| 968 / | HD | HOROLOGY |
|
| 925 |  | VISUAL TIME- OR DATE-INDICATION MEANS [G04G 9/00] {9} |
| 926 | DD | .~> Transmission of control signals [G04G 9/00] {1} |
| 928 | DD | .~> In which the light emitting display elements may be activated at will or are controlled in accordance with the ambient light [G04G 9/00C] |
| 929 | DD | .~> By light valves in general (subclasses 950 and 962 take precedence; electro-, magneto-, or acoustic-optic devices in general G02F 1/00) [G04G 9/00D] {1} |
| 935 | DD | .~> Using a cathode-ray tube as display device (displaying supplementary information, such as, time on TV screen H04N 5/445) [G04G 9/00E] |
| 936 | DD | .~> In which functions not related to time can be displayed (digital output to display devices of digital computers G06F 3/14) [G04G 9/00F] {1} |
| 938 | DD | .~> In which the time in another time zone or in another city can be displayed at will [G04G 9/00G] |
| 939 | DD | .~> By building up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represent the time (this subclass is a combination of subclasses 942 and 954) [G04G 9/00H] {2} |
| 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} |
| 954 | DD | .~> By building up characters using a combination of indicating elements, e.g., by using multiplexing techniques, etc. [G04G 9/08] {5} |