An apparatus (10) for controlling a drive mechanism of a panel display system includes a rotary member (172) attached to a drive assembly (100), the rotary member having indicators (174) located at known intervals that are detected to ensure that the drive assembly starts and stops at precise locations. In a preferred embodiment, the control system is applied to a panel display system that displays different scenes using an array of elongated three-sided display elements (39). The preferred control system includes an aluminum disk (192) that is attached to rotate in connection with the rotation of the drive assembly.
申请公布号
WO0026889(B1)
申请公布日期
2000.06.15
申请号
WO1999US25242
申请日期
1999.10.26
申请人
PULSE INDUSTRIES CORPORATION
发明人
HAUGHEY, CHARLES, S.;YOUNG, PETER, D.;GELNETT, STEPHEN, A.