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    • 1. 发明申请
    • AN ARRANGEMENT FOR OVERCURRENT PROTECTION OF LINE DRIVERS
    • 线路驱动器过流保护的安排
    • WO2003001786A1
    • 2003-01-03
    • PCT/SE2002/001130
    • 2002-06-11
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)HELLBERG, HenrikEMERICKS, AndersLUNDIN, Ulf
    • HELLBERG, HenrikEMERICKS, AndersLUNDIN, Ulf
    • H04M19/00
    • H04M19/005
    • In a SLIC (1), line drivers (2,3) are connected with their inputs to respective outputs of a controllable current attenuator (6) whose input is supplied with transversal currents to be transmitted onto the transmission line (A,B), and with their outputs to respective wire of a two-wire transmission line (A,B). Means (4,9,10) are provided to detect any longitudinal currents on the transmission line (A,B) and to generate a current (I5,I6) to the inputs of the line drivers (2,3), that is proportional to a detected longitudinal current to counteract the same . Said means (4,9,10) is connected to a first input of a current comparator (5) having s second input connected to a reference current generator (7), and an output connected to a control input of the current attenuator (6). The current comparator (5) generates currents (I3) to control the current attenuator (6) to increase its attenuation when the current (I4) proportional to any longitudinal current on the transmission line exceeds the reference current (I9).
    • 在SLIC(1)中,线路驱动器(2,3)与其输入端连接到可控电流衰减器(6)的相应输出,输入端被提供有传输到传输线(A,B)的横向电流, 并将其输出输出到双线传输线(A,B)的相应线。 提供装置(4,9,10)以检测传输线(A,B)上的任何纵向电流,并产生到线路驱动器(2,3)的输入端的电流(I5,I6) 到检测到的纵向电流以抵消它。 所述装置(4,9,10)连接到具有连接到参考电流发生器(7)的第二输入端的电流比较器(5)的第一输入端,以及连接到电流衰减器(6)的控制输入端 )。 当与传输线上的任何纵向电流成比例的电流(I4)超过参考电流(I9)时,电流比较器(5)产生电流(I3)以控制电流衰减器(6)增加其衰减。
    • 2. 发明申请
    • SAW BLADE FOR WOOD
    • 木材锯片
    • WO2005087421A1
    • 2005-09-22
    • PCT/SE2005/000347
    • 2005-03-10
    • KAPMAN ABLUNDIN, UlfOLOFSSON, RonnyERIKSSON, Erik
    • LUNDIN, UlfOLOFSSON, RonnyERIKSSON, Erik
    • B23D61/12
    • B23D61/121Y10T83/935
    • A saw blade for cutting of wood, comprising cutting teeth (1.1, 1.2, 1.3, 1.4, 2.1, 2.2, 2.3, 2.4) which have filed or sharpened front and rear lateral edges, 5 said edges meeting at a sharp point alternately on the right and the left side of the saw blade, where the cutting teeth (1.1, 1.2, 1.3, 1.4, 2.1, 2.2, 2.3, 2.4) are arranged in recurrent main groups (3) of eight cutting teeth (1.1, 1.2, 1.3, 1.4, 2.1, 2.2, 2.3, 2.4), each main group (3) being divided into two subgroups (1, 2) com­prising four cutting teeth (1.1, 1.2, 1.3, 1.4, 2.1, 2.2, 2.3, 2.4) each. Each subgroup to (1, 2) comprises one cutting tooth (1.1, 2.4) set to a first side, two cutting teeth (1.2, 1.4, 2.1, 2.3) set to a second side opposite said first side, and one unset cut­ting tooth (1.3, 2.2) located between the two last-mentioned cutting teeth (1.2, 1.4, 2.1, 2.3), and the set cutting teeth (1.1, 1.2, 1.4, 2.1, 2.3, 2.4) in each subgroup (1, 2) are set respectively to that side where the sharp point is located.
    • 一种用于切割木材的锯片,包括切割齿(1.1,1.2,1.3,1.4,2.1,2.2,2.3,2.4),所述切割齿已经或锐化了前后侧边缘,所述边缘在所述边缘处交替地在尖锐的点处相交 其中切割齿(1.1,1.2,1.3,1.4,2.1,2.2,2.3,2.4)设置在八个切割齿(1.1,1.2,3.3)的反复主要组(3)中,锯片的右侧和左侧 ,1.4,2.1,2.2,2.3,2.4),每个主组(3)被分成两个子组(1,2),每个子组包括四个切割齿(1.1,1.2,1.3,1.4,2.1,2.2,2.3,2.4),每个分组 。 每个子组至(1,2)包括设置在第一侧的一个切割齿(1.1,2.4),设置在与第一侧相对的第二侧的两个切割齿(1.2,1.4,2.1,2.3),以及一个未设定的切割齿 (1.2,1.2,2.1,2.3)中的两个最后提到的切割齿(1.2,1.4,2.1,2.3)之间的距离(1.3,2.2)和每个子组(1,2)中的设定的切割齿(1.1,1.2,1.4,2.1,2.3,2.4) 分别设置在尖锐位置的那一侧。