉价的浪涌保护装置(SPD)。
    • 10. 发明授权
    • Retention bracket/collar for circuit cards
    • 电路卡固定支架/套环
    • US06517369B1
    • 2003-02-11
    • US10098791
    • 2002-03-14
    • Matthew Allen ButterbaughDonald Wayne DingfelderYasuharu Yamada
    • Matthew Allen ButterbaughDonald Wayne DingfelderYasuharu Yamada
    • H01R1362
    • H01R12/707H01R13/639
    • A bracket/collar is disclosed to circumscribe an integrated circuit card into an electrical or an optical connector. The bracket/collar has several features, such as grooves, to hold the circuit card into the bracket; the grooves may be on any available edge not mating with or held by the connector, and may hold a corner or other feature of the circuit card. Another feature of the bracket/collar is a mechanism, such as a hook or notch, to connect with the connector. Yet another feature of the bracket/collar is that, by its shape, it provides sufficient loading of the circuit card into the connector so that when dropped or otherwise mechanically shocked, the circuit card is not displaced from its connector. The bracket/collar is especially useful to secure DIMM memory cards within their electrical connectors in handheld computers.
    • 公开了用于将集成电路卡包围到电连接器或光连接器中的支架/套环。 支架/轴环具有几个特征,例如凹槽,用于将电路卡固定到支架中; 凹槽可以在不与连接器配合或保持的任何可用边缘上,并且可以保持电路卡的拐角或其他特征。 支架/轴环的另一个特征是与连接器连接的机构,例如钩子或凹口。 支架/轴环的另一个特征是,通过其形状,其将电路卡充分加载到连接器中,使得当掉落或以其他方式机械震动时,电路卡不会从其连接器移位。 支架/套环特别适用于在手持式计算机的电气连接器内保护DIMM存储卡。