Electrographic process
Abstract
Abstract AN EXPOSED PHOTOCONDUCTIVE SHEET IS CONTACTED WITH CONDUCTIVE DEVELOPER POWDER APPLIED FROM A CONDUCTIVE SURFACE TO WHICH IT IS ADHERED WHILE CREATING A DIFFERENTIAL ELECTRICAL FIELD BETWEEN THE PHOTOCONDUCTIVE SHEET AND THE CONDUCTIVE SURFACE CONTAINING THE ADHERED DEVELOPER POWDER SUCH THAT DEVELOPER POWDER IS TRANSFERRED SELECTIVELY TO THE PHOTOCONDUCTIVE SHEET IN THE NONEXPOSED AREAS AND SEPARATION OF THE PHOTOCONDUCTIVE SHEET FROM THE SOURCE OF SUPPLY OF DEVELOPER POWDER IS MADE WHILE STILL MAINTAINING THE INFLUENCE OF THE ELECTRICAL FIELD AND PROVISION IS MADE FOR CONTINUING THE ATTRACTION OF THE DEVELOPER POWDER TO THE SURFACE OFE THE PHOTOCONDUCTIVE SHEET AFTER THE AFORESAID SEPARATION.
Inventors
- 👤 Benjamin L Shely
Bibliographic Details
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| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |