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    • 51. 发明授权
    • Wireless transmitter and amplifier
    • 无线发射机和放大器
    • US07489910B2
    • 2009-02-10
    • US11387568
    • 2006-03-23
    • Takayuki KatoHiroshi YoshidaIchiro SetoKeiichi Yamaguchi
    • Takayuki KatoHiroshi YoshidaIchiro SetoKeiichi Yamaguchi
    • H03C7/02H04B1/02
    • H03F3/72H03F1/0288H03F3/24H03F3/602H03F2200/111H03F2200/423H03F2200/429H04B1/0483H04B2001/0408
    • There is provided with an amplifier comprising: first and second power amplifiers; a first path configured to output first and second input signals to the first and second power amplifiers; a second path configured to divide a first input signal, output one of divided signals to the first power amplifier and output the other divided signal to the second power amplifier; a first path changeover unit configured to change over the first and second paths; a third path configured to output first and second power amplified signals from the first and second power amplifiers; a fourth path configured to combines a first power amplified signal through an impedance conversion unit from the first power amplifier and a second power amplified signal from the second power amplifier at a combining point and output a combined signal; and a second path changeover unit configured to changeover the third and fourth paths.
    • 提供了一种放大器,包括:第一和第二功率放大器; 第一路径,被配置为将第一和第二输入信号输出到所述第一和第二功率放大器; 第二路径,被配置为分割第一输入信号,将分频信号中的一个输出到第一功率放大器,并将另一个分频信号输出到第二功率放大器; 第一路径切换单元,被配置为切换第一和第二路径; 第三路径,被配置为从所述第一和第二功率放大器输出第一和第二功率放大信号; 第四路径,被配置为通过来自第一功率放大器的阻抗转换单元和来自第二功率放大器的组合点的第二功率放大信号组合第一功率放大信号并输出​​组合信号; 以及第二路径切换单元,被配置为切换第三路径和第四路径。
    • 52. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20080310882A1
    • 2008-12-18
    • US12137281
    • 2008-06-11
    • Takayuki KatoHideki Kotsuka
    • Takayuki KatoHideki Kotsuka
    • G03G21/16
    • G03G21/185G03G15/0194G03G21/1633G03G2215/0132G03G2215/0193G03G2221/1603G03G2221/169
    • An image forming apparatus includes a first image forming unit, comprising a first image bearing member, detachably mountable to a main assembly of the image forming apparatus; a second image forming unit, comprising a second image bearing member, detachably mountable to the apparatus main assembly; a transfer device for transferring a toner image formed on the first image bearing member and a toner image formed on the second image bearing member onto a transfer medium; an opening through which the first image forming unit and the second image forming unit are passable during mounting and demounting operations; an openable member movable to an open position and a close position; and a guide portion for guiding at least one of the first image forming unit and the second image forming unit to be mounted in and demounted from the apparatus main assembly when the openable member is located in the open position. The guide portion is provided so that at least a part thereof enters a space between the first image forming unit and the second image forming unit when the openable member is located in the open position. The guide portion is provided so that at least a part thereof enters a space between the first image forming unit and the second image forming unit when the openable member is located in the close position.
    • 图像形成装置包括:第一图像形成单元,包括可拆卸地安装到图像形成装置的主组件的第一图像承载部件; 第二图像形成单元,包括可拆卸地安装到设备主组件的第二图像承载构件; 用于将形成在第一图像承载部件上的调色剂图像和形成在第二图像承载部件上的调色剂图像转印到转印介质上的转印装置; 第一图像形成单元和第二图像形成单元在安装和拆卸操作期间可通过的开口; 可移动的构件,其可移动到打开位置和关闭位置; 以及引导部,用于当所述可打开构件位于打开位置时,引导所述第一图像形成单元和所述第二图像形成单元中的至少一个被安装到所述装置主组件中并从所述装置主组件拆卸。 引导部分设置成使得当可打开构件位于打开位置时,其至少一部分进入第一图像形成单元和第二图像形成单元之间的空间。 引导部分设置成使得当可打开构件位于关闭位置时,其至少一部分进入第一图像形成单元和第二图像形成单元之间的空间。
    • 59. 发明申请
    • Image pickup unit for endoscope
    • 内窥镜摄像单元
    • US20060203361A1
    • 2006-09-14
    • US11372041
    • 2006-03-10
    • Takayuki Kato
    • Takayuki Kato
    • G02B9/04
    • G02B13/06G02B23/2407G02B23/2446
    • An image pickup unit which consists of an objective optical system and a solid-state image pickup device: the objective optical system being composed of a first negative lens unit comprising a first meniscus lens element having a convex surface on the object side and negative power, a second positive lens unit comprising a convex lens element and an aperture stop disposed between the first lens unit and the second lens unit and this image pickup unit having a small outside diameter, allowing a field angle to be changed little due to variations of parts and an assembling variation, and having a maximum field angle of 150° or larger.
    • 一种由物镜光学系统和固态图像拾取装置组成的图像拾取单元,所述物镜光学系统由包括在物体侧具有凸面的第一弯月形透镜元件和负电力的第一负透镜单元构成, 第二正透镜单元包括凸透镜元件和设置在第一透镜单元和第二透镜单元之间的孔径光阑,并且该图像拾取单元具有小的外径,允许由于部件的变化而使视场角变化很小, 组合变化,并且具有150°或更大的最大场角。