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    • 21. 发明授权
    • Image forming apparatus, method of determining deterioration degree of development agent, and program of determining deterioration degree of development agent
    • 图像形成装置,显影剂的劣化程度的判定方法以及显影剂的劣化程度的判定程序
    • US08213812B2
    • 2012-07-03
    • US12404503
    • 2009-03-16
    • Takao IzumiMinoru YoshidaHiroshi MurataTakeshi Hatakeyama
    • Takao IzumiMinoru YoshidaHiroshi MurataTakeshi Hatakeyama
    • G03G15/08
    • G03G15/0849
    • The present invention provides a technique to accurately grasp a deterioration state of a development agent in a development device, in a development system which supplies a new development agent consisting of a toner and a carrier and discharges an deteriorated development agent to maintain a performance of a development agent in a development device.An image forming apparatus according to the present invention includes a stirring information obtaining section configured to obtain information of a stirring time of the development agent in the development device, a supply information obtaining section configured to obtain information of an amount of the carrier supplied into the development device, and a deterioration degree determining section configured to determine a deterioration degree of the development agent in the development device on the basis of the information obtained by the stirring information obtaining section and the supply information obtaining section.
    • 本发明提供一种在显影系统中精确地掌握显影剂在显影装置中的劣化状态的技术,该显影系统提供由调色剂和载体构成的新的显影剂,并且使劣化的显影剂排出以维持 开发代理在开发设备中。 根据本发明的图像形成装置包括:搅拌信息获取部,被配置为获取显影装置中的显影剂的搅拌时间的信息;供给信息获取部,被配置为获得供给到所述显影剂的载体的量的信息; 显影装置和劣化程度确定部分,被配置为基于由搅拌信息获取部分和供应信息获取部分获得的信息来确定显影装置中的显影剂的劣化程度。
    • 22. 发明申请
    • Zoom lens and image pickup apparatus
    • 变焦镜头和摄像设备
    • US20100214665A1
    • 2010-08-26
    • US12658416
    • 2010-02-08
    • Takeshi Hatakeyama
    • Takeshi Hatakeyama
    • G02B15/177
    • G02B15/177G02B27/646
    • A zoom lens and an image pickup apparatus having such a zoom lens are provided. The zoom lens includes a first lens group in which each lens has negative refractive power, a second lens group in which each lens has positive refractive power, a third lens group in which each lens has positive refractive power. These lens groups are arranged in this order from an object side to an image side. The first lens group includes a negative lens and a positive lens which are arranged in this order from an image side to an object side. The third lens group includes a positive lens. Both surfaces of the negative lens of the first lens group are aspherical surfaces, respectively. Both surfaces of the positive surfaces of the third lens group are aspherical surfaces, respectively.
    • 提供了具有这种变焦透镜的变焦透镜和图像拾取装置。 变焦镜头包括其中每个透镜具有负折光力的第一透镜组,每个透镜具有正折光力的第二透镜组,每个透镜具有正折射光焦度的第三透镜组。 这些透镜组从物体侧到像侧依次排列。 第一透镜组包括从图像侧到物体侧依次布置的负透镜和正透镜。 第三透镜组包括正透镜。 第一透镜组的负透镜的两个表面分别是非球面。 第三透镜组的正表面的两个表面分别是非球面。
    • 23. 发明申请
    • Zoom Lens, image capture apparatus, and method for controlling zoom lens
    • 变焦镜头,摄像装置以及控制变焦镜头的方法
    • US20090208195A1
    • 2009-08-20
    • US12320466
    • 2009-01-27
    • Takeshi Hatakeyama
    • Takeshi Hatakeyama
    • G03B17/00G02B27/64G02B15/16
    • G02B15/173G02B27/646
    • A zoom lens formed of a plurality of lens groups and performing zooming by changing separations between predetermined lens groups. A lens group closest to an object side is fixed in both optical axis directions during zooming, and has a reflecting member for folding an optical axis approximately 90 degrees. A final lens group positioned closest to an image side and fixed in both optical axis directions during zooming has a lens part group SG having positive refractive power and a lens part group RG arranged adjacent to the image side of the lens part group SG and having negative refractive power. A blur is corrected by shifting the lens part group SG in either direction perpendicular to the optical axis.
    • 由多个透镜组形成的变焦透镜,并且通过改变预定透镜组之间的分离来进行变焦。 最靠近物体侧的透镜组在变焦期间在两个光轴方向上被固定,并且具有用于将光轴折叠大约90度的反射部件。 在变焦期间最靠近图像侧并且在两个光轴方向上固定的最终透镜组具有与透镜部分组SG的像侧相邻布置的具有正折光力的透镜部分组SG和透镜部分组RG,并且具有负 屈光力。 通过在与光轴垂直的任一方向上移动透镜部件组SG来校正模糊。
    • 25. 发明申请
    • Transmitting and receiving system, transmitting equipment, and transmitting method
    • 发射和接收系统,发射设备和传输方法
    • US20070086403A1
    • 2007-04-19
    • US11541659
    • 2006-10-03
    • Takeshi HatakeyamaAkifumi NagaoMasataka Irie
    • Takeshi HatakeyamaAkifumi NagaoMasataka Irie
    • H04Q7/24
    • H04L1/1887H04W28/18H04W72/1242
    • In a case where it is determined that communication data indicates a first data attribute in a transmitter, that communication data is transmitted and an acknowledgement signal is requested to be sent back from a receiver. If the acknowledgement signal is not sent back, that communication data is retransmitted. In a case where it is determined that the communication data indicates a second data attribute in the transmitter, that communication data is transmitted and an acknowledgement signal is requested to be sent back according to an allowable number of retransmissions corresponding to the second data attribute. And that communication data is retransmitted in accordance with the allowable number of retransmissions and presence or absence of the acknowledgement signal sent back. The allowable number of retransmissions corresponding to the second data attribute is smaller than that corresponding to the first data attribute.
    • 在确定通信数据指示发送机中的第一数据属性的情况下,发送该通信数据,并且请求从接收器发送确认信号。 如果确认信号未被发回,那么该通信数据被重发。 在确定通信数据指示发送器中的第二数据属性的情况下,发送该通信数据,并且根据对应于第二数据属性的可允许重传次数请求确认信号被发回。 并且该通信数据根据允许的重发次数以及发回的确认信号的存在或不存在被重传。 对应于第二数据属性的允许重传次数小于与第一数据属性对应的重发次数。