Analytical device with temperature control system

Electric heating – Heating devices – With power supply and voltage or current regulation or...

Reexamination Certificate

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Details

C219S497000

Reexamination Certificate

active

07060946

ABSTRACT:
An analytical device includes a heat output portion for heating an interior of a housing with which an analyzing portion is surrounded; a first temperature sensor for measuring a temperature of the analyzing portion; a second temperature sensor for measuring a temperature of an interior of the housing; and a control portion. The control portion determines a setting value of the temperature in the housing according to a transfer function of a PID control based on a difference between a preset temperature of the analyzing portion and the temperature measured by the first temperature sensor. Further, the control portion determines an output value of the heat output portion according to a transfer function of PID control based on a difference between the setting value of the temperature in the housing and the temperature measured by the second temperature sensor.

REFERENCES:
patent: 5875416 (1999-02-01), Kanno
patent: 6911628 (2005-06-01), Hirayama
patent: 6951998 (2005-10-01), Nanno et al.
patent: 200417055 (2004-06-01), None

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