| Patent Number |
Title Of Patent |
Date Issued |
| 7344234 |
Print head pressure control architectures |
March 18, 2008 |
| A fluid container, such as, for example, an inkjet print head cartridge, architecture uses a relatively large filter that is located below a negative pressure material chamber and a free ink chamber in a side-by-side relationship. The negative pressure material volume relative to a f |
| 7294223 |
Method for attaching a fluid container to a fluid ejector in a fluid ejection device |
November 13, 2007 |
| A method for joining fluid containers and fluid ejectors in a fluid ejecting device are provided. The fluid container includes one or more heat stakes and a substrate includes one or more apertures for receiving the heat stakes and one or more three-dimensional features in the vicini |
| 7261389 |
Systems and methods for dissipating heat into a fluid ejector carriage device |
August 28, 2007 |
| A thermally-conductive fluid ejector carriage device is used to dissipate heat from a thermal fluid ejector module in a fluid ejection device. The thermally-conductive fluid ejector carriage device is molded from a polymer, or a polymer material including at least one thermally-condu |
| 7192126 |
Systems, methods and structure for maximizing efficiency of refillable fluid ejection head |
March 20, 2007 |
| A refillable fluid reservoir for a fluid ejection head, including a fluid reservoir having top, bottom and side walls defining an interior volume for having fluid; a venting port provided on one of the reservoir walls; and a fluid inlet port provided on one of the reservoir walls, the |
| 7192116 |
Systems and methods for dissipating heat from a fluid ejector carriage |
March 20, 2007 |
| A system, method and structures for dissipating heat away from a thermal fluid ejector modules through a thermally-conductive carriage molded from a polymer to the ambient air surrounding the structure upon which the thermally-conductive fluid ejector carriage translates. The heat is |
| 7172272 |
Systems and methods for vent path leakage prevention |
February 6, 2007 |
| A fluid ejection container system provides a first container that contains the fluid, the first container being evacuated to negative gauge pressure when being filled with the fluid, a second container having a capillary medium that contains the fluid, a passage between the first and sec |
| 7156510 |
Devices for dissipating heat in a fluid ejector head and methods for making such devices |
January 2, 2007 |
| A print cartridge includes a manifold that is molded from a polymer including at least one thermally conductive filler material, and a fluid ejector die module attached to the manifold. A method of manufacturing a print cartridge includes molding a manifold at least partially from a |
| 7134736 |
Printer with printhead fully traveling around drive belt loop |
November 14, 2006 |
| A drive assembly for a printer includes an endless loop drive path and guide structure that allows a printhead to operate in either reciprocal or endless loop modes in which the printed traverse both a liner and an arcuate portion of the drive path. This provides a printer architecture |
| 7109513 |
Use of wicking means to manage fluids on optical level sensing systems |
September 19, 2006 |
| A fluid reservoir sensing system includes a pair of optical prisms or sensor targets that reflect light when a fluid level is below one of the pair of prisms or sensor targets. The pair of optical prisms or sensor targets includes a low prism or sensor target usable to sense a low li |
| 7077492 |
Method and device for optical sensor compensation, and apparatus incorporating the same |
July 18, 2006 |
| An optical sensor has a sensor compensation to compensate for sensor degradation due to airborne contaminations in the operating environment. For example, in a thermal ink jet printing environment, the thermal ink jet operation produces misting or splashing of the thermal ink jet dro |
| 7051775 |
Systems, methods and structure to capture, store and evaporate split fluid |
May 30, 2006 |
| A refill junction for a fluid container including an exterior surface; a retaining clip having an outer face and an inner face, at least one of the exterior surface and the inner face including at least one capillary. |
| 7048365 |
Pressure control architecture for fluid tanks having fluid level sensing |
May 23, 2006 |
| A refillable fluid container system having a pressure control architecture in which persistent air bubbles are released from a capillary or foam fluid reservoir and are directed from an optical level sensing system in a liquid fluid reservoir. |
| 7040728 |
Geometry for a dual level fluid quantity sensing refillable fluid container |
May 9, 2006 |
| A fluid reservoir sensing system includes a pair of optical prisms that reflect light when a fluid level is below one of the pair of prisms. The pair of optical prisms includes a low prism usable to sense a low liquid level in the fluid reservoir, and a high prism usable to sense a high |
| 7030972 |
System and method for identifying objects |
April 18, 2006 |
| Method and system for detecting the presence and determining characteristics of objects such as ink cartridges in printing systems. The system includes a signal transceiver capable of transmitting signals using a photo emitter and capable of receiving signals sent from the objects us |
| 7018032 |
Internal venting structure for fluid tanks |
March 28, 2006 |
| A refillable fluid container system having a communication channel between the manifold and fluid reservoir that allows air to vent from the manifold to an air accumulation area with in the fluid resevoir. |
| 6986615 |
Backlash reduction |
January 17, 2006 |
| Backlash is reduced by stopping substrate short of a printing position, then slowly advancing the drive system to move the substrate to the printing position. Where a stepper motor drives a driven roller via a gear train, the stepper motor stops the substrate a predetermined number o |
| 6908170 |
Devices for dissipating heat in a fluid ejector head and methods for making such devices |
June 21, 2005 |
| A fluid ejector assembly includes a container that stores a fluid to be ejected, a heat sink attached to the container, and a die module bonded to the heat sink. The heat sink is molded from a polymer that has at least one thermally conductive filler material mixed into the polymer. The |
| 6863389 |
Liquid ink cartridge using viscous gel |
March 8, 2005 |
| A liquid ink cartridge, such as ink jet ink cartridge, includes a container defining an ink reservoir, the ink reservoir having an ink outlet at one end and capable of receiving a supply of ink in the ink reservoir; and an ink follower composition located in the ink reservoir apart from |
| 6663234 |
Ink cartridge providing improved ink supply |
December 16, 2003 |
| A fluid cartridge for dispensing fluid, such as liquid ink for a drop on demand ink jet printer, includes a housing that encloses a capillary chamber, and has an outlet port through the one wall of the housing into the capillary chamber. Capillary material in the capillary chamber is |
| 6520612 |
Sensing system for detecting presence of an ink container |
February 18, 2003 |
| A low ink sensing system is combined with an ink cartridge detection system to enable a more efficient ink jet printer. An ink container which supplies ink to an associated printhead is modified by the incorporation of two light directing elements, in the preferred embodiment, a curv |
| 6467869 |
Economical ink cartridge identification |
October 22, 2002 |
| A printer determines the characteristics of the ink of the replaceble ink cartridge by set of ink cartridges. Each ink cartridge is formed of a housing and includes marks on the exterior surface of the housing. The marks on the cartridge housing are arranged so that the marks on the |
