Multiplex addressing using auxiliary pulses

G - Physics – 09 – G

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G09G 3/36 (2006.01)

Patent

CA 2166979

In a three-slot addressing scheme for a liquid crystal optical modulator, where the data waveforms (1, 2) comprise a data section (34), a charge-balancing section (36) and a further section (38), the form of the further section depends upon the sequence of data waveforms. The further section or pair of adjacent further sections comprises a pair of pulses of opposite polarities which charge-balance each other. The order in which these pulses occur in the pair enhances the effect of the adjacent data section to aid or inhibit switching as appropriate. This facilitates a shorter line address time.

Dans un système d'adressage à trois fentes pour un modulateur optique à cristaux liquides dans lequel les formes d'ondes (1, 2) de données comprennent une section de données (34), une section d'équilibrage de charge (36) ainsi que'une troisième section (38), la forme de cette dernière dépend de la séquence de formes d'ondes de données. La troisième section, ou la paire de sections supplémentaires adjacentes comprend une paire d'impulsions de polarités opposées qui s'équilibrent réciproquement en charge. L'ordre selon lequel ces impulsions apparaissent dans la paire renforce l'effet de la section de données adjacente afin de faciliter ou d'inhiber la commutation comme il convient. Ceci permet d'obtenir un intervalle d'adressage de ligne plus court.

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