发明名称 MAP POSITIONING SYSTEM
摘要 A map positioning system is presented. The map positioning system has a rectangular or X-Y drive having a map support surface coupled thereto and receptive to a map. The X-Y drive mechanism is computer controlled to drive an indicator to a definite coordinate relative to the map support thereby illuminating the exact coordinate point when the indicator is energized.
申请公布号 US2001040515(A1) 申请公布日期 2001.11.15
申请号 US19980078120 申请日期 1998.05.13
申请人 PARENT CHRISTOPHER A.;RICHMOND JAMES A.;VOSS JAMES R. 发明人 PARENT CHRISTOPHER A.;RICHMOND JAMES A.;VOSS JAMES R.
分类号 G01C21/20;(IPC1-7):G08G1/123 主分类号 G01C21/20
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