RADIO DIRECTION-FINDING, LOCATING, DISTANCE OR VELOCITY MEASURING; RADIO NAVIGATION SYSTEMS; ANALOGOUS SYSTEMS EMPLOYING OTHER WAVES (for special applications, see the relevant subclasses, e.g. Fulltext... Hierarchy... Expanded...A61B, Fulltext... Hierarchy... Expanded...G01F, Fulltext... Hierarchy... Expanded...G01N; measuring dimensions or angles of objects Fulltext... Hierarchy... Expanded...G01B; navigation in general Fulltext... Hierarchy... Expanded...G01C; measuring infrasonic, sonic, or ultrasonic vibrations in general Fulltext... Hierarchy... Expanded...G01H; measuring infra-red, visible, or ultra-violet radiation in general Fulltext... Hierarchy... Expanded...G01J; transducers per se, see the relevant subclasses, e.g. Fulltext... Hierarchy... Expanded...G01L, Fulltext... Hierarchy... Expanded...H01L, Fulltext... Hierarchy... Expanded...H04R; measuring direction or velocity of flowing fluids by reception or emission of radiowaves or other waves and based on propagation effects caused in the fluid itself Fulltext... Hierarchy... Expanded...G01P; measuring electric or magnetic variables in general Fulltext... Hierarchy... Expanded...G01R; geophysical applications, detecting masses or objects not involving radar, sonar or analogous methods Fulltext... Hierarchy... Expanded...G01V; aerials Fulltext... Hierarchy... Expanded...H01Q) |