Patents by Inventor David A. Gibson

David A. Gibson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6575562
    Abstract: Inkjet printhead chips comprise a substrate, a plurality of transducers, a plurality of interconnects and driver circuitry capable of electrically connecting the transducers and the interconnects. The substrate has a surface with opposing first and second edges, with a plurality of transducers arranged along the first edge and a plurality of interconnects arranged along the second edge. The driver circuitry is arranged on the substrate. The printhead chips can also be included in inkjet printhead chip assemblies wherein the printhead chip is arranged on a print surface of a body, and wherein the print surface is capable of being arranged generally parallel to a surface of a print-receiving medium. In this embodiment, an edgefeed is disposed between the first edge and the printhead body, and is in fluid communication with an ink reservoir.
    Type: Grant
    Filed: November 16, 1999
    Date of Patent: June 10, 2003
    Assignee: Lexmark International, Inc.
    Inventors: Frank Edward Anderson, Bruce David Gibson
  • Publication number: 20030091204
    Abstract: A method and apparatus for mixing audio signals. Each audio signal is digitized and then transformed into a predefined visual image, which is displayed in a three-dimensional space. Audio effects added to the audio signals are transformed into predefined visual effects images, which are also displayed in a three-dimensional space. Selected audio characteristics of the audio signal, such as frequency, amplitude, time and spatial placement, are correlated to selected visual characteristics of the visual image, such as size, location, texture, density and color. Dynamic changes or adjustment to any one of these parameters, or parameters of the audio effect images, causes a corresponding change in the correlated parameter or audio effect.
    Type: Application
    Filed: December 2, 2002
    Publication date: May 15, 2003
    Inventor: David A. Gibson
  • Patent number: 6520729
    Abstract: Apparatus is provided for transporting a load from a source to a destination. The apparatus includes a freight container (1) which has a plurality of cells (7) each for containing a discrete load and a conveyor (10) for conveying loads between cells (7). Plural discrete loads are loaded into the container (1). The loads are allocated amongst the cells (7) according to the destinations of the individual loads and then each individual load is conveyed to its allocated cell (7).
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: February 18, 2003
    Assignee: 3rd Planet Solutions Limited
    Inventor: David A. Gibson
  • Publication number: 20030022335
    Abstract: The invention provides an NDO or NDO related complex comprising at least one alpha-subunit polypeptide that comprises: 1) a substituted amino acid at the position corresponding to position 352 in NDO, 2) a substituted amino acid at the position corresponding to position 201, 202, 260, 316, 351, 358, 362, or 366 in NDO, or 3) a substituted amino acid at the position corresponding to position 352 in NDO, and a substituted amino acid at the position corresponding to position 201, 202, 260, 316, 351, 358, 362, or 366 in NDO; or a catalytically active fragment thereof. The invention also provides DNA encoding such polypeptides, host cells augmented by such DNA, and methods for using the enzymes or host cells to provide useful and novel synthons. The invention also provides novel compounds prepared with the complexes or methods of the invention.
    Type: Application
    Filed: April 26, 2001
    Publication date: January 30, 2003
    Inventors: Rebecca Parales, David Gibson, Sol Resnick, Kyoung Lee
  • Patent number: 6490359
    Abstract: A method and apparatus for mixing audio signals. Each audio signal is digitized and then transformed into a predefined visual image, which is displayed in a three-dimensional space. Audio effects added to the audio signals are transformed into predefined visual effects images, which are also displayed in a three-dimensional space. Selected audio characteristics of the audio signal, such as frequency, amplitude, time and spatial placement, are correlated to selected visual characteristics of the visual image, such as size, location, texture, density and color. Dynamic changes or adjustment to any one of these parameters, or parameters of the audio effect images, causes a corresponding change in the correlated parameter or audio effect.
