Patent application number | Description | Published |
20090109255 | Fluid ejection device - Embodiments of a fluid ejection device are disclosed. | 04-30-2009 |
20120019576 | REPLACEABLE PRINTING COMPONENT - A replaceable printing component is provided, including a fluid reservoir, an electrical storage device mounted on the fluid reservoir, and an identifier stored on the information storage device, wherein the identifier is fixed based on an initial volume of fluid stored in the fluid reservoir. | 01-26-2012 |
20130050344 | INK PEN ELECTRICAL INTERFACE - A printing system comprising an electrical interface for ink pens of an inkjet printer, the electrical interface including a first group of electrical contacts; a second group of electrical contacts, the second group of electrical contacts being arranged in an identical configuration as the first group of electrical contacts; and a number of electrical interconnects, in which each electrical contact from the first and second groups of electrical contacts is connected to one of the electrical interconnects via a conductive trace; in which at least one electrical contact from the first group of electrical contacts is connected to a same electrical interconnect as at least one electrical contact from the second group of electrical contacts. | 02-28-2013 |
20130057606 | System and Method Using Ink Usage Adjustment Values - A method for tuning ink usage includes storing an ink usage adjustment value in a memory of an ink cartridge; and with a printing system utilizing the ink cartridge, adjusting an ink usage of the ink cartridge based on the ink usage adjustment value. An ink cartridge includes a memory for storing an ink usage adjustment value, the ink usage adjustment value based on ink usage properties of the cartridge. A printing system utilizing the ink cartridge adjusts an ink usage of the ink cartridge based on the ink usage adjustment value. | 03-07-2013 |
20130063510 | Multi-Mode Printing - A printing system configured for multi-mode printing, the printing system comprising a print head, the print head including a number of nozzle pairs, each nozzle pair comprising a primary ink nozzle and a secondary ink nozzle; and switching circuitry for selectively firing either or both of the nozzles in a selected pair within one of a number of time slots based on a current print mode. | 03-14-2013 |
20130083096 | AUTHENTICATION SYSTEMS AND METHODS - In an embodiment, an authentication system includes a base unit to receive a replaceable supply device, a controller integrated into the base unit, known characteristic data accessible by the controller, and an authentication algorithm executable on the controller to authenticate the supply device if a known characteristic measured on the supply device matches the known characteristic data. | 04-04-2013 |
20130290360 | CONSUMABLE IDENTIFIER - A consumable product can have an identifier stored on a circuit or machine-readable medium. The identifier can be used to verify the authenticity of the consumable product. The integrity of the identifier can be verified based on an integrity check portion of the identifier. | 10-31-2013 |
20140059138 | SUPPLY ITEM MESSAGING - One example discloses a peripheral supply component. The peripheral supply component includes a supply item ( | 02-27-2014 |
20140211241 | AUTHENTICATION SYSTEMS AND METHODS - In an embodiment, an authentication system includes a supply device having a data storage chip with identification (ID) bit memory cells. The ID bit memory cells comprising a measured cell, pointer cells to store address information that points to the measured cell, and analog cells that store factory-measured analog information about the measured cell. | 07-31-2014 |