US PATENT SUBCLASS 324 / 97
.~.~ Light beam type (e.g., mirror galvanometer, parallax-free scale)

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

76.11  DF  MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE {46}
96  DF  .~ Using radiant energy {1}
97.~.~ Light beam type (e.g., mirror galvanometer, parallax-free scale)

DEFINITION

Classification: 324/97

(under subclass 96) Subject matter having means to direct the radiant energy in beams.

(1) Note. This subclass includes, for example, reflection galvanometers of the mirror type and pointer instruments having optical means to project an enlarged image of the pointer onto a scale.

SEE OR SEARCH THIS CLASS, SUBCLASS:

154, for rotors that are mounted on filar suspensions.