发明申请
- 专利标题： ELECTRONIC SHELF LABEL AND ELECTRONIC SHELF LABEL SYSTEM
- 专利标题（中）： 电子书签和电子书签系统
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申请号： US12300757申请日： 2008-01-10
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公开(公告)号： US20090243873A1公开(公告)日： 2009-10-01
- 发明人: Shigemitsu Mizukawa , Hidetaka Kagatsume
- 申请人： Shigemitsu Mizukawa , Hidetaka Kagatsume
- 优先权： JP2007-006092 20070115
- 国际申请： PCT/JP2008/050208 WO 20080110
- 主分类号： G05B19/02
- IPC分类号： G05B19/02
摘要：
It is an object of the present invention to provide techniques which allow for lower power consumption of electronic shelf labels. In order to attain the object, electronic shelf labels according to the present invention are located to respectively correspond to products, and each of the electronic shelf labels displays product data of its corresponding product. Each of the electronic shelf labels repeatedly performs “sleep operations” in which predetermined functions are stopped for a predetermined time period, at given time intervals, and the predetermined time period is extended when non-receipt of data continues for a specified time period.