US PATENT SUBCLASS 362 / 187
.~ With movable focusing element


Current as of: June, 1999
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362 /   HD   ILLUMINATION

157  DF  SELF POWERED LAMP {16}
187.~ With movable focusing element {1}
188  DF  .~.~> Movable lamp bulb or lamp bulb support


DEFINITION

Classification: 362/187

(under subclass 157) Subject matter wherein there is at least one optical light modifier which receives light emitted by the light source and wherein the light source, the light source support or the optical modifier is adjustably mounted so that manual adjustment of the light source, light source support or the light modifier will cause a change in the light pattern formed by the light.