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    • 6. 发明授权
    • Apparatus for blow molding
    • 吹塑设备
    • US4155696A
    • 1979-05-22
    • US885026
    • 1978-03-08
    • Michel SiardDaniel Pellerin
    • Michel SiardDaniel Pellerin
    • B29C49/04B29C49/70B29C17/07
    • B29C49/70B29C49/04
    • A process and apparatus for blow-molding hollow bodies in a mold having half-molds which are closed along a mold joint during blow molding and are laterally displaced with respect to one another to open the mold for removal of the formed hollow body. The half-molds are shaped to form a concave bottom on the hollow body and when the half-molds are opened they impose a translation movement on the hollow body. A plug is formed at the bottom of the hollow body during molding which plug is seized by pincers prior to the opening of the mold such that the hollow body is supported by the pincers during mold opening. The pincers are displaced during mold opening, in translation parallel to the plane of the mold joint, over a distance at least equal to that imposed on the hollow body by the half-molds during opening of the mold.
    • 一种用于在具有半模的模具中吹塑中空体的方法和装置,其在吹塑过程中沿着模具接头封闭并相对于彼此横向移位以打开模具以移除所形成的中空体。 半模被成形为在中空体上形成凹底,当半模打开时,它们在中空体上施加平移运动。 在模制期间,在中空体的底部形成有塞子,在模具打开之前,该塞子被钳子抓住,使得中空体在开模期间被夹持器支撑。 在模具打开期间,钳口在模具开口期间平行于模具接头的平面平移至少等于通过半模施加在中空体上的距离。
    • 7. 发明授权
    • Method and apparatus for collecting errors in the digital data of a
television signal
    • 收集电视信号数字数据误差的方法和装置
    • US4873689A
    • 1989-10-10
    • US203405
    • 1988-06-06
    • Daniel Pellerin
    • Daniel Pellerin
    • H03M13/00H03M13/15H04N7/26
    • H03M13/15
    • A method and apparatus for correcting errors in the digital data of a television signal, wherein the digital signals are Golay codes having 23 bits constituted by two parts: a message and a redundance. If there are between zero and three errors to be corrected, there are 2048 possible cases, whose examination one by one would be too time-consuming and/or too expensive in a memory. However, if there are two errors in one of the parts, there cannot be more than one error in the other part. Therefore, in a first case, one of the parts does not comprise errors and serves to recreate the other part (1-8) completely. In the other case, one of the parts comprises only one error: there is started from this part; the different bits susceptible to being affected by the single error thereof are modified in turn (9,12) and there is each tiem verified (10,13,15) whether the other part could correspond to the modified part. The total number of tests is thus strongly limited.
    • 一种用于校正电视信号的数字数据中的错误的方法和装置,其中数字信号是由两部分构成的具有23位的消息和冗余的Golay码。 如果要纠正零到三个错误,则有2048个可能的情况,一个接一个的检查在内存中太费时和/或太贵。 但是,如果其中一个部分有两个错误,则其他部分中不能有多个错误。 因此,在第一种情况下,其中一个部分不包括错误,并用于完全重新创建另一部分(1-8)。 在另一种情况下,其中一个部分仅包含一个错误:从该部分开始; 依次(9,12)修改容易受其单一错误影响的不同位,并且确认每个tiem(10,13,15)是否可以对应于修改的部分。 因此,测试的总数受到很大限制。