| Patent Number |
Title Of Patent |
Date Issued |
| 6483996 |
Method and system for predicting print quality degradation in an image forming device |
November 19, 2002 |
| Method and system for predicting print quality degradation in an image forming device. Correction factors produced during calibration cycles are stored for future analysis. The correction factors, or alternatively new printer control parameters which incorporate the correction factors, m |
| 6483734 |
Memory device having memory cells capable of four states |
November 19, 2002 |
| A memory device includes memory cells having a re-writeable element and a write-once element in series with the re-writeable element. The re-writeable element is programmable between a high resistance state and a low resistance state. The write-once element can be an anti-fuse element |
| 6483717 |
Switch integral to a latch assembly |
November 19, 2002 |
| A switch integral to an insert/extract latch assembly. The switch is positioned between a latch and a retainer and may be compressed between the latch and the retainer. The switch is connected to a warning circuit and may function to de-energize the electronic assembly upon disengagement |
| 6483710 |
Method and apparatus to facilitate removal and installation of removable components |
November 19, 2002 |
| A method and apparatus for facilitating the removal and installation of components of a system. The installation and removal of the component may be a completed without the need to manually disconnect connectors, use tools, take a lengthy amount of time, or interrupt a SCSI loop. A latch |
| 6483700 |
Air-flow balancing card guide frame |
November 19, 2002 |
| A method and apparatus to provide air-flow balancing with a card guide frame. One embodiment of the invention involves a method to assemble an air-flow balancing card guide frame and one or more substrates. A second embodiment of the invention involves a method to design an air-flow |
| 6483698 |
Cradle for supporting a PDA and similar portable electronic devices |
November 19, 2002 |
| A cradle with a movable back supporting element. The back supporting element extends in one position to support the back of a portable device when the device is received by the cradle. The cradle also includes a supporting region which supports the end of the portable device. When the |
| 6483610 |
Mounting system for two-dimensional scanner |
November 19, 2002 |
| A mounting system for a two-dimensional scanner may comprise a base and a platen mounted to the base. A multi-axis scanner support apparatus mounted to the base is sized to receive the two-dimensional scanner. The multi-axis scanner support apparatus allows the two-dimensional scanner to |
| 6483348 |
Reducing power consumption variability of static busses |
November 19, 2002 |
| Current pulse matchers monitor the wires of a static or precharge-pulldown bus. Each current pulse matcher monitors the wire that it is connected to. For a precharge-pulldown bus, if the wire has been discharged during the pulldown cycle of the bus, the precharge current pulse matcher do |
| 6481842 |
Heating device and method for use in a printing device |
November 19, 2002 |
| Apparatus and methods are disclosed herein for drying printing composition on a print medium. A disclosed apparatus for use in a printing device configured to dispose printing composition on a print medium includes a blower configured to provide an airflow and a heater configured to heat |
| 6481838 |
Ink tube connection to printhead carriage cover |
November 19, 2002 |
| A pen carriage for use in an inkjet printer of the type which includes a moveable scanning carriage, the carriage having at least one stall for reception of an inkjet pen having an upwardly directed fluid inlet which can be slidably connected to establish fluid communication of an inkjet |
| 6481832 |
Fluid-jet ejection device |
November 19, 2002 |
| The invention is a fluid ejection device, such as a printhead, that has a substrate with a first surface mating to an orifice layer, preferably through a stack of thin-film layers. The orifice layer defines a fluid chamber interfacing to an orifice opening or nozzle. The substrate has a |
| 6481831 |
Fluid ejection device and method of fabricating |
November 19, 2002 |
| An inkjet printhead and a method of fabricating an inkjet printhead is disclosed. The inkjet printhead includes a conducting material layer deposited on an insulative dielectric. The conducting material layer has a chamber formed between a first and a second section of the conducting |
| 6481827 |
Modular ink absorbent system for inkjet spittoons |
November 19, 2002 |
| A modular ink absorbent system for channeling waste ink spit from a printhead in an inkjet printing mechanism to a permanent storage location while isolating the ink from contaminating other components in the mechanism. An absorbent core has a spit target that receives the waste ink |
