.~ Radiation beam modification of or by storage medium {20}
112
.~.~ With particular imaging element
DEFINITION
Classification: 369/112
With particular imaging element:
(under subclass 100) Subject matter including an element modifying the direction of the radiant energy beam and capable of focussing the beam to form an image.
(1) Note. The image is generally of the beam source or of the storage medium.
(2) Note. Planar mirrors are not classifiable herein.