专利名称：METHODS AND DEVICES IN AN OPTICAL
SYSTEM
发明人：ROSENQVIST, Anders申请号：EP00953611.1申请日：20000810公开号：EP1210634A2公开日：20020605
摘要：A method and device for automatic focusing in an optical system is provided. Astructure having a periphery is reproduced by an objective and an electronic
representation of the structure reproduced by the objective is generated. The intensityvariation at the periphery of the structure is analyzed in the electronic representation. Anapplication focus value, indicating how the current focus position of the objective isrelated to an optimal focus position for an application, is determined using the intensityvariation. The application focus value indicates whether the current focus position of theobjective is above or below the optimal focus position and how far away the current focusposition of the objective is from the optimal focus position.
申请人：Cellavision AB
地址：Forskningsbyn Ideon 223 70 Lund SE
国籍：SE
代理机构：Perklev, Karin Cecilia
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