Differential encoding for fringe field responsive electro-optic

Details Differential encoding for fringe field responsive electro-optic Differential encoding for fringe field responsive electro-optic

1980-09-17

1984-05-22

Tarcza, Thomas H.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

346108, 350356, G01D 1514

Patent

active

044504594

ABSTRACT:
The input data samples for a fringe field responsive electro-optic line printer are differentially encoded, thereby reducing the number of electrodes such a printer requires to achieve a given resolution by a factor of just less than two. The sample-to-sample voltage drops of the differentially encoded data correspond to the magnitudes of the input samples and, therefore, the fringe fields produced when the encoded samples are applied to the electrodes of such a line printer cause the incident light beam to be spatially modulated in accordance with the input samples.

REFERENCES:
patent: 4281904 (1981-04-01), Sprague et al.
Integrated Electro-Optic Modulator Arrays, Waterworth et al., Opto-Electronics, vol. 4, Apr. 21, 1972, pp. 339-340.
PLZT Spatial Light Modulator for a I-D Hologram Memory, Ueno et al., Applied Optics, vol. 19, Jan. 1, 1980, pp. 164-172.

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