Method an apparatus for adjusting the time of a clock if it...

Details Method an apparatus for adjusting the time of a clock if it... Method an apparatus for adjusting the time of a clock if it...

2007-09-04

2007-09-04

Lee, Thomas (Department: 2115)

Electrical computers and digital processing systems: support

Clock, pulse, or timing signal generation or analysis

C726S021000, C726S026000, C726S027000

Reexamination Certificate

active

10869460

ABSTRACT:
A free-running secure clock in a computing device that is adjustable by a user of the device so long as cumulative adjustments do not exceed a predicted clock drift. The clock may be initially set by the user or by a trusted time authority or the like. Such a clock may be required in a trust-based system that measures a temporal requirement against the clock.

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Cohen, Josh, Microsoft Corporation, “A General Overview of Two New Technologies for Playing Protected Content on Portable or Networked Devices,” Jun. 2004.

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