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1. 发明公开

EP1740979A4 RF PROBE APPARATUS FOR NMR CHECK WEIGHING SYSTEM 审中-公开
标题翻译： HF-SONDENVORRICHTUNGFÜREIN NMR-PRÜFWÄGESYSTEM
公开(公告)号：EP1740979A4
公开(公告)日：2007-10-17
申请号：EP04756360
申请日：2004-06-30
申请人： BOC GROUP INC
发明人： APTAKER PETER , SELWAY ROBERT , HENDRICKX PAULUS C J M , CORVER JOZEF A W M , BONS VINCENT
IPC分类号： G01V3/00 , G01R33/34 , G01R33/44
CPC分类号： G01R33/34046 , G01N24/085
摘要： A radio frequency (RF) probe for a nuclear magnetic resonance check weighing system produces uniform magnetic field at the center of RF probe , has minimal sensitivity to electrical interference from external sources, shapes the magnetic field to minimize cross coupling from packages such as drug vials not under test, and presents minimal airflow obstruction. RF probe includes a coil with a plurality of conductive loops having a rectangular cross section carried inside two opposing, rectangular cross section housings , respectively. Housings are spaced apart and in parallel, creating an 'open probe' configuration permitting a conveyor belt carrying vials whose contents are to be checked to pass between housings, and allows airflow surrounding the vials and conveyor belt to pass substantially without obstruction. Conductive loops and the housings carrying them may be placed such that the longitudinal axis of coil is oriented in either horizontal or vertical spatial relation with conveyor belt.
摘要翻译：用于核磁共振检查称重系统的射频（RF）探头在RF探头中心处产生均匀的磁场，对来自外部电源的电干扰的灵敏度最低，对磁场进行整形以最小化来自包装例如药瓶的交叉耦合不在测试中，并且呈现最小的气流阻塞。 RF探针包括具有多个导电回路的线圈，所述导电回路具有分别在两个相对的矩形横截面壳体内携带的矩形横截面。壳体间隔开并且平行，形成“开放式探针”配置，允许承载待检查内容物的小瓶的传送带在壳体之间通过，并且允许小瓶和传送带周围的气流基本上没有阻塞地通过。导电环和承载它们的外壳可以放置成使得线圈的纵向轴线与传送带以水平或垂直空间关系取向。

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