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11. 发明授权

US07594337B2 Power and/or signal paths for a machine tool accessory 有权
标题翻译：机床附件的电源和/或信号路径
公开(公告)号：US07594337B2
公开(公告)日：2009-09-29
申请号：US11886768
申请日：2006-03-20
申请人： David Roberts McMurtry , Geoffrey McFarland , David Kenneth Thomas
发明人： David Roberts McMurtry , Geoffrey McFarland , David Kenneth Thomas
IPC分类号： G01B5/00
CPC分类号： B23Q1/0009 , Y10T408/907
摘要： A tool shank (18;38;138) is described that comprises a spindle attachment portion (20) that is removably attachable to the rotatable spindle (12) of a machine tool (10), a shank body portion (21;121) which extends beyond the end of the spindle when the tool shank (18;38;138) is attached to the spindle (12) of a machine tool (10) and the first part (26;38;148) of a separable electrical coupling (22;132). The shank body portion comprises a feature (28;128) suitable for engagement with a tool change device (29) and the first part (26;38;148) of the separable electrical coupling (22;132) is located on the shank body portion (21;121) between the feature (28;128) and the spindle attachment portion (20). A machine tool (10), and a kit for retrofitting a machine tool (10), that comprise the second part (24;148) of the separable electrical coupling (22;132) are also described.
摘要翻译：描述了一种工具柄（18; 38; 138），其包括可拆卸地附接到机床（10）的可旋转主轴（12）的主轴附接部分（20），柄主体部分（21; 121）当工具柄（18; 38; 138）连接到机床（10）的主轴（12）并且第一部分（26; 38; 148）连接到可分离的电耦合器 22; 132）。柄主体部分包括适于与换刀装置（29）接合的特征（28; 128），并且可分离电耦合器（22; 132）的第一部分（26; 38; 148）位于柄体在特征（28; 128）和主轴附接部分（20）之间的部分（21; 121）。还描述了机床（10）和用于改装机床（10）的套件，其包括可分离电耦合器（22; 132）的第二部分（24; 148）。

12. 发明申请

US20090080990A1 Power and/or Signal Paths for a Machine Tool Accessory 有权
标题翻译：机床配件的电源和/或信号路径
公开(公告)号：US20090080990A1
公开(公告)日：2009-03-26
申请号：US11886768
申请日：2006-03-20
申请人： David Roberts McMurtry , Geoffrey McFarland , David Kenneth Thomas
发明人： David Roberts McMurtry , Geoffrey McFarland , David Kenneth Thomas
IPC分类号： B23B51/00
CPC分类号： B23Q1/0009 , Y10T408/907
摘要： A tool shank (18;38;138) is described that comprises a spindle attachment portion (20) that is removably attachable to the rotatable spindle (12) of a machine tool (10), a shank body portion (21;121) which extends beyond the end of the spindle when the tool shank (18;38;138) is attached to the spindle (12) of a machine tool (10) and the first part (26;38;148) of a separable electrical coupling (22;132). The shank body portion comprises a feature (28;128) suitable for engagement with a tool change device (29) and the first part (26;38;148) of the separable electrical coupling (22;132) is located on the shank body portion (21;121) between the feature (28;128) and the spindle attachment portion (20). A machine tool (10), and a kit for retrofitting a machine tool (10), that comprise the second part (24;148) of the separable electrical coupling (22;132) are also described.
摘要翻译：描述了一种工具柄（18; 38; 138），其包括可拆卸地附接到机床（10）的可旋转主轴（12）的主轴附接部分（20），柄主体部分（21; 121）当工具柄（18; 38; 138）连接到机床（10）的主轴（12）并且第一部分（26; 38; 148）连接到可分离的电耦合器 22; 132）。柄主体部分包括适于与换刀装置（29）接合的特征（28; 128），并且可分离电耦合器（22; 132）的第一部分（26; 38; 148）位于柄体在特征（28; 128）和主轴附接部分（20）之间的部分（21; 121）。还描述了机床（10）和用于改装机床（10）的套件，其包括可分离电耦合器（22; 132）的第二部分（24; 148）。

13. 发明申请

US20110316566A1 APPARATUS AND METHOD FOR DIGITISING IMPEDANCE 有权
标题翻译：用于消除阻抗的装置和方法
公开(公告)号：US20110316566A1
公开(公告)日：2011-12-29
申请号：US13203889
申请日：2010-03-01
申请人： David Kenneth Thomas
发明人： David Kenneth Thomas
IPC分类号： G01R27/26
CPC分类号： G01D5/24
摘要： An apparatus for digitising an impedance is provided that comprises a first impedance element having a first impedance that varies with a property to be measured and a second impedance element having a second impedance. The apparatus also includes a drive signal generator for applying a first alternating drive signal to the first impedance element and a second alternating drive signal to the second impedance element. An analogue-to-digital converter, ADC, receives a resultant signal comprising the combination of the signals produced by the application of the first and second alternating drive signals to the first and second impedance elements. The first alternating drive signal is phase shifted relative to the second alternating drive signal such that the resultant signal received and sampled by the ADC sequentially relates to the sum of, and the difference between, the first and second impedances. The apparatus also comprises a signal separator that receives sample values from the ADC and generates a sum channel and a difference channel therefrom.
摘要翻译：提供一种用于数字化阻抗的装置，其包括具有根据要测量的属性而变化的第一阻抗的第一阻抗元件和具有第二阻抗的第二阻抗元件。该装置还包括用于将第一交替驱动信号施加到第一阻抗元件的驱动信号发生器和到第二阻抗元件的第二交替驱动信号。模数转换器ADC接收包括通过将第一和第二交替驱动信号施加到第一和第二阻抗元件而产生的信号的组合的结果信号。第一交替驱动信号相对于第二交替驱动信号相移，使得由ADC接收和采样的合成信号顺序地涉及第一和第二阻抗之和和之差。该装置还包括信号分离器，该信号分离器从ADC接收采样值，并从其产生和通道和差分通道。

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