Electrostatic image development
Abstract
Abstract A PROCESS IN WHICH AN ELECTROSTATIC IMAGE-BEARING INSULATING SHEET IS BROUGHT INTO CONTACT WITH A COVER SHEET BY A PAIR OF ROLLS FORMING A LINE OF CONTACT AT WHICH THE DEVELOPMENT TAKES PLACE. A BEAD OF LIQUID DEVELOPER IS PLACED BETWEEN THE SHEETS AND AS THE SHEETS ARE MOVED AS A UNIT BETWEEN THE ROLLS, THE BEAD IS WIPED ACROSS THE SHEET AND IMAGES ARE DEVELOPED IN ACCORDANCE WITH THE POTENTIAL APPLIED TO THE ROLL IN CONTACT WITH ITS RESPECTIVE SHEET. THE PROCESS INCLUDES THE FOLLOWING EMBODIMENTS: THE ELECTROSTATIC IMAGE INDUCED ON THE COVER SHEET CAN BE DEVELOPED; THE ELECTROSTATIC IMAGE ON THE INSULATING SHEET CAN BE DEVELOPED WITH SIMULTANEOIUS TRANSFER OF THE DEVELOPER PARTICLES TO THE COVER SHEET; THE ELECTROSTATIC IMAGE ON THE INSULATING SHEET CAN BE DEVELOPED AND SIMULTANEOUS PHYSICALLY TRANSFERRING THE TONER PARTICLES TO THE COVER SHEET; AND THE ELECTROSTATIC IMAGE ON THE INSULATING LAYER CAN BE DEVELOPED WITH SIMULTANEOUS DEVELOPMENT OF THE ELECTROSTATIC IMAGE INDUCED ON THE COVER SHEET.
Inventors
- 👤 Gene H Robinson
- 👤 James G Jarvis
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |