Temperature control device and temperature control method, and ink-jet recording apparatus
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United States of America Patent
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Nov 16, 2004
Grant Date -
Jul 17, 2003
app pub date -
Dec 10, 2002
filing date -
Jan 11, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
To provide a temperature control device and a temperature control method, which are capable of applying temperature control with high accuracy to an object of temperature control and facilitating removal of the object of temperature control to reduce cost at the time of replacement, and an ink-jet recording apparatus. The temperature control device is provided with a thermoelectric module 2 adhering an object of temperature control to one surface thereof, driving means 7 for flowing a driving current to the thermoelectric module 2, temperature difference detecting means 8 for obtaining a Seebeck voltage generated from a temperature difference between both the surfaces of the thermoelectric module 2 when the driving current is not flowing and outputting a temperature difference signal, temperature detecting means 5 for obtaining a thermoelectromotive force of the other surface of the thermoelectric module 2 and outputting a temperature detection signal, and control means 9 for controlling the driving means so as to bring the object of temperature control to a target temperature from the temperature detection signal and the temperature difference signal.
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