US PATENT SUBCLASS 348 / 165
.~.~ Pyroelectric

Current as of: June, 1999
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162  DF  RESPONSIVE TO NONVISIBLE ENERGY {2}
164  DF  .~ Infrared {3}
165.~.~ Pyroelectric

DEFINITION

Classification: 348/165

Pyroelectric:

(under subclass 164) Subject matter wherein an image is generated in response to a change of temperature of incremental pixel areas.