发明授权
- 专利标题： Motorized barrier operator system utilizing multiple photo-eye safety system and methods for installing and using the same
- 专利标题（中）： 使用多个光眼安全系统的电动屏障操作系统及其安装和使用方法
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申请号： US10860439申请日： 2004-06-03
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公开(公告)号： US07228883B1公开(公告)日： 2007-06-12
- 发明人: James S Murray
- 申请人： James S Murray
- 申请人地址： US OH Mt. Hope
- 专利权人： Wayne-Dalton Corp.
- 当前专利权人： Wayne-Dalton Corp.
- 当前专利权人地址： US OH Mt. Hope
- 代理机构： Renner Kenner Greive Bobak Taylor & Weber
- 主分类号： E05D15/00
- IPC分类号： E05D15/00 ; E05F15/00 ; H02P1/04
摘要：
A movable barrier operator system includes a motorized operator which moves a barrier between limit positions, and a photo-electric safety system connected to the motorized operator. The photo-electric safety system monitors for obstructions at more than one height along the barrier's path between limit positions. This is done by installing a supplemental photo-electric safety system to work in conjunction with a pre-existing photo-electric safety system connected to the motorized barrier operator.
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