Abstract: A cache coherent distributed shared memory multi-processor computer system is provided with a cache-flushing engine which allows selective forced write-backs of dirty cache lines to the home memory. After a request is posted in the cache-flushing engine, a “flush” command is issued which forces the owner cache to write-back the dirty cache line to be flushed. Subsequently, a “flush request” is issued to the home memory of the memory block. The home node will acknowledge when the home memory is successfully updated. The cache-flushing engine operation will be interrupted when all flush requests are complete.

Abstract: An ink jet inkjet receiver layer on a substrate consists of at least two layers of similar composition of binder and pigment, except that the layer next to the substrate has a smaller pigment/binder ratio versus the layer laid on top of it. Multiple layers making up the gradient are included.

Abstract: A system includes a plurality of inter-connected servers coupled to a storage device. The servers are programmed so that one server functions as a primary and another server(s) functions as a backup slave server. When the slave detects that the primary has failed, the slave performs a number of actions to take over run-time operation for the primary. Each server includes a mass storage device controller and executable code that permits the slave to detect the primary's failure and take over for the primary. Such code is included in the mass storage device controller, not in the system ROM as in conventional systems. Because the system ROM is not burdened with code that is specific to the mass storage device controller, the system ROM need not be upgraded and reflashed each time a new mass storage device controller is inserted into the slave computer.

Abstract: A data storage device that includes an array of resistive memory cells. The resistive memory cells may include a magnetic tunnel junction (MTJ) and a thin-film diode. The device may include a circuit that is electrically connected to the array and that is also capable of monitoring a signal current flowing through a selected memory cell. Once the signal current has been monitored, the circuit is capable of comparing the signal current to an average reference current in order to determine which of a first resistance state and a second resistance state the selected memory cell is in. Also, a method for operating the data storage device.

Abstract: In a computer system, a parallel, distributed function lookaside buffer (TLB) includes a small, fast TLB and a second larger, but slower TLB. The two TLBs operate in parallel, with the small TLB receiving integer load data and the large TLB receiving other virtual address information. By distributing functions, such as load and store instructions, and integer and floating point instructions, between the two TLBs, the small TLB can operate with a low latency and avoid thrashing and similar problems while the larger TLB provides high bandwidth for memory intensive operations. This mechanism also provides a parallel store update and invalidation mechanism which is particularly useful for prevalidated cache tag designs.

Abstract: Electrokinetic fluid ejection is disclosed. A mechanism includes a sealed quantity of electrolytic solution, a measured quantity of fluid, and a membrane. The membrane is exposed to the electrolytic solution on one side, and exposed to fluid on another side. An electric potential applied to the electrolytic solution excites the solution, causing the membrane to discharge a droplet of fluid. This can be accomplished by the electrical potential pressuring the electrolytic solution, displacing the membrane and thus the fluid. This can also be accomplished by the electrical potential transferring energy to the solution, which transfers energy to the membrane. Energy is then transferred from the membrane to the fluid. The invention can be used as a manner by which inkjet printing is accomplished.

Abstract: A print job requiring unavailable resources is held until the deficiency is remedied. The resource requirements of the print job are evaluated. The resource requirements are compared to known available resources. Either standard resources are assumed or available resources for the printer are discovered. Responsive to a resource deficiency exposed by the comparison, the print job is communicated to a printer with a command to hold the print job. Also responsive to the resource deficiency exposed by the comparison, instructions for remedying the resource deficiency are created and the instructions are provided to a remedy provider. The instructions are provided to the remedy provider either by printing the instructions or by displaying the instructions on the printer. The remedy provider remedies the resource deficiency and the printer processes the print job.

Abstract: A vacuum platen assembly for a fluid-ejection device of one embodiment of the invention is disclosed that includes a platen that has a number of vacuum holes, and one or more aerosol-collection recesses. A number of ribs extend from the platen, against which position of media is maintained by suction effect from the vacuum holes.

Abstract: A telephony network optimization system and method comprises receiving a request from an application to provide to the application service on a telephony network. The method also comprises automatically allocating to the application a channel on the telephony network to provide balanced network service in response to telephony parameters.

Abstract: A carriage rod and media support system in a printing mechanism comprises a platen including a carriage rod support and a print media support.

Abstract: Multiple processors are mounted on a single die. The die is connected to a memory storing multiple operating systems or images of multiple operating systems. Each of the processors or a group of one or more of the processors is operable to execute a distinct one of the multiple operating systems. Therefore, resources for a single operating system may be dedicated to one processor or a group of processors. Consequently, a large number of processors mounted on a single die can operate efficiently.

