发明授权
US06459545B1 Use of matte materials to reduce signal pollution in cartridge detection circuitry
有权
使用无光泽材料来减少墨盒检测电路中的信号污染
- 专利标题： Use of matte materials to reduce signal pollution in cartridge detection circuitry
- 专利标题（中）： 使用无光泽材料来减少墨盒检测电路中的信号污染
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申请号： US09524147申请日： 2000-03-14
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公开(公告)号： US06459545B1公开(公告)日： 2002-10-01
- 发明人: Todd L. Graves , Wayne A. Sumner
- 申请人： Todd L. Graves , Wayne A. Sumner
- 主分类号： G11B2303
- IPC分类号： G11B2303
摘要：
A data storage cartridge for a data storage disk drive has a marker including a latent illuminance material such as phosphor. A matte material on the cartridge or within the marker diffusely reflects charging light that is not absorbed by the latent illuminance material in the marker. This reduces noise and signal pollution in the light then emitted by the latent illuminance material. Accordingly, an accurate decay time can be determined. The decay time is checked to provide identification of different types or generations of data storage cartridges or provides a secure keying mechanism for authorized access to proprietary software.
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