发明名称 Magnetic compass assembly
摘要 A compass assembly having an adjustable sighting element whereby the line of sight may be set to meet individual requirements. The assembly is constituted by a transparent compass capsule having a magnetic needle therein which is movable relative to a compass scale. The capsule is detachably received in a casing having a depression formed in the bottom thereof to accommodate a sighting element which is adjustable to assume a selected angular position, the line of sight and its orientation relative to said compass scale being viewable through said capsule.
申请公布号 US3919782(A) 申请公布日期 1975.11.18
申请号 US19740457557 申请日期 1974.04.03
申请人 RECTA MANUFACTURE D'HORLOGERIE S.A. 发明人 VAUCHER, DENIS MAURICE
分类号 G01C17/00;G01C17/12;(IPC1-7):G01C17/10 主分类号 G01C17/00
代理机构 代理人
主权项
地址