Abstract: A circuit for sensing the presence of an inductive load that is particularly applicable to sensing when a solenoid is being driven by a pulse width modulation (PWM) signal. The circuit includes a high side connected transistor having an output driving a load, with the transistor driven by a PWM signal. A circulating diode is coupled to the driving output of the transistor. The circuit further comprises an operational amplifier (op amp) circuit that is coupled to the circulating diode and operates as an inverting operational amplifier (op amp). The op amp circuit charges a first capacitor when the transistor releases driving an inductive load.

Abstract: A projection screen includes a member that functions as a support for holding the screen upright when the screen is in an open-position and as a fastener for holding the screen shut when the screen is in a closed-position.

Abstract: A flow direction detector is provided which includes a flow disruptor positioned in a fluid flow path to effect a detectable differential flow characteristic to such flow path based on fluid flow direction, and a sensor arrangement configured to detect such detectable differential flow characteristic within the flow path.

Abstract: A system and method for determining the dielectric properties associated with a substrate. In one embodiment, a network analyzer measures scattering parameters for at least two lines of substantially identical cross-section embedded within the substrate over a specified frequency range. A first engine determines a complex propagation constant based on the scattering parameters and defines the complex propagation constant in terms of an attenuation component and a phase component. A second engine, responsive to the phase component, determines a relative permittivity parameter associated with the substrate over the specified frequency range. A third engine, responsive to the attenuation component and the relative permittivity parameter, performs a least squares analysis to determine a loss tangent parameter associated with the substrate over the specified frequency range.

Abstract: In a preferred embodiment, the invention provides a circuit and method for improving the soft error rate in a dual-port read SRAM cell. A write-only transfer device is connected to a cross-coupled latch, a first wordline, and a first bitline. A first read-only transfer device is connected to a second bitline, a second wordline, and a first pull-down device. A second read-only transfer device is connected to the first bitline, the first wordline, and a second pull-down device. A clear memory transfer device is connected to the cross-coupled latch, a third bitline, and a third pull-down device. This configuration allows a reduction in the size of a dual-port SRAM cell with little or no reduction in the read access time of the cell. The reduction in size also reduces SER by reducing the cross-sectional, p/n junction area exposed to radiation.

Abstract: A method of accessing a plurality of memories in an interleaved manner using a contiguous logical address space includes providing at least one map table. The at least one map table includes a plurality of entries. Each entry includes a plurality of entry items. Each entry item identifies one of the memories. A first logical address is received. The first logical address includes a plurality of address bits. The plurality of address bits includes a first set of address bits corresponding to a first set of entries in the at least one map table. A first entry in the first set of entries is identified based on the first set and a second set of the address bits. A first entry item in the first entry is identified based on a third set of the address bits. The memory identified by the first entry item is accessed.

Abstract: A variational model for spatially dependent gamut mapping is described that includes inputting a gamut constraint, choosing a one dimensional gamut projection scheme, including selecting a transform color coordinate system, computing transform equations, and verifying gamut conditions. The model also includes inputting an original image to be rendered, where the original image is in a given color coordinate system, transforming the gamut constraint, the image, and the transform equations to the transform color coordinate system, whereby a three dimensional function is transformed into a one dimensional quadratic functional, finding a minimum solution to the functional, and transforming a projected image in the transform color coordinate system into a color coordinate system of a rendering device.

Abstract: A system and a method are provided for printing on a network. In one embodiment, broadly stated the method comprises the steps of: receiving a print job ticket from a client; and placing the print job ticket in a printing queue, the printing queue determined by information contained in the print job ticket.

Abstract: A digital imaging system includes a color appearance handling capability that utilizes a database including actual image data and information relating to the actual image data to control illumination and color in digital images. The digital imaging system controls illumination and color with a color-by-correlation technology that includes an illuminant detection training algorithm that bases control of illumination and color on a database storing actual illuminants, scenes, and subjects from representative image acquisition devices such as digital cameras and scanners. In one example, illuminant detection training is accurately rendered for a variety of illuminants, scenes, and subjects that are expected to be of interest to users of a particular camera or group of cameras. In the example, the database is formed by user-group submissions from users of a particular camera or group of cameras.

Abstract: Method and apparatus for resuming execution of a failed computer program. A program is compiled using two compilers to generate first and second sets of object code. Checkpoints are identified in the program, and checkpoint code is generated for execution at the checkpoints. If execution of the first set of object code fails, checkpoint data is recovered and execution of the program is resumed using either the first or second set of object code. In one embodiment, the first set of object code is re-executed before trying the second set of object code.

