Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2011-07-19
2011-07-19
Lee, Benjamin C (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S573200, C340S573300, C340S573400, C340S575000, C340S576000, C600S300000, C600S301000, C600S508000, C600S509000
Reexamination Certificate
active
07982618
ABSTRACT:
A wakefulness maintaining apparatus includes an event detecting part, a drowsiness level determining part, a threshold setting part, and a stimulus supplying part. The event detecting part detects an event related to a drowsiness of a person. The drowsiness level determining part determines a drowsiness level that changes in accordance with a strength of the drowsiness. The threshold setting part sets a threshold value to divide the drowsiness level into a first level range and a second level range in such a manner that the first level range is equal to or lower than the threshold value and the second level range is higher than the threshold value. The stimulus supplying part supplies a stimulus having an awaking effect to the person when the drowsiness level is in the second level range and the event is detected.
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Nagai Fumiya
Omi Takuhiro
Denso Corporation
Lee Benjamin C
Pham Lam P
Posz Law Group , PLC
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