专利名称：Focud Sound Safety Warning System
发明人：George Toth
申请号：US11163971
申请日：20051104
汽车档位图公开号：US20070102591A1
倾其所有公开日：
我身边的
20070510
粘人的猫排名
专利内容由知识产权出版社提供如歌岁月
上海大观园专利附图：
英语就近原则摘要：A warning system for interctions, particularly tho involving a railway欧美歌星
crossing is provided. The prent invention compris a triggering mechanism to identify when a target train or vehicle is approaching a target interction, software to calculate the speed of the target vehicle or train in relation to the target interction and further
comprising sound emission features to emit a desired sound, and an acoustic beam emitter to focus a warning sound in the direction of and local to only the danger zone. Also provided is a supplementary system to provide a warning to pedestrian crossing predetermined danger points.
申请人：George Toth
地址：Arlington Heights IL 60004 US
国籍：US
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