Abstract: Embodiments of the present invention provide a memory device. In one embodiment, the memory device comprises an array of memory cells configured to provide resistive states, a read circuit configured to sense the resistive states and a resistor. The resistor is configured to provide a resistance to the read circuit that is configured to select the resistor and sense the resistance to test the read circuit.

Abstract: A computer having a base and a display. The display is pivotable relative to the base. The computer has a securing mechanism that pivotably secures the display to the base. The securing mechanism produces a force that opposes pivotal motion of the display. The securing mechanism also has a clutch operator that is operable to prevent the force from opposing the pivotal motion of the display.

Abstract: A multi-sectional computing device configurable for a plurality of computing worlds, including portable and desktop computing worlds. The technique includes a space saving and configuration technique utilizing multiple joints disposed between multiple sections to facilitate rotational orientation of the sections to adjust for space limitations and other characteristics of a desired environment or computing world. The multiple sections include a display assembly and a housing assembly for computing components.

Abstract: A printer with an imaging components protection architecture includes a main housing and a protective housing that is pivotally coupled to the main housing. The protective housing is formed to receive an intermediate transfer belt (ITB) positioned between the protective housing and a print cartridge that is also positioned within the protective housing.

Abstract: The present invention is embodied in a system and method for optimizing the temperature operating range for a thermal inkjet printhead using pigmented ink over large print swaths. The printhead assembly includes connection and processing circuitry, a printhead body, ink channels, a substrate, such as a semiconductor wafer (commonly referred to as a die), a nozzle member and a barrier layer located between the wafer and nozzle member. The nozzle member has heating elements in arrays, as well as plural nozzles coupled to respective ink channels and is secured at a predefined location to the printhead body with a suitable adhesive layer. The printhead also includes a controller, which can be an integrated circuit processor, a printer driver, firmware or the like for controlling an increase in the mean temperature of the die through a feedback loop.

Abstract: A magnetic tape drive includes a head assembly comprising a read and/or write head mounted for movement along at least one guide rail. A rail cleaner cleans at least a portion of the rail. The cleaner moves along the rail with the head assembly.

Abstract: A system includes a packet reader configured to scan packets transmitted through a network for pre-specified criteria. The packets include endpoint information and data. A request/response matcher determines whether each packet meets pre-specified criteria, and matches request packets with corresponding response packets when the packets meet the pre-specified criteria. A message analyzer determines the format, or structure, of the data of the matched packets, and analyzes the data of the matched packets to generate at least a portion of a model of the data.

Abstract: A variable-height thermal-interface device is provided for transferring heat from a heat source to a sink. The device comprises a first uniaxial rotary cylindrical joint comprising a first cylindrically concave surface in slidable contact with a first cylindrically convex surface. The first cylindrically concave surface and the first cylindrically convex surface share a common first radius of curvature relative to a common first cylinder axis. The first cylindrically concave surface is operable to rotate about the common first cylinder axis relative to the first cylindrically concave surface to compensate for uniaxial angular misalignment between the source and the heat sink.

Abstract: A scheme for testing an electrical device to determine a range of combinations of values of N parametric variables, i.e., a SHMOO plot, for which the device functions properly. In one embodiment, the method comprises defining an N-dimensional plot region comprising a plurality of operating points each corresponding to a particular combination of values of the N parametric variables. The plot region is successively subdivided into smaller sub-regions, based on determining whether the electrical device passes or fails upon testing at each operating point of a predetermined subset of operating points of the plot region or one of the smaller sub-regions, until a minimum resolution is achieved.

Abstract: In accordance with one embodiment, a printing device includes one or more print cartridges configured to remain stationary in a first position over a media path during printing and configured to be serviced while in a second position outside an area above the media path. The printing device further includes a service station configured to service the one or more print cartridges; and, a motor assembly configured to move the one or more print cartridges from the first position to the second position.

Abstract: The present invention is drawn to the thermal transfer overcoating of images printed on porous media, and methods of overcoating images printed on porous media. Upon use of the systems and methods of the present invention, a thermally coated print is generated that can comprise a porous media substrate having printed thereon a digitally produced image. The digitally produced image and the porous media substrate is thermally coated by an adhesive protective layer, wherein the adhesive protective layer has a tangent d that is greater than 1 and melt viscosity less than 1×105 Pa.·sec. as applied above its phase transition temperature. Thus, the voids in the porous media substrate can be substantially filled, and further, substantially no tags remain on the print.

Abstract: An implementation of a technology is described herein for maintaining the operability of fluid-ejection mechanisms and their associated sockets.

