US PATENT SUBCLASS 342 / 118
DETERMINING DISTANCE

Current as of: June, 1999
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342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

118DETERMINING DISTANCE {11}
119  DF  .~> Miss distance indicator (MDI)
120  DF  .~> Altimeter {2}
123  DF  .~> Height finder
124  DF  .~> Material level within container
125  DF  .~> With remote cooperating station
126  DF  .~> Triangulation
127  DF  .~> Phase comparison
128  DF  .~> With frequency modulation {3}
134  DF  .~> With pulse modulation {4}
145  DF  .~> With correlation
146  DF  .~> Combined with determining direction

DEFINITION

Classification: 342/118

DETERMINING DISTANCE:

(under the class definition) Subject matter wherein a returned radar signal is used to measure the range of an object from a reference point.

SEE OR SEARCH THIS CLASS, SUBCLASS:

458, for directive radio wave communication distance determination apparatus.

SEE OR SEARCH CLASS

356, Optics: Measuring and Testing,

3+, for range finding using visible radiation signals.

702, Data Processing: Measuring, Calibrating, or Testing,

158+, for linear distance or length determination, and subclasses 163+ for rotary distance or length determination.