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1.发明授权ELEKTROOPTISCHES MESSGERÄT ZUM FESTSTELLEN DER RELATIVLAGE, DIE ZWEI KÖRPER ODER ZWEI OBERFLÄCHENBEREICHE VON KÖRPERN IN BEZUG AUFEINANDER EINNEHMEN 失效电子光学仪器来确定的相对位置，两人全身表面或两个机构的区相对于彼此TAKE
公开(公告)号：EP0894240B1
公开(公告)日：2003-08-27
申请号：EP97901575.7
申请日：1997-01-22
IPC分类号： G01B11/27
CPC分类号： G01B11/272
摘要： The invention relates to an electro-optical measuring device for determining the relative position of two bodies (2, 3) or of surfaces areas of bodies, to each other comprising, in a known manner, a light-beam emitter (4) emitting a focused light beam (L) which can be applied to the one body (3) or surface area, and an opto-electronic position detector having one or several axes and fitted with a light-sensitive measuring surface (5). When the bodies (2, 3) or surface areas are being measured, the light beam (L) impinges on the measuring surface (5) and its point of impingement (LA), in carrying out a measuring movement, moves across the light-sensitive surface (5) in a manner characteristic of the current position the bodies (2, 3) or surface areas have in relation to each other. When the bodies' relative position to each other deviates substantially from a desired target position, it can happen with known measuring devices of this type that, without corrective measures, the point of impingement (LA) of the light beam leaves the measuring surface (5) as the measuring movement continues. According to the invention, this is prevented by means of a device which monitors the measuring movement and enlarges the field of measurement.
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2.发明公开ELEKTROOPTISCHES MESSGERÄT ZUM FESTSTELLEN DER RELATIVLAGE, DIE ZWEI KÖRPER ODER ZWEI OBERFLÄCHENBEREICHE VON KÖRPERN IM BEZUG AUFEINANDER EINNEHMEN 失效电子光学仪器来确定的相对位置，两人全身表面或两个机构的农区相互尊重TAKE
公开(公告)号：EP0894240A1
公开(公告)日：1999-02-03
申请号：EP97901575.0
申请日：1997-01-22
IPC分类号： G01B11
CPC分类号： G01B11/272
摘要： The invention relates to an electro-optical measuring device for determining the relative position of two bodies (2, 3) or of surfaces areas of bodies, to each other comprising, in a known manner, a light-beam emitter (4) emitting a focused light beam (L) which can be applied to the one body (3) or surface area, and an opto-electronic position detector having one or several axes and fitted with a light-sensitive measuring surface (5). When the bodies (2, 3) or surface areas are being measured, the light beam (L) impinges on the measuring surface (5) and its point of impingement (LA), in carrying out a measuring movement, moves across the light-sensitive surface (5) in a manner characteristic of the current position the bodies (2, 3) or surface areas have in relation to each other. When the bodies' relative position to each other deviates substantially from a desired target position, it can happen with known measuring devices of this type that, without corrective measures, the point of impingement (LA) of the light beam leaves the measuring surface (5) as the measuring movement continues. According to the invention, this is prevented by means of a device which monitors the measuring movement and enlarges the field of measurement.
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