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| Number | Title | Issue Date |
| 7290146 | Managed credential issuance In a method of issuing a credential, a request for issuance of the credential is received. Next, a unique identification for the requested credential is assigned and data elements corresponding to the credential are provided. A credential production data collection ... | 10/30/2007 |
| 7237485 | Print supply monitoring An identification card printer includes a card input, a card transport, a printhead, and a card output. The card transport is configured to feed a card from the card input along a print path. The printhead is positioned below the print path and is configured to prin... | 07/03/2007 |
| 7234884 | Ribbon spool lock assembly A printing mechanism requires ribbon spools to be locked in place radially, and includes a pivoting ribbon tension arm that must be pivoted out of its normal operating position when ribbon is to be replaced. A ribbon spool lock assembly includes a rotating locking h... | 06/26/2007 |
| 7184172 | Method and system for controlling printer color A method for controlling printer color is provided. The method includes receiving cartridge color density data, such as from analysis of a test patch printed by the cartridge, and reference cartridge data, such as from analysis of a test patch printed and measured i... | 02/27/2007 |
| 7154519 | Printer and ribbon cartridge A printer includes a substrate input, a substrate transport, a printhead, a removable ribbon cartridge, a ribbon cartridge receiver, and a substrate output. The substrate transport is configured to feed a substrate from the substrate input along a print path. The pr... | 12/26/2006 |
| 6899478 | Method and machine for card color printing A method for ribbon color thermal printing and encoding cards, particularly pre-paid, smart cards, chip cards, and the like is disclosed. The method includes the steps of detecting the printing ribbon color, controlling the thermal printing energy feed and driving t... | 05/31/2005 |
| 6227648 | Print roll having an ink return tray This patent describes a print roll for use in an instant camera device, the print roll having a ink return tray for collecting excess waste ink from the printing process. The return tray can comprises a sponge-like strip affixed to a leaf portion of the p... | 05/08/2001 |
| 6071025 | Printer system having two or more ink cartridges A printer system includes a printer on which color and monochromatic print cartridges are mounted, and a personal computer to output bit map data to the printer. The kinds of these ink cartridges are memorized as status information within a RAM so that th... | 06/06/2000 |
| 5779372 | Hot stamp imprinting system with locking cam reel hubs A printing system for transferring ink from an inked ribbon supplied from a ribbon roll having a tubular core with an inner surface onto a substrate. The system includes a rotatable locking cam hub having a reel hub with a first surface engageable with th... | 07/14/1998 |
| 5775821 | Ribbon cassette for a printing apparatus In a facsimile machine, when a received image data having resolution of standard mode is stored in a reception data memory, the image data is decoded and then converted to image data of two fine or four super fine lines and stored in a first recording dat... | 07/07/1998 |
| 5601373 | Spur gear ratchet mechanism for thermal transfer printer A spur gear ratchet mechanism is provided to enable simplified replacement of a ribbon roll for a thermal transfer printer. The spur gear ratchet mechanism is intended for use with a printer comprising a fixed base portion and a pivotal cage portion in wh... | 02/11/1997 |
| 5505550 | Printer and method of supplying continuous paper to printing portion A printer comprises a convey roller for withdrawing continuous paper from a roll of the paper and conveying the paper along a predetermined convey path. The convey roller is rotated at a predetermined peripheral speed and conveys the paper with a first co... | 04/09/1996 |
| 5275495 | Ribbon re-inking mechanism A re-inker mechanism is described for replenishing ink in a ribbon by increasing the contact force between an ink supply roller and a transfer roller as the weight of the ink supply roller decreases. This is accomplished by locating the transfer roller ro... | 01/04/1994 |
| 5100249 | Check protector with means for printing amount in bands of different colors The check protector comprises a print head with a plurality of parallel pins in a vertical line perpendicular to the direction of movement of the head. The ribbon in the check protector has at least two bands, one band being associated with half the print... | 03/31/1992 |
| 4899172 | Method and apparatus for perforating indicia on used thermal transfer ribbon within a cassette In printing apparatus of the type which includes structure for thermally transferring ink from a ribbon to a workpiece, wherein the ribbon includes a backing layer and an ink donor layer, there is provided a printing process which includes the step(s) of ... | 02/06/1990 |
| 4684273 | Ribbon shield for impact printer and method for controlling ink flow therein A ribbon shield for a dot matrix printer which is comprised of a step contoured recessed cavity such that the ribbon sequentially wipes against an upper edge, a lower edge, towards the paper, the other lower edge and the other upper edge and the ink remov... | 08/04/1987 |
| 4591282 | Drive mechanism for a ribbon disc Disclosed is a drive for a ribbon disc (20) for a printer (10), the printer (10) including a printwheel (12) mounted for rotation on the shaft (15) of a printwheel driver (16) and intermediate a print hammer (18) and print receiving means (40). The printw... | 05/27/1986 |
| 4470350 | Method of impact printing with electrostatic or magnetic powder A method of impact printing onto a receiving sheet on a platen by supplying powder to the sheet for pressure fixture by type face impact. The powder is temporarily held to the sheet by either electrostatic or magnetic force. In an alternate embodiment, th... | 09/11/1984 |
| 4461586 | Ink ribbon for use in electrothermic non-impact recording An ink ribbon for use in electrothermic non-impact recording comprising an electroconductive base layer and an electroconductive thermal-transferable ink layer which are layered. The base layer comprises a binder resin and an electroconductive material di... | 07/24/1984 |
| 4093061 | Disc ink ribbon A rotable circular disc ribbon for use with a high speed impact printer. The disc ribbon includes a central ink storage chamber enclosing ink saturated porous material. The disc ribbon also includes an outer circumferential film portion positionable betwe... | 06/06/1978 |
