US PATENT SUBCLASS 968 / 942-- .~ 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]

US PATENT SUBCLASS 968 / 942
.~ 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]

968 /	HD	HOROLOGY

925	DD	VISUAL TIME- OR DATE-INDICATION MEANS [G04G 9/00] {9}
942		.~ 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}
943	DD	.~.~> Using multiplexing techniques [G04G 9/02B]
944	DD	.~.~> Provided with date indication [G04G 9/02C]
945	DD	.~.~> Provided with means for displaying at will a time indication or a date or a part thereof [G04G 9/02D]
946	DD	.~.~> By controlling light sources, e.g., electroluminescent diodes, etc. (subclass 935 takes precedence) [G04G 9/04] {3}
950	DD	.~.~> Using light valves, e.g., liquid crystals, etc. [G04G 9/06] {3}