    Type: Grant
    Filed: June 17, 1998
    Date of Patent: December 3, 2002
    Inventor: David A. Gibson
  • Publication number: 20020151111
    Abstract: A semiconductor chip mounting component includes a support having a top surface, a bottom surface, a central portion, a peripheral portion surrounding the central portion, and a gap extending through the support structure between the top and bottom. The component includes a plurality of electrically conductive leads, each lead having a connection section extending across the gap, the connection section having a first end disposed on the support structure on one side of the gap, a second end secured to the support structure on an opposite side of the gap, and a frangible section between the first and second ends. The component also includes at least one elongated bus disposed on the peripheral portion of the support structure alongside the gap, whereby each lead extends across the gap and is connected to the bus.
    Type: Application
    Filed: June 5, 2002
    Publication date: October 17, 2002
    Applicant: Tessera, Inc.
    Inventors: Thomas H. DiStefano, Gary W. Grube, Igor Y. Khandros, Gaetan Mathieu, Jason Sweis, Laurie Union, David Gibson
  • Patent number: 6357960
    Abstract: A Non-Protrusive Expandable Clamping Device fastens together two bodies when conventional fastening devices cannot be used because of the unique space constraints and/or the shape of the joining surfaces of the bodies. The expandable clamping device, which has two tenons on opposite sides of its housing, can be slid into the bodies that have corresponding mortises on their joining surfaces to accommodate the tenons. The clamping device connects the bodies in one linear plane using motion in an orthogonal plane. When the clamping process is completed, facilitated by the rotational motion of a threaded bolt within the cavity inside the housing, what results is a joint that is strong in all directions as well as flush and airtight between the surfaces when an appropriate gasket or O-ring is utilized. Such a joint ensures proper alignment of the bodies while providing fixity in six degrees of freedom.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: March 19, 2002
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Charles S. Cornelius, David A. Gibson, Bob R. Hurst
  • Patent number: 6296350
    Abstract: An ink jet printing apparatus is provided comprising a print cartridge including at least one resistive heating element in at least one ink-containing chamber having an orifice. The apparatus further includes a driver circuit, electrically coupled to the print cartridge, for applying to the resistive heating element warming and firing pulses separated by a delay period. The warming pulse causes the resistive heating element to warm a portion of the ink adjacent to the heating element and the firing pulse causes the resistive heating element to produce a vapor bubble in the chamber which causes a droplet of ink to be ejected from the chamber orifice.
    Type: Grant
    Filed: March 25, 1997
    Date of Patent: October 2, 2001
    Assignee: Lexmark International, Inc.
    Inventors: Robert Wilson Cornell, Bruce David Gibson
  • Patent number: 6281908
    Abstract: A method of printing with an ink jet printer compensates for skewed printing on a print medium An image area is defined on the print medium that has a plurality of rows of pixel locations and a plurality of columns of pixel locations. A printhead includes a plurality of vertically adjacent ink emitting orifices arranged in an array having a height. The printhead is scanned during first and second scans across the print medium in a direction transverse to the advance direction. The ink is jetted onto the print medium from the ink emitting orifices during the first and second scans at selected ink dot placement locations generally corresponding to one of the columns of pixel locations An offset is determined in a transverse direction between a bottom ink dot placement location associated with the first scan and a top ink dot placement location associated with the second scan.
    Type: Grant
    Filed: April 15, 1999
    Date of Patent: August 28, 2001
    Assignee: Lexmark International, Inc.
    Inventors: Bruce David Gibson, Kent Lee Ubellacker
  • Patent number: 6274896
    Abstract: A drive transistor for an ink jet print head includes a semiconductor substrate having a serpentine channel of a first type doping, the channel comprising substantially parallel first and second serpentine channel portions, the first and second serpentine channel portions defining an inner region disposed between the first and second serpentine channel portions and an outer region disposed outside the first and second serpentine channel portions. A drain of a second type doping which is disposed within the inner region. A source of a second type doping which is disposed within the outer region. The transistor has a serpentine gate that overlies the serpentine channel. An elongate drain conductor, which tapers from a wide drain conductor end to a narrow drain conductor end, at least partially overlies a portion of the drain and the serpentine channel. An elongate source conductor has two tapered source conductor portions that at least partially overly the source and the serpentine channel.
