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专利名称：Renewing an Expired Licen英语口语提升
发明人：Kedarnath A. Dubhashi,Kenneth S. Reneris
申请号：US12021281
公共英语培训班申请日：20080128
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公开号：US20090192943A1
公开日：
20090730
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专利附图：
摘要：This document describes tools capable of renewing an expired licen to
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ncf是什么意思entertainment content. The tools, in some embodiments, may repeatedly renew a licen using very little resources, such as by forgoing retention of the licen, encryption keys,or the entertainment content between renewals. The tools, for example, may provide a
time fileslicen to a particular content receiver (e.g., a laptop computer), and, when that licen expires, renew the licen with as little as a single retained cret. By so doing the tools enable, among other things, fewer computing resources to be ud in renewing a licen while maintaining the curity of that licen's entertainment content.
申请人：Kedarnath A. Dubhashi,Kenneth S. Reneris
地址：Redmond WA US,Bellevue WA US
国籍：US,US
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