US PATENT SUBCLASS 348 / 82
.~ Hazardous or inaccessible


Current as of: June, 1999
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348 /   HD   TELEVISION

61  DF  SPECIAL APPLICATIONS {15}
82.~ Hazardous or inaccessible {3}
83  DF  .~.~> Furnace (e.g., nuclear reactor, etc.)
84  DF  .~.~> Pipeline
85  DF  .~.~> Borehole


DEFINITION

Classification: 348/82

Hazardous or inaccessible:

(under subclass 61) Subject matter wherein a picture signal generator is enclosed in or provided with structure to permit its use in environments of extreme heat or radiation or where access is not possible by humans or an ordinary television system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

65+, for picture signal generators employed in endoscopes.

81, for picture signal generators used in underwater environments.

SEE OR SEARCH CLASS

138, Pipes and Tubular Conduits,

97, for apparatus to locate and repair cracks in pipes that may utilize television.

356, Optics: Measuring and Testing, 241.1+, for bore inspection utilizing optical elements.