发明申请
US20060123570A1 System for enabling limited time trial products 审中-公开
允许有限时间试用产品的系统

System for enabling limited time trial products
摘要:
A power appliance, such as a power toothbrush, is adapted for limited time trial use, but otherwise has the operational functionality of a conventional long-term use product. The power appliance is responsive to a communication from an enabling device to enable long-term of the appliance following receipt of payment from the user.
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