US Patent 7898426 Alertness estimator
Patent 7898426 was granted and assigned to Toyota Motor Engineering & Manufacturing North America on March, 2011 by the United States Patent and Trademark Office.
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Patent abstract
Example apparatus and methods for estimating a living being's alertness include modeling the sleep-wake cycle using a function generator circuit to model the circadian component, and one or more analog circuits to model the homeostatic and inertial components. In some embodiments of the present invention, temporal scaling is used for more rapid modeling, for example using time periods of seconds or less to represent an hour of the sleep-wake cycle.
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US Patent 07898426 Alertness estimator US Patent 7898426 Alertness estimator
Infobox
Patent Number
0789842600
Patent Number
789842600
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
078984260
Date of Patent
March 1, 2011
0Patent Application Number
122430550
Date Filed
October 1, 2008
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078984260
Date of Patent
March 1, 2011
0Patent Application Number
122430550
Date Filed
October 1, 2008
0Official Website
Patent Primary Examiner
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US Patent 07898426 Alertness estimator
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07898426
Date of patent
March 1, 2011
Patent application number
12243055
Date Filed
October 1, 2008
Patent primary examiner
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