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    • 23. 发明授权
    • Interface apparatus
    • 接口设备
    • US06826192B2
    • 2004-11-30
    • US09766001
    • 2001-01-19
    • Akira ShimamuraYoshihiro UchidaMakoto AdachiYoshiyuki TokoiHirotoshi MoriHajime Yamashita
    • Akira ShimamuraYoshihiro UchidaMakoto AdachiYoshiyuki TokoiHirotoshi MoriHajime Yamashita
    • H04L1228
    • H04L49/3081H04J2203/0089H04L2012/5654H04Q11/0478
    • Disclosed is an interface apparatus in a communication network for converting a frame, which has been received from a digital transmission line and has overhead and a payload, to ATM cells, assembling a frame using ATM cells that have been received from an ATM network, and sending the assembled frame to a digital transmission line. The apparatus includes cell conversion zone specifying means for defining, as a cell conversion zone, the smallest possible portion of a frame that contains the overhead data and payload, and generating a signal that specifies the cell conversion zone; pointer creation means for creating a pointer which specifies a predetermined position of the cell conversion zone as a reference position; and cell conversion means for converting data in the cell conversion zone into cells based upon the signal that specifies the cell conversion zone, and for inserting this pointer, which indicates the reference position of the cell conversion zone, in a prescribed cell. On the ATM-cell receiving side, the apparatus detects pointers, assembles ATM cells into a frame based upon the pointers and transmits the frame.
    • 公开了一种通信网络中的接口装置,用于将已经从数字传输线接收并且具有开销和有效载荷的帧转换到ATM信元,使用从ATM网络接收的ATM信元组装帧,以及 将组装的帧发送到数字传输线。 该装置包括:小区转换区域指定装置,用于将包含开销数据和有效载荷的帧的最小可能部分定义为小区转换区,并产生指定小区转换区的信号; 指针创建装置,用于创建指定小区转换区的预定位置作为参考位置的指针; 以及单元转换装置,用于基于指定单元转换区的信号将单元转换区中的数据转换为单元,并将用于指示单元转换区的参考位置的指针插入到规定的单元中。 在ATM信元接收侧,设备检测指针,基于指针将ATM信元组装成帧,并发送帧。
    • 24. 发明授权
    • Header converting method
    • 标题转换方法
    • US5930477A
    • 1999-07-27
    • US16380
    • 1998-01-30
    • Yoshihiro Uchida
    • Yoshihiro Uchida
    • H04L12/935H04L12/937H04L12/947H04Q11/04H04L12/28G06F13/38
    • H04L49/309H04L49/253H04L49/256H04L49/3009H04L49/3081H04Q11/0478H04L49/30
    • An ATM switch accommodates a plurality of input lines. Conversion controlling units are disposed corresponding to the input lines. Each of the conversion controlling units analyzes a header of a cell received through the relevant input line and accesses a common conversion table corresponding to routing information included in the header. The common conversion table is disposed in common with the input lines. The common conversion table collates routing information of cells received through the input lines with output routing information and stores the collated data. Each of the conversion controlling units extracts output routing information from the common conversion table corresponding to the routing information of a cell received through the relevant input line, adds output routing information to the header of the cell, and sends the resultant cell to the ATM switch.
    • ATM交换机容纳多条输入线。 对应于输入线设置转换控制单元。 每个转换控制单元分析通过相关输入行接收的单元的标题,并且访问与包括在标题中的路由信息​​相对应的公共转换表。 公共转换表与输入行共同设置。 公共转换表将通过输入行接收的单元的路由信息​​与输出路由信息进行比较,并存储整理的数据。 每个转换控制单元从与通过相关输入线接收的小区的路由信息​​相对应的公共转换表中提取输出路由信息,将输出路由信息添加到小区的头部,并将所得到的小区发送到ATM交换机 。
    • 27. 发明授权
    • Imaging optical system and imaging apparatus using the same
    • 成像光学系统和使用其的成像装置
    • US08976466B2
    • 2015-03-10
    • US13356896
    • 2012-01-24
    • Takuya OtsuKenichiro AbeYoshihiro Uchida
    • Takuya OtsuKenichiro AbeYoshihiro Uchida
    • G02B9/60G02B13/00G02B15/16
    • G02B13/0045G02B9/60G02B15/161
    • An imaging optical system smaller than conventional systems yet with well-corrected aberrations, comprises five lenses L1-L5 having refractive powers, in order from the object side: positive, negative, positive, positive, and negative, with an aperture at an endmost object-side position. In one embodiment, L1 is biconvex, L2's object-side surface is convex, L5's object-side surface is convex, and 1.0≦f3/f1≦4.9, f1 and f3 being the focal lengths of L1 and L3, respectively. In a variant thereof, L2 is a meniscus lens and L5's object-side surface is concave. In another embodiment, L1 is glass, and −4.0
    • 成像光学系统比常规系统还小,但具有良好校正的像差,包括具有折射光焦度的五个透镜L1-L5,从物体侧起:正,负,正,正和负,在最终物体处具有孔 边位置 在一个实施例中,L1是双凸面,L2的物体侧表面是凸的,L5的物体侧表面是凸的,并且分别是L1和L3的焦点的1.0&nlE; f3 / f1&nlE; 4.9,f1和f3。 在其变型中,L2是弯月形透镜,L5的物体侧表面是凹形的。 在另一个实施例中,L1是玻璃,而-4.0 <(r6 + r7)/(r6-r7)<-0.51,r6和r7分别是L3的物体和图像侧表面的近轴曲率半径。 在另一个实施例中,L1是玻璃,-1.5
    • 29. 发明授权
    • ATM switch
    • ATM交换机
    • US06724760B2
    • 2004-04-20
    • US09040742
    • 1998-03-18
    • Yoshihiro Uchida
    • Yoshihiro Uchida
    • H04L1256
    • H04L45/04H04L12/5601H04L49/203H04L49/309
    • An ATM switch includes routing modules in each of which modules ATM cells can be switched at crosspoints of inputs and outputs, input units which are respectively provided to input highways and add tags to the ATM cells transferred over the input highways, the tags being used to switch the ATM cells in the routing modules, the ATM cells with the tags added being supplied to the routing modules, and output units which are respectively provided to output highways and multiply the ATM cells supplied from the routing modules to output the ATM cells to the output highways.
    • ATM交换机包括路由模块,其中每个模块ATM信元可以在输入和输出的交叉点处切换,输入单元分别提供给输入高速公路,并向通过输入高速公路传输的ATM信元添加标签,标签用于 切换路由模块中的ATM信元,将添加的标签的ATM信元提供给路由模块,输出单元分别提供给输出高速公路,并将从路由模块提供的ATM信元乘以输出ATM信元到 输出高速公路。