Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-11-20
2010-02-02
Trieu, Van T. (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S629000, C340S632000
Reexamination Certificate
active
07656302
ABSTRACT:
A sensing chamber promotes an inflow of ambient atmosphere by establishing an internal temperature gradiant. A closed loop control system can be provided to maintain the gradiant.
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Trieu Van T.
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