A system and process enable a device to adjust the duration of various power modes based on usage of the device. The process includes operating a device at a fully operational power level, counting a first wait time, modifying a first wait time modifier in response to detection of image generating device use prior to expiration of the first wait time, and reducing power consumption from the fully operational level to a low power level in response to expiration of the first wait time.

 
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< Use of modular roots to perform authentication including, but not limited to, authentication of validity of digital certificates

< Trust model for a database management system supporting multiple authorization domains

> Method and system for hiding sensitive data in an electronic spreadsheet environment

> Table of contents extraction with improved robustness

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