US PATENT SUBCLASS 968 / 950
.~.~ Using light valves, e.g., liquid crystals, etc. [G04G 9/06]


Current as of: June, 1999
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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.~.~ Using light valves, e.g., liquid crystals, etc. [G04G 9/06] {3}
951  DD  .~.~.~> Using multiplexing techniques [G04G 9/06B]
952  DD  .~.~.~> Using a drop of liquid suspended by capillary forces and moved by an electric field [G04G 9/06F]
953  DD  .~.~.~> Using mechano-optical means [G04G 9/06G]