| 6481823 |
Method for using highly energetic droplet firing events to improve droplet ejection reliability |
November 19, 2002 |
| The present invention includes as one embodiment a method of controlling an inkjet printhead assembly, including providing the printhead assembly having ink ejection elements that eject ink from a firing chamber through a nozzle and being energizable by an electrical pulse having a first |
| 6481822 |
Independent servicing of multiple inkjet printheads |
November 19, 2002 |
| Service station components for interacting with one type of printhead are located to be aligned in operative position only in a first servicing mode, and service station components for interacting with another type of printhead are differently located to be aligned in operative position |
| 6481818 |
Method and facility for preventing overheating of a thermal ink jet print head |
November 19, 2002 |
| A method of printing includes receiving print data for a swath to be printed. The swath has a matrix of pixels arranged in rows and columns. For a succession of adjacent row segments of the swath, a cumulative total of pixels to be printed is calculated. If the cumulative total exceeds a |
| 6481817 |
Method and apparatus for ejecting ink |
November 19, 2002 |
| The present disclosure relates to an inkjet printhead having a plurality of drop generators responsive to drive current and address signals for dispensing ink. The inkjet printhead includes first and second drop generators disposed on the printhead with each of the first and second d |
| 6480990 |
Application specific integrated circuit with spaced spare logic gate subgroups and method of fab |
November 12, 2002 |
| An application specific integrated circuit (ASIC) and method of manufacture. The ASIC includes a substrate layer, at least one metal layer and an operational block. The metal layer is formed above the substrate layer. The operational block is formed in the substrate layer and the met |
| 6480987 |
Method and system for estimating capacitive coupling in a hierarchical design |
November 12, 2002 |
| A coupling capacitance analysis logic allows the classification of capacitance in a hierarchical electronic design. The coupling capacitance analysis logic analyzes capacitance between signal lines and other signal lines, and analyzes capacitance between signal lines and the substrate on |
| 6480943 |
Memory address interleaving and offset bits for cell interleaving of memory |
November 12, 2002 |
| A method provides for interleaved access of a contiguous logical address space formed by a plurality of memories having respective overlapping address spaces. The memories are organized into memory segments, memory segments of equal size from different memories arranged or organized into |
| 6480938 |
Efficient I-cache structure to support instructions crossing line boundaries |
November 12, 2002 |
| A cache structure, organized in terms of cache lines, for use with variable length bundles of instructions (syllables), comprising: a first cache bank that is organized in columns and rows; a second cache bank that is organized in columns and rows; logic for defining said cache line into |
| 6480471 |
Hardware sampler for statistical monitoring of network traffic |
November 12, 2002 |
| An apparatus for collecting data packets on a network, the apparatus containing at least one central processing unit (CPU) having a data table, and a media access controller (MAC) receiving all the packets from the network. Generally, a packet filter filters the packets to obtain packets |
| 6480463 |
Method and device for write protecting compact disk media |
November 12, 2002 |
| A write-protect ring for protecting an optical disk from being written upon is disclosed. The write-protect ring includes an adhesive portion and a non-adhesive portion so that the non-adhesive portion is nearer data regions of the optical disk, thereby preventing the adhesive from i |
| 6480395 |
Device and method for interstitial components in a printed circuit board |
November 12, 2002 |
| A printed circuit board (PCB) includes a first layer having first and second surfaces, with an above-board device mounted thereon. The PCB includes a second layer having third and fourth surfaces. One of the surfaces can include a recessed portion for securedly holding an interstitia |
| 6480379 |
Removable component filter |
November 12, 2002 |
| A cost effective and easily manufactured filler for a removable system component. A hard disk drive filler embodiment is disclosed having five exterior sides and internal baffles to simulate the airflow modifying characteristics of a hard disk drive. The hard disk drive filler is sta |
