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Occupant support with a migration sensitive bladder and method for migration detection
专利权人:
Aziz Bhai;Timothy Joseph Receveur;Luke Gibson;Christopher R OKeefe;Charles A Lachenbruch;Rachel Williamson;Christopher R O'Keefe
发明人:
Christopher R O'Keefe,Timothy Joseph Receveur,Aziz Bhai,Luke Gibson,Charles A Lachenbruch,Rachel Williamson,Christopher R OKeefe
申请号:
US13443234
公开号:
US09655795B2
申请日:
2012.04.10
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A method for detecting occupant position change on a support surface includes establishing a rate of change of pressure in a head end test zone and in a foot end test zone, comparing the head end rate to at least one head end rate limit, comparing the foot end rate to at least one foot end rate limit, and inferring, in response to the comparing steps, whether or not occupant migration has occurred. An associated occupant support includes a frame and a mattress. The mattress includes head and foot zones each having at least one pressurizable bladder. The support also includes a controller adapted to compare a head end rate of pressure change to a head end rate limit, to compare a foot end rate of pressure change to a foot end rate limit, and to infer, in response to the comparing steps, whether or not occupant migration has occurred.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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