US PATENT SUBCLASS 702 / 191
.~.~.~ For noise removal or suppression

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


702 /   HD   DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING

127  DF  MEASUREMENT SYSTEM {15}
189  DF  .~ Measured signal processing {3}
190  DF  .~.~ Signal extraction or separation (e.g., filtering) {2}
191.~.~.~ For noise removal or suppression {2}
193  DF  .~.~.~.~> By threshold comparison
194  DF  .~.~.~.~> By mathematical attenuation (e.g., weighting, averaging) {1}

DEFINITION

Classification: 702/191

For noise removal or suppression:

(under subclass 190) Subject matter comprising means for eliminating or reducing a distortion signal contained in the incoming input signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

17, for filtering or noise reduction in a seismic prospecting system.

69, for an electrical signal measuring system for measuring distortion or signal to noise ratio without means for treating the noise signal.

111, for a testing system having noise signal stimulus.