Electro-optical device having a ratio controlling means for prov

Details Electro-optical device having a ratio controlling means for prov Electro-optical device having a ratio controlling means for prov

1992-02-18

1993-04-06

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 51, 359 59, 340784, G02F 113

Patent

active

052008460

ABSTRACT:
An electro-optical device comprising a display drive system with the display timing related to the unit time t for writing-in a picture element and to the time F for writing-in one picture is disclosed. In the device, a gradated display corresponding to the ratio of the division can be obtained by time-sharing the signal during a write-in of time t without changing the time F.

REFERENCES:
patent: 3955187 (1976-05-01), Bigelow
patent: 4427978 (1984-01-01), Williams
patent: 4742346 (1988-05-01), Gillette et al.
patent: 4818981 (1989-04-01), Oki et al.
patent: 4841294 (1989-06-01), Clerc
patent: 5091722 (1992-02-01), Kitajima et al.

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