US PATENT SUBCLASS 348 / 164
.~ Infrared

Current as of: June, 1999
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348 /   HD   TELEVISION

162  DF  RESPONSIVE TO NONVISIBLE ENERGY {2}
164.~ Infrared {3}
165  DF  .~.~> Pyroelectric
166  DF  .~.~> With linear array {1}
168  DF  .~.~> With rotating reflector

DEFINITION

Classification: 348/164

Infrared:

(under subclass 162) Subject matter wherein energy is infrared radiation.

SEE OR SEARCH CLASS

250, Radiant Energy,

330+, for infrared to visible imaging and subclasses 338.1+ for infrared responsive devices.

374, Thermal Measuring and Testing,

124, for similar subject matter for providing the spatial distribution of temperature by measuring thermally emitted radiant energy.