| 968 / | HD | HOROLOGY |
| 925 | DD | VISUAL TIME- OR DATE-INDICATION MEANS [G04G 9/00] {9} |
| 942 | DD | .~ By selecting desired character out of a number of characters or by selecting indicating elements the position of which represent the time, e.g., by using multiplexing techniques, etc. [G04G 9/02] {5} |
| 950 | DD | .~.~ Using light valves, e.g., liquid crystals, etc. [G04G 9/06] {3} |
| 952 | | .~.~.~ Using a drop of liquid suspended by capillary forces and moved by an electric field [G04G 9/06F] |