树莓派5 16GB版涨至385美元 价格较上市时翻了三倍多
树莓派5 16GB版涨至385美元 价格较上市时翻了三倍多石头科技获专利，自动清洁平台协调湿擦、升降与供液
11月6日，石头科技（688169）的发明专利《一种自动清洁设备》获授权，申请号为CN202110483998.5。
移动平台一边行走，一边通过湿式组件清洁所经过的表面。专利把湿擦组件、带动它上下移动的机构和供给清洁液的组件放在同一套驱动安排中，并设置两组驱动部件。这样，要控制的不仅是机器走到哪里，还包括擦拭部件相对平台的位置，以及清洁液如何送到工作部位。技术焦点是各机构在一个移动设备中配合工作。
截至此次授权消息披露时，石头科技今年获得的各类专利授权共314项，比上年同期减少16.49%。在2026年上半年，公司研发投入为7.2亿元，同比增长5.11%。企业知识产权记录中，北京石头世纪科技股份有限公司名下可查到2371条专利信息和67条著作权信息。
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