Using Light Valves, E.g., Liquid Crystals, Etc. [g04g 9/12] Patents (Class 968/962)

Cross-Reference Art Collections

Using multiplexing techniques [g04g 9/12b] (Class 968/963)
Provided with date indication [g04g 9/12c] (Class 968/964)
Provided with means for displaying at will a time indication or a date or a part thereof [g04g 9/12d] (Class 968/965)
Using mechano-optical means [g04g 9/12g] (Class 968/966)

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