(under subclass 18) Subject matter including a cathode-ray tube for illuminating the original to be copied.
(1) Note. This subclass provides for a copier with a cathode-ray tube for illumination. Class 386, Television Signal Processing for Dynamic Recording or Reproducing, subclasses 30, 42+, and 130 provide for photos:graphic television recording or reproducing apparatus having cathode-ray tube. Class 396, Photography, subclasses 429+ provide for a nominal or broadly recited cathode-ray tube upon which a television image of an original is formed and then photographed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
81, for contact printing with scanning for contrast control.
