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1. 发明授权

US3698630A Insurance calculator 失效
标题翻译：保险计算器
公开(公告)号：US3698630A
公开(公告)日：1972-10-17
申请号：US3698630D
申请日：1970-12-16
申请人： METROPOLITAN LIFE INSURANCE CO
发明人： DICK GEORGE W , DIAMOND NORMAN
IPC分类号： G06G1/14 , G06G1/08
CPC分类号： G06G1/14
摘要： The calculator comprises a circular background disc having a logarithmic premium scale, and a foreground disc rotatable on the background disc and having a logarithmic amount of insurance scale adapted to cooperate with the premium scale. The background disc also has one or more concentric linear age scales observable through windows in the foreground disc. The foreground disc carries index lines cooperating with the age scales. Each age scale corresponds to a different plan of insurance. A sector shaped cursor is pivotally connected to the center of the background and foreground discs and is provided on its periphery with a period of time scale which cooperates with the premium scale to indicate the amount of premium required for selected time periods. For more complex combinations of types of insurance, which consist essentially of a first amount of one type of insurance and a second amount of another type, with their corresponding premiums, the background scale is provided with a family of nonradial age curves which are viewable through a window on the foreground disc. The window has a radial line calibrated in terms of percentage, to indicate the percentage of the total insurance which must be carried in one particular type of insurance. The cursor also has on its periphery a percentage scale which cooperates with the amount of insurance scale to show the value of the percentage read off the radial line.

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