| 968 / | HD | HOROLOGY |
|
| 925 | DD | VISUAL TIME- OR DATE-INDICATION MEANS [G04G 9/00] {9} |
| 954 | DD | .~ By building up characters using a combination of indicating elements, e.g., by using multiplexing techniques, etc. [G04G 9/08] {5} |
| 962 |  | .~.~ Using light valves, e.g., liquid crystals, etc. [G04G 9/12] {4} |
| 963 | DD | .~.~.~> Using multiplexing techniques [G04G 9/12B] |
| 964 | DD | .~.~.~> Provided with date indication [G04G 9/12C] |
| 965 | DD | .~.~.~> Provided with means for displaying at will a time indication or a date or a part thereof [G04G 9/12D] |
| 966 | DD | .~.~.~> Using mechano-optical means [G04G 9/12G] |