345 / | HD | COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS |
156 | DF | DISPLAY PERIPHERAL INTERFACE INPUT DEVICE {8} |
168 | .~ Including keyboard {4} | |
169 | DF | .~.~> Portable (i.e., handheld, calculator, remote controller) |
170 | DF | .~.~> Light source associated with each key |
171 | DF | .~.~> Having foreign language capability (e.g., Japanese, Chinese) |
172 | DF | .~.~> Having programmable function key |