Abstract: A system and method for managing a multiple server computer system on a computer network. The system includes a central management server and one or more remote nodes connected to the central management server. A distributed task facility assigns and monitors system management tasks on the remote nodes. An agent running on each of the remote nodes executes system management tasks and initiates contact with the central management server to report the status of the agent and the remote node on which it is running.

Abstract: A fluid supply providing fluid to a fluid ejection cartridge, includes a chassis that partially defines a variable volume chamber. The chassis has a sealing surface disposed proximate an opening in the chamber. In addition, the fluid supply includes a compressive layer formed from an ethylene propylene-diene copolymer and an isobutylene isoprene copolymer. Further the fluid supply includes a fastening device disposed on the chassis holding the compressive layer to the sealing surface forming a fluidic seal of a diaphragm pump.

Abstract: A method for automatic removal of vertical streaks involves a comparison between image data for a pixel and its neighbor pixels to determine whether the pixel is non-homogenous. In a preferred method, the comparison employs an adaptive threshold against which a difference between the pixel and its neighbor pixels is compared, with the adaptive threshold taking into account accumulative information pertaining to pixels generated by a common optical sensor element. A preferred method also includes the step of considering locations of non-homogenous pixels in the image to determine whether the image data associated with the non-homogenous pixels needs to be changed or modified. A preferred method also includes the step of associating the non-homogenous pixels with different image data.

Abstract: A print medium having a heat-sealable layer comprised of a first component and a second component. The first component and the second component have different particle sizes and different glass transition temperatures. A method of producing the print medium is also disclosed. The print medium is used to produce a photographic-quality image by applying inkjet ink to the print medium. The heat-sealable layer of the print medium is sealed by exposing the layer to a temperature above the glass transition temperatures of the two components. An inkjet printer used to apply inkjet ink to the print medium may include a radiant heater.

Abstract: A SOFC providing higher power densities than PEM-based cells; the possibility of direct oxidation and/or internal reforming of fuel; and reduced SOFC operating temperatures. The SOFC comprises a thin film electrolyte layer. A thick film anode layer is disposed on one surface of the electrolyte layer; and a thick film cathode layer is disposed on the opposite surface of the electrolyte layer. A method of making the SOFC comprises the steps of: creating a well in one side of a dielectric or semiconductor substrate; depositing a thin film solid oxide electrolyte layer on the surface of the well; applying a thick film electrode layer in the electrolyte coated well; creating a counter well in the opposite side of the substrate, the counter well abutting the electrolyte layer; and applying a thick film counter electrode layer in the counter well.

Abstract: An apparatus and method for retrieving data related to a data cartridge contained in a media storage system. A transponder (e.g., an RFID transponder) is attached to the data cartridge for storing the related data and a reader attached to a cartridge access device of the media storage system is positionable adjacent the data cartridge for reading the related data from the transponder. The reader is attached to a cartridge plunge mechanism so that the reader is positioned near the transponder regardless of the mechanical tolerances of the media storage system. Once positioned adjacent one another, the transponder is activated and queried by the reader. The transponder transmits a data signal containing the related data to the reader and a controller operatively associated with the reader processes the data signal.

Abstract: An embodiment of a halftoning method reduces the grainy appearance resulting from overlap of cyan and magenta colorants using a single threshold matrix for both the cyan and the magenta color planes. The cyan color value and the magenta color value for a pixel are summed. If the sum is greater than the maximum possible color value by at least the corresponding matrix threshold value, both cyan and magenta colorants are placed on the pixel. If the sum is not greater than the maximum possible color value by at least the corresponding matrix threshold value, then the smallest of the cyan color value and the magenta color value is compared to the corresponding matrix threshold value. If this smallest color value is greater than the corresponding matrix threshold value, the corresponding colorant is placed on the pixel. Otherwise, the other colorant is placed on the pixel. If the sum is less the maximum possible color value, then the sum is compared to the corresponding matrix threshold value.

Abstract: A printhead assembly includes a carrier having a fluid manifold defined therein such that the fluid manifold includes a first chamber and a second chamber; a plurality of printhead dies each mounted on the carrier and communicating with at least one of the first chamber and the second chamber of the fluid manifold; a fluid delivery assembly coupled with the carrier and including a first chamber and a second chamber; and a fluid interconnect fluidically coupling the first chamber of the fluid manifold with the first chamber of the fluid delivery assembly and the second chamber of the fluid manifold with the second chamber of the fluid delivery assembly.

Abstract: The present method is drawn to the creation of fast-drying, photo-quality images with an ink-jet inks. The method comprises the steps of providing a inorganic porous media substrate, providing an aqueous ink-jet ink comprising an ink vehicle and an effective amount of a metallized dye having at least one heterocyclic nitrogen ring and an azo bond wherein the heterocyclic nitrogen is chelated or complexed to a transition metal, and jetting the aqueous ink-jet ink onto the inorganic porous media substrate.

