| 347 / | HD | INCREMENTAL PRINTING OF SYMBOLIC INFORMATION |
| 224 | DF | LIGHT OR BEAM MARKING APPARATUS OR PROCESSES {2} |
| 225 | DF | .~ Scan of light {12} |
| 226 | ![]() | .~.~ Cathode ray device {5} |
| 227 | DF | .~.~.~> With record receiver in an evacuated enclosure |
| 228 | DF | .~.~.~> Having developing means |
| 229 | DF | .~.~.~> Synchronization of light with record receiver |
| 230 | DF | .~.~.~> Having optical means interposed between the screen of the cathode ray device and the record receiver |
| 231 | DF | .~.~.~> Having deflecting means |