Apparatus for melt spinning with high pull-off speeds and filament
produced by means of the apparatus
    3.
    发明授权
    Apparatus for melt spinning with high pull-off speeds and filament produced by means of the apparatus 失效
    用于通过该装置产生的具有高脱落速度的熔体纺丝和细丝的装置

    公开(公告)号:US5234327A

    公开(公告)日:1993-08-10

    申请号:US918947

    申请日:1992-07-22

    申请人: Horst Martin

    发明人: Horst Martin

    IPC分类号: D01D5/092 D01D5/098

    CPC分类号: D01D5/098 D01D5/092

    摘要: A melt-spinning device comprises an essentially sealed spinning chamber (3) mounted in a gas-tight manner between a spinneret bundle (2) and a yarn suction device (7). The spinning chamber (3) is partially perforated only in the region located 150 to 350 mm from the spinneret bundle. At a winding-off speed of 5,500 m/min, the filament produced has a count irregularity less than 0.60% U.

    摘要翻译: 熔体纺丝装置包括在喷丝头束(2)和纱线吸引装置(7)之间以气密方式安装的基本上密封的纺丝室(3)。 旋转室(3)仅在距离喷丝头束150至350mm的区域内部分穿孔。 在550m / min的卷绕速度下,产生的细丝的计数不规则度小于0.60%U.

    Method for frame synchronization of an exchange of a PCM time multiplex
telecommunication system
    4.
    发明授权
    Method for frame synchronization of an exchange of a PCM time multiplex telecommunication system 失效
    PCM时间复用电信系统交换机的帧同步方法

    公开(公告)号:US4864565A

    公开(公告)日:1989-09-05

    申请号:US99881

    申请日:1987-09-22

    IPC分类号: H04J3/06

    CPC分类号: H04J3/0605

    摘要: A frame start word derived by superframe formation is found by testing for the presence of a correct binary value combination each bit position in a time window having the length of as many bits as framing bits are spaced apart, with the inclusion of so many overframes that a decision can be reached on the possibility of a relationsip to the frame start word. If this is to be excluded the corresponding bit position is flagged and thereafter no longer taken into consideration. Otherwise, the next binary value of the corresponding bit position is inferred from the binary value present. The procedure is continued, always including the same number of overframes until only one unflagged bit position remains.

    摘要翻译: 通过测试存在正确的二进制值组合,找出存在正确的二进制值组合的时间窗中的每个比特位置,其中具有与成帧比特间隔开的位数一样多的时间窗口,包括如此多的超帧 可以对框架起始字的关系的可能性做出决定。 如果这被排除,相应的位位置被标记,其后不再被考虑。 否则,从存在的二进制值推断出相应位位置的下一个二进制值。 该过程继续,总是包括相同数量的超帧,直到只剩下一个未标记的位位置。