Abstract: A link extender node is used to extend links between end nodes and/or routing nodes in a system area network. A connection includes a first link, coupling an end or routing node to a local port of a first link extender, a second link coupling the remote ports of first and second link extenders, and a third link coupling the local port of the second link extender to an end or routing node. The link extender includes link exception detection logic and transmits a this link bad command on the link generating the exception and transmits an other link bad command on the link not generating the exception.

Abstract: The present invention relates to a print medium with improved resistance to airfade. The print medium is coated with a high molecular weight additive having low volatility. The high molecular weight additive is a monomeric or oligomeric compound that has a molecular weight of greater than approximately 1000. The high molecular weight additive is a hindered amine light stabilizer or a fixative. The present invention also relates to a method of producing a print medium with improved airfastness. The method comprises coating a print medium with a high molecular weight additive having low volatility. An image is then printed on the coated print medium and subjected to at least one atmospheric gas. The airfastness of the printed image is measured and compared to the airfastness of an image printed on an uncoated print medium.

Abstract: An isochronous channel is configured on an interconnect bus between a first device and a second device. A first device requests an isochronous channel, required bandwidth, and a required service window size. If a service window of the required size at the required bandwidth is available, an isochronous bus controller sends the request to the second device. If the second device has a service window of the required size at the required, it accepts the isochronous channel request. The isochronous bus controller can be a collection of isochronous controllers, each controlling a subset of the interconnect bus. The isochronous bus controller then allocates bandwidth to the first device, notifying the first device to begin generating isochronous transactions, controlling access to the bus to ensure the first device does not exceed the bandwidth allocation. Further, the isochronous bus controller terminates the isochronous channel, if the first device stops sending isochronous transactions.

Abstract: A wireless network adapter for establishing wireless communication links between electronic devices. In one embodiment, the wireless network adapter comprises wireless communication circuitry encased in a shell in the form of a detachable molding element of an electronic device. The wireless network adapter further comprises a bus connector adapted to couple the wireless communication circuitry to an expansion bus when the shell is attached to an outer surface of an electronic device. The wireless network adapter is a fully integrated solution further comprising an RF antenna for communication with a wireless network and a radio modem comprising a radio, a receiver, and modulation circuitry. The RF antenna in the wireless network adapter may take one of several forms. The antenna may be a dedicated unit housed within the shell of the wireless network adapter. Alternatively, the antenna may form a part of the outer shell of the adapter or it may form a part of a company logo located on the shell the adapter.

Abstract: Disclosed are improved cross-point array memory devices. In one embodiment, a memory device comprises a cross-point array of memory cells, each memory cell including a storage element and a current concentrating feature that concentrates current applied to the storage element. In another embodiment, a memory device comprises a cross-point array of memory cells, each memory cell including a storage element having a preprogrammed filament fuse configured to be disabled during a write procedure.

Abstract: The present invention compensates a printed image for distortions caused by mechanical image stretch. One embodiment comprises a memory configured to store compensation data, the compensation data corresponding to distortion in a printed image caused by mechanical image stretch, and a processor configured to generate a compensated image data by combining data corresponding to the image and the compensation data, and configured to communicate the compensated image data to a printing system.

Abstract: Ink-receiving print media products having multiple capabilities including (A) minimal drying time; (B) improved smear-fastness; (C) a high level of water-fastness; (D) the ability to generate high-definition images; and (E) excellent ink compatibility. The media products have at least one ink-receiving layer on a substrate (e.g. paper pre-coated with one or more binders and/or pigments). The ink-receiving layer includes a pigment (boehmite, pseudo-boehmite, or mixtures thereof) optimally combined with a special binder blend [polyvinyl alcohol, a poly(vinyl acetate-ethylene) copolymer, and a poly(vinyl pyrrolidone-vinyl acetate) copolymer]. Also included is a special dye fixative (namely, a cationic emulsion polymer) which provides enhanced water-fastness. This fixative is of a particular type (a quaternary amine) that also allows high pigment levels to be employed (at least about 65% by weight) which further promotes the foregoing benefits.

Abstract: A method for roughening a surface of an ion exchange system structure using laser interaction with a surface. The laser surface roughening process allows the use of a wide range of substrates such as metals, ceramics, silicates, polymers and the like, including varieties which can not be fabricated in a fine fibrous structure. The surface roughened ion exchange system structure may be used as an ion-exchange media in applications such as fuel cells, batteries, and other catalysis systems where a high surface exchange area is desirable.