| 6480305 |
Imaging device |
November 12, 2002 |
| An imaging device includes plurality of illumination elements interspersed among a plurality of light sensing elements so that each illumination element is adjacent to a light sensing element. The illumination elements each include a ferroelectric liquid crystal element positioned over a |
| 6480200 |
Method and apparatus for deferred texture validation on a multi-tasking computer |
November 12, 2002 |
| A method of avoiding processor state transitions while rendering frames includes forming a command data buffer and a data structure in response to drawing commands received from a graphics application. The command data buffer includes a list of primitives. The data structure identifies a |
| 6479962 |
In-device charging system and method for multi-chemistry battery systems |
November 12, 2002 |
| A battery management system and method for an electronic device that may be powered by an AC source (using an AC adapter), or by a battery. The battery management system includes firmware configured to determine whether a battery coupled to the electronic device is rechargeable. The |
| 6479353 |
Reference layer structure in a magnetic storage cell |
November 12, 2002 |
| A magnetic storage cell includes an active layer and a reference layer which is structured to minimize disruptions to magnetization in its active layer. The reference layer is structured so that a pair of its opposing edges overlap a pair of corresponding edges of the active layer. This |
| 6478489 |
Printer rollfeed media tension system with friction ring |
November 12, 2002 |
| A rollfeed braking system for maintaining substantially constant tension in rollfeed media includes a rotary brake drum on a rollfeed mounting spindle assembly and a pivotally mounted spring biased brake arm having a braking area urged toward the brake drum. A friction ring is mounted on |
| 6478418 |
Inkjet ink having improved directionality by controlling surface tension and wetting properties |
November 12, 2002 |
| An inkjet ink for printing onto a print medium is provided. The inkjet ink evidences minimal tail breakup and improved drop trajectory, thereby evidencing improved print quality. The minimal tail breakup and improved drop trajectory are achieved by adding at least one surface active |
| 6478417 |
Method and system for purging air from a print mechanism |
November 12, 2002 |
| This disclosure provides a printer pen having a pressure regulation system and a mechanism for purging air from the pen using the pressure regulation system. More specifically, a pressure sensor and a permanent magnet actuator open and close an internal valve to selectively pressurize a |
| 6478415 |
Rejuvenation station and printer cartridge therefore |
November 12, 2002 |
| A rejuvenation station has a housing with a first area adapted to hold a fluid supply, and a second area adapted to hold a printer cartridge. In the first area is a first fluidic interconnect that is adapted to couple with the fluid supply. In the second area is a second fluidic intercon |
| 6478410 |
High thermal efficiency ink jet printhead |
November 12, 2002 |
| This present invention is embodied in a low-cost printing system including a printhead and an ink composition that provides photographic-quality resolution. The printhead of the present invention includes a high-density array of drop generators that eject ink drops having a low drop weig |
| 6478404 |
Ink jet printhead |
November 12, 2002 |
| An ink jet printhead having three columnar arrays of drop generators that produce drops having an drop volume that enables multi-pass printing at a print resolution that is not less than 1/(2P) dpi along a reference axis, wherein P is a drop generator pitch, and three columnar arrays of |
| 6478396 |
Programmable nozzle firing order for printhead assembly |
November 12, 2002 |
| A printhead assembly includes at least one printhead having a group of nozzles, a group of firing resisters corresponding to the group of nozzles, a programmable nozzle firing order controller configured to provide address generator control signals, and a nozzle address generator con |
| 6478296 |
Supporting media by bending same |
November 12, 2002 |
| A post-processing apparatus is configured to substantially support media sheets along their edges by causing the media sheets to substantially bend along their transversely extending axes. Conventional types of media sheets are typically unable to be supported at their edges because they |
| 6478231 |
Methods for reducing the number of interconnects to the PIRM memory module |
November 12, 2002 |
| A method and device for reducing the number of interconnections between a memory module and interface circuit comprises a memory module having a plurality of memory layers and an addressing circuitry, wherein the memory layer is formed as layers of arrays of memory elements. Furthermore, |
