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公开(公告)号：US3638187A
公开(公告)日：1972-01-25
申请号：US3638187D
申请日：1970-05-28
CPC分类号： G06K11/02
摘要： In an automatic curve tracing system wherein an area including a curve to be traced is subjected to a round scanning operation of a detector to produce a positional information and the detector is moved in a predetermined direction over a predetermined direction in response to the positional information, there is provided apparatus for processing an acute angle included in the curve including means to store a previous tracing direction and means to determine a particular direction having a minimum difference with respect to the previous tracing direction and within prescribed limits.
摘要翻译： 在自动曲线跟踪系统中，其中包括要跟踪的曲线的区域经受检测器的圆形扫描操作以产生位置信息，并且响应于位置信息，检测器沿预定方向在预定方向上移动， 提供了用于处理包括在曲线中的锐角的装置，包括用于存储先前的跟踪方向的装置和用于确定相对于先前的跟踪方向具有最小差异并在规定限度内的特定方向的装置。
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2.发明授权Apparatus for judging and processing branches and or crossings for use in automatic curve tracing system 失效用于自动曲线跟踪系统中使用的判断和处理分支和交叉的装置
公开(公告)号：US3671941A
公开(公告)日：1972-06-20
申请号：US3671941D
申请日：1970-05-28
摘要： In an automatic curve tracing system wherein an area containing a curve to be traced is scanned by a detector and the detector is moved successively according to a positional information obtained by the scanning operation, there is provided apparatus for judging a branch and or crossing including means to judge whether the branch and or crossing are included or not in the scanning area and means to store the result of the judgement while the same branch and or crossing are contained in the subsequent scanning area.
摘要翻译： 在自动曲线追踪系统中，其中包含要跟踪的曲线的区域被检测器扫描，并且检测器根据通过扫描操作获得的位置信息连续移动，提供了用于判断分支和/或交叉的装置，包括装置 以判断在扫描区域中是否包括分支或交叉，并且在相同的分支和/或交叉包含在随后的扫描区域中时存储判断结果的装置。
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公开(公告)号：US3671937A
公开(公告)日：1972-06-20
申请号：US3671937D
申请日：1970-05-28
CPC分类号： G06K11/02
摘要： An automatic system for tracing a pattern depicted on a sheet of drawing comprises a detector operative to determine the presence or absence of the pattern to convert it into an electric signal, tracing direction detecting means responsive to the electric signal to judge whether the pattern is to be traced or not so as to provide a signal for moving the detector in the tracing direction, a driving mechanism responsive to the signal from the tracing direction detecting means to relatively move the detector in a predetermined direction by a predetermined distance and means to generate a digital signal corresponding to the tracing direction or a tracing spot, said detector detecting the information regarding the presence or absence of the pattern in an area close to the pattern to be traced thus continuously tracing the same.
摘要翻译： 用于跟踪在一张纸上描绘的图案的自动系统包括检测器，用于确定图案的存在或不存在以将其转换成电信号，跟踪方向检测装置响应于电信号来判断图案是否为 跟踪或不跟踪，以提供用于沿跟踪方向移动检测器的信号;响应于来自跟踪方向检测装置的信号的驱动机构，使检测器沿预定方向相对移动预定距离，并且产生一个 数字信号对应于跟踪方向或跟踪点，所述检测器检测关于在要跟踪的图案附近的区域中存在或不存在图案的信息，从而连续追踪其。
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公开(公告)号：US3671936A
公开(公告)日：1972-06-20
申请号：US3671936D
申请日：1970-05-28
CPC分类号： G06K11/02
摘要： In an automatic curve tracing system comprising a detector for performing a round scanning operation along the periphery of an area containing a curve to be traced to provide an information regarding the presence or absence and the position of the curve, means responsive to the information to move the detector in a predetermined direction and over a predetermined distance to trace the curve and means for repeating above described tracing operation, there is provided a discontinuity processing apparatus comprising means to broaden the scanning area of the detector, means to determine the number of informations generated by the detector when it performs the round scanning operation, means responsive to the number of informations corresponding to a discontinuity of the curve and means to broaden the scanning area of the detector when it reaches the discontinuity to judge the presence or absence of another curve to be traced.
摘要翻译： 在包括检测器的自动曲线跟踪系统中，该检测器用于沿着包含要跟踪的曲线的区域的周边执行圆形扫描操作，以提供关于曲线的存在或不存在以及位置的信息，响应于所述信息移动 检测器在预定方向上并且超过预定距离以跟踪曲线，并且用于重复上述跟踪操作的装置，提供了一种不连续处理装置，包括扩大检测器的扫描区域的装置，用于确定产生的信息数量的装置 当检测器执行圆形扫描操作时，响应于对应于曲线的不连续性的信息数量的装置和当检测器达到不连续性以扩大检测器的扫描区域以判断另一条曲线的存在或不存在时的装置 被追踪
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