US PATENT SUBCLASS 374 / 161
.~.~ Change of optical property
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
     
Terms of Use
374 /
HD
THERMAL MEASURING AND TESTING
100
DF
TEMPERATURE MEASUREMENT (E.G., THERMOMETER)
{13}
159
DF
.~ Nonelectrical, nonmagnetic, or nonmechanical temperature responsive property {2}
161
.~.~ Change of optical property {1}
162
DF
.~.~.~
> Color
DEFINITION
Classification: 374/161
Change of optical property:
(under subclass 159) Subject matter wherein the radiation transmission or reflection of the sensor changes.
(1) Note. Such a property would be translucence or polarization.