| 6477892 |
Methods and systems for ascertaining the roughness of a print media surface |
November 12, 2002 |
| Methods and systems for ascertaining the roughness of a print media surface are described. In one embodiment, a print media roughness detection mechanism comprises a surface-engaging member that is configured to physically engage a print media surface. A reflective member is provided |
| 6477703 |
Software patch selection tool |
November 5, 2002 |
| A patch selection tool providing a method and apparatus for identifying software patches for installation on a computer system in which current versions of software applications installed on the computer system are identified as well as currently installed patches, products, and versions |
| 6477690 |
In-place repeater insertion methodology for over-the-block routed integrated circuits |
November 5, 2002 |
| A method and system for performing in-place insertion of interconnect repeaters in an integrated circuit is presented. The integrated circuit comprises a silicon layer and at least one interconnect layer layered over said silicon layer. Metal tracks are reserved on each of the interconne |
| 6477617 |
Method for performing atomic, concurrent read and write operations on multiple storage devices |
November 5, 2002 |
| A storage system for storing and retrieving data records. The system includes a storage medium, a controller, and a message log. The storage medium stores data records, the data records being indexed by addresses which specify the location of the data records in the storage medium. The |
| 6477602 |
Method and circuit for detecting the presence of a connector in a socket |
November 5, 2002 |
| The invention relates to the detection of the presence of a connector in a socket (10), the connector keeping a pin (13) of the socket to a a given level. The invention suggests to take advantage of this for detecting the presence of the connector, by trying to pull the pin to another-le |
| 6477519 |
Cellular array for implementing the set merging function |
November 5, 2002 |
| An iterative array of identical cells to implement a crossover function in a genetic algorithm. Each function cell receives two input values and two select values that determine which input value is outputted. By creating an array of these cells, two sets of information of any size can b |
| 6477139 |
Peer controller management in a dual controller fibre channel storage enclosure |
November 5, 2002 |
| A method and system for facilitating reliable and fault-tolerant operation of a multi-peripheral-device enclosure for use in high-availability computer systems by redundant interconnection of redundant processors within the multi-peripheral-device enclosure. The redundant interconnec |
| 6477058 |
Integrated circuit device package including multiple stacked components |
November 5, 2002 |
| An integrated circuit device package in accordance with the invention comprises a first land grid array (LGA) interposer socket positioned between, and in communication with, an LGA integrated circuit device and a first side of a first circuit board; a second LGA interposer socket po |
| 6477051 |
Socket activation interlock |
November 5, 2002 |
| A method and apparatus to encourage correct operator assembly and disassembly of a component in a socket, when the component has a heat dissipation device attached to a substrate. A first embodiment of the invention involves a method to assemble a component and a heat dissipation and |
| 6476999 |
Autochanger for storing and transferring multiple media items, such as tape cartridges, relative |
November 5, 2002 |
| An autochanger 10 for DAT cassettes 52 includes a 51/4 inch form factor housing 12 within which are arranged a tape drive mechanism 50, a magazine 70 for holding six DAT cassettes 52 and a transfer mechanism 13 for transporting DAT cassettes between the storage area 15 and the tape drive |
| 6476806 |
Method and apparatus for performing occlusion testing while exploiting frame to frame temporal c |
November 5, 2002 |
| A method and apparatus is provided for performing occlusion testing in a computer graphics display system. The apparatus comprises logic configured to determine whether or not an object of a current image frame was occluded in a previous image frame. If a determination is made that the |
| 6476795 |
Mouse recharging module |
November 5, 2002 |
| A portable computer system has a screen attached to a base housing having an accessory bay and a first wireless transceiver. The screen has a cursor positioned by a mouse having a second wireless transceiver in contact the first wireless transceiver of the portable computer. A module, ca |
