Recorders – Record receiver deforming
Patent
1985-04-12
1987-01-13
Arnold, Bruce Y.
Recorders
Record receiver deforming
346160, G02F 103, G01D 1514
Patent
active
046360395
ABSTRACT:
Additional control in a differentially-encoded printer utilizing an electro-optic element is achieved by normalizing or equalizing the strength of the fringe fields. Such normalization is provided by applying analog voltages to the adjacent electrodes in addition to the encoded data sample voltages. Specifically, normalization of the strength of the fringe fields is achieved by characterizing the interaction between each adjacent pair of electrodes by measuring the efficiency amplitude of the fringe field caused by each adjacent pair of electrodes when a test voltage is applied to alternate electrodes and converting efficiency amplitude to an analog voltage for each electrode by a transfer function plotting efficiency amplitude versus voltage, storing the analog voltage for each electrode and adding the analog voltage for each electrode to the data sample voltage for that electrode to provide at the electrodes a full set of voltage differences that will provide normalization of the strength of the fringe fields associated with one complete data scan line.
REFERENCES:
patent: 4370029 (1983-01-01), Sprague et al.
patent: 4450459 (1984-05-01), Turner et al.
patent: 4482215 (1984-11-01), Sprague et al.
patent: 4538883 (1985-09-01), Sprague et al.
Arnold Bruce Y.
Xerox Corporation
Zalman Leonard
LandOfFree
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