US PATENT SUBCLASS 356 / 3
RANGE OR REMOTE DISTANCE FINDING

Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

3RANGE OR REMOTE DISTANCE FINDING {9}
3.01  DF  .~> Triangulation ranging to a point with one projected beam {3}
3.1  DF  .~> Triangulation ranging to a point with two or more projected beams {2}
3.13  DF  .~> Triangulation ranging with photodetection, but with no projected beam {1}
4.01  DF  .~> With photodetection {11}
6  DF  .~> Instrument condition testing or indicating
7  DF  .~> Periscope or offset type
8  DF  .~> With view finder
9  DF  .~> Base line instrument (i.e., base is a part of instrument) {8}
20  DF  .~> External basis type {1}

DEFINITION

Classification: 356/3

RANGE OR REMOTE DISTANCE FINDING:

(under the class definition) Subject matter comprising instruments to measure the distance between an observer and a remote point or to measure the distance between two points remote from the observer.

(1) Note. Height is a distance that may be measured.

SEE OR SEARCH THIS CLASS, SUBCLASS:

355, through 358, for interferometric dimensional measurement of small structures or spaces.

SEE OR SEARCH CLASS

235, Registers,

414, for means to calculate the range of a target and not employing a particular sighting means.

348, Television, 135+, for television systems utilized to determine range.

396, Photography,

89+, for range finders which operate in conjunction with camera structure.