Steven J. Fleck;Joshua J. Hill;Michael T. McElhinny
发明人:
Michael T. McElhinny,Steven J. Fleck,Joshua J. Hill
申请号：
US13157948
公开号：
US08994358B2
申请日:
2011.06.10
申请国别(地区):
US
年份:
2015
代理人:
摘要：
In accordance with the teachings described herein, systems and methods are provided for counting sharps returned to a container. An example method of counting sharps returned to a container having at least two layers of penetrable conductive material includes periodically checking a plurality of circuits formed by the first and second layers of material to determine if each circuit is open or closed, and keeping a count of the number of closed circuits.
