Pyroelectric thermal sensor

Details Pyroelectric thermal sensor Pyroelectric thermal sensor

1986-11-05

1988-05-03

Cuchlinski, Jr., William A.

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

374128, 374121, 356 43, G01J 562

Patent

active

047416262

ABSTRACT:
A pyroelectric thermal sensor for measuring the surface temperature of an object on a non-contact basis using the signals produced by a pyroelectric element and a reference thermal sensor is operative to reduce the level of the output signal from the pyroelectric element proportionally by switching an interruptive time for interrupting a heat ray incident to the pyroelectric element when the output of an amplifier for amplifying the pyroelectric element signal approaches the state of saturation.

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