| Patent Number |
Title Of Patent |
Date Issued |
| 5337080 |
Amorphous silicon electrographic writing head assembly with protective cover |
August 9, 1994 |
| An amorphous silicon electrographic writing head assembly which reduces the voltage drift in the high voltage driving transistor. The writing head including a substrate having a first surface and a second surface, the first surface having thin film elements fabricated thereon, the first |
| 5237346 |
Integrated thin film transistor electrographic writing head |
August 17, 1993 |
| 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 |
| 4766450 |
Charging deposition control in electrographic thin film writting head |
August 23, 1988 |
| An improved electrographic writing head having electrode nibs for forming discrete electrostatic charges on a recording medium moved in a plane in contact with the nib ends in the head wherein the improvement comprises the employment of an impedance formed in the electrode nibs at or in |
| 4466020 |
Integrated imaging bar |
August 14, 1984 |
| An integrated image bar comprises an array of photosensitive reading elements and an array of associated marking elements, one for each reading element. Each reading element is linked to its associated marking element by means of an integrated circuit which comprises a plurality of thin |
