Refrigeration – Structural installation – With electrical component cooling
Reexamination Certificate
2006-07-14
2011-10-25
Denion, Thomas (Department: 3748)
Refrigeration
Structural installation
With electrical component cooling
C062S003700, C062S104000, C361S688000
Reexamination Certificate
active
08042350
ABSTRACT:
A cooling device controller for controlling a cooling device is provided. The cooling device controller includes: a capacitor for supplying an output voltage through a first terminal; a first switch between a first input terminal and the first terminal of the capacitor; a predetermined reference voltage applied to the first input terminal; a second switch between a second input terminal and the first terminal of the capacitor, wherein a temperature-sensing voltage is applied to the second input terminal, the temperature-sensing voltage varying according to a first sensed temperature; and a switch controller to receive a first voltage waveform having a duty ratio, the duty ratio dependent on a second sensed temperature, wherein the switch controller is operable to turn on and off the first switch and the second switch according to the duty ratio.
REFERENCES:
patent: 4610142 (1986-09-01), Davis
patent: 5281026 (1994-01-01), Bartilson et al.
patent: 6978624 (2005-12-01), Carlson et al.
patent: 2003/0071595 (2003-04-01), Cho et al.
patent: 2006/0268473 (2006-11-01), Kemper
Cho Hyun-Min
Park Young-Bae
Carton Michael
Denion Thomas
Fairchild Korea Semiconductor Ltd.
Sidley Austin LLP
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