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1. 发明公开

EP0212406A3 Absolute linear position detection device 失效
标题翻译：绝对线性位置检测装置
公开(公告)号：EP0212406A3
公开(公告)日：1989-04-19
申请号：EP86110717.5
申请日：1986-08-02
申请人： Kabushiki Kaisha S.G.
发明人： Wataru, Ichikawa , Yuji, Matsuki
IPC分类号： H03M1/22
CPC分类号： F15B15/2861 , F15B15/2846 , H03M1/287
摘要： A first pattern (3a) which repeats change in the longitudinal direction with a predetermined pitch and a second pattern (3b) which changes in the longitudinal direction with a pitch which is different at least from that of the first pattern, both formed of a predetermined material, are disposed on a surface of a rod section (3). A detection head section (1,2) is porvided in proximity to the rod section, responds individually to the first pattern and the second pattern, changes its relation of correspondence to the repsective patterns in accordance with it linear position with respect to the rod section and produces output signals in accordance with the relation of correspondence to the respective patterns. In accordance with the output signals corresponding to the respective patterns, first and second absolute position data of different ranges whose one cycle is constituted of one pitch of the respective patterns can be obtained. By combining these absolute position data, linear position of the detection head section with respect to the rod section can be specified in an absolute value. By disposing the first and second patterns in a mixed state on a single rod section, the construction of the device can be simplified.

2. 发明授权

EP0212406B1 Absolute linear position detection device 失效
标题翻译：绝对线性位置检测装置
公开(公告)号：EP0212406B1
公开(公告)日：1991-10-16
申请号：EP86110717.5
申请日：1986-08-02
申请人： Kabushiki Kaisha S.G.
发明人： Wataru, Ichikawa , Yuji, Matsuki
IPC分类号： H03M1/22
CPC分类号： F15B15/2861 , F15B15/2846 , H03M1/287

3. 发明公开

EP0212406A2 Absolute linear position detection device 失效
标题翻译：的绝对线性位置检测。
公开(公告)号：EP0212406A2
公开(公告)日：1987-03-04
申请号：EP86110717.5
申请日：1986-08-02
申请人： Kabushiki Kaisha S.G.
发明人： Wataru, Ichikawa , Yuji, Matsuki
IPC分类号： H03M1/22
CPC分类号： F15B15/2861 , F15B15/2846 , H03M1/287
摘要： A first pattern (3a) which repeats change in the longitudinal direction with a predetermined pitch and a second pattern (3b) which changes in the longitudinal direction with a pitch which is different at least from that of the first pattern, both formed of a predetermined material, are disposed on a surface of a rod section (3). A detection head section (1,2) is porvided in proximity to the rod section, responds individually to the first pattern and the second pattern, changes its relation of correspondence to the repsective patterns in accordance with it linear position with respect to the rod section and produces output signals in accordance with the relation of correspondence to the respective patterns. In accordance with the output signals corresponding to the respective patterns, first and second absolute position data of different ranges whose one cycle is constituted of one pitch of the respective patterns can be obtained. By combining these absolute position data, linear position of the detection head section with respect to the rod section can be specified in an absolute value. By disposing the first and second patterns in a mixed state on a single rod section, the construction of the device can be simplified.

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