Integrated thin film transistor electrographic writing head

Details Integrated thin film transistor electrographic writing head Integrated thin film transistor electrographic writing head

1992-04-20

1993-08-17

Fuller, Benjamin R.

Recorders

Electric recording

Electrochemical

346 11, 3461531, 346154, G01D 1506

Patent

active

052373460

ABSTRACT:
An integrated thin film electrographic writing head. The writing head has integrated therein a plurality of marking electrodes or nibs arranged in a linear array for writing onto a medium, and a plurality of high voltage driving circuits for driving the nibs. The write head also includes a plurality of latches each connected to the high voltage driving circuits, a plurality of memory cells each connected to the latches, a plurality of buffers, each buffer supplying a select line to the plurality of memory cells, and a plurality of selection elements, supplying a selection signal to each of the buffers to drive a segment of memory cells. The integrated memory means and latching means allow for simultaneous latching and writing of an entire scanline of data.

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