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: August 14, 2001
    Assignee: Lexmark International, Inc.
    Inventors: Bruce David Gibson, George Keith Parish
  • Patent number: 6203049
    Abstract: A terrain following hitch which mounts on a tractor draw bar by a pin, and which allows an implement being towed to move in three planes, independent of the tractor. The hitch includes three hinges, and a draw bar attachment tube which fits over the draw bar of a tractor, and transmits force to the walls of the draw bar, instead of into the pin and pin holes. The hitch reduces wear on implements and hitch connections.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: March 20, 2001
    Inventor: David A. Gibson
  • Patent number: 6176569
    Abstract: An apparatus addresses ink jet heating elements based on image data to cause ejection of ink droplets toward a print medium. The apparatus includes a controller for generating address signals, power signals, and first and second bank signals. The first and second bank signals, which are carried on first and second bank lines, alternate between on and off states. The first bank signal is off when the second bank signal is on, and the second bank signal is off when the first bank signal is on. The apparatus has m address lines and n power lines connected to the controller for carrying the address signals and the power signals. A print head has m×n number of first driver circuits, each of which is connected to the first bank line and to a corresponding one of the m address lines. The first driver circuits enable flow of a first driving current when the first bank signal and the address signal are simultaneously on on the first bank line and the corresponding address line.
    Type: Grant
    Filed: August 5, 1999
    Date of Patent: January 23, 2001
    Assignee: Lexmark International, Inc.
    Inventors: Frank Edward Anderson, Bruce David Gibson, George Keith Parish, Thomas Jon Eade
  • Patent number: 6161916
    Abstract: An ink jet print head identification system for providing print head identifying information to the electronics of an ink jet printer includes one or more parallel load, serial out, dynamic shift registers integrated into a print head chip having a plurality of address lines interconnecting the printer electronics and the print head electronics. The memory input of each shift register is electrically connected to a memory matrix that supplies digital bits of information to the shift register in response to receiving a decode signal function from the printer electronics. In a preferred embodiment, two of the address lines provide each of the registers with successive sequential clock signals to serially shift the bit of information received from the shift register's corresponding memory matrix to an output line where the print head identifying information is read by the printer electronics.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: December 19, 2000
    Assignee: Lexmark International, Inc.
    Inventors: Bruce David Gibson, George Keith Parish
  • Patent number: 6158843
    Abstract: A nozzle plate for a printhead of a thermal inkjet printer having a thickness sufficient to provide a plurality of nozzle holes above a plurality of firing chambers. Ink supply channels, for feeding ink to the firing chambers, are connected to an ink supply region and the nozzle plate has a plurality of projections sufficient to filter ink entering the supply channels from the supply region.
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: December 12, 2000
    Assignee: Lexmark International, Inc.
    Inventors: Ashok Murthy, Steven Robert Komplin, Robert Wilson Cornell, James Harold Powers, Bruce David Gibson
  • Patent number: 6133229
    Abstract: A protein stabilizer additive comprises two or more of a tris compound of the formula (1): (HOCH.sub.2).sub.3 --C--R, wherein R is: C.sub.1 -C.sub.4 alkyl, substituted C.sub.1 -C.sub.4 alkyl, NH.sub.2 ; NR.sup.1 R.sup.2 wherein R.sup.1 and R.sup.2 may be independently: H, C.sub.1 -C.sub.4 alkyl sulphonate, C.sub.1 -C.sub.4 hydroxyalkyl sulphonate; C.sub.1 -C.sub.4 alkyl NHC(CH.sub.2 OH).sub.3, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 hydroxyalkyl; C.sub.1 -C.sub.4 alkyl carboxylate; a polyelectrolyte; a buffer; and one or more additional components for example divalent metal salts.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: October 17, 2000
    Assignee: The University of Leeds Innovations, Ltd.
    Inventors: Timothy David Gibson, Barry L. Pierce, Jeanette Irene Webster
  • Patent number: 6102515
    Abstract: The invention is directed to an ink jet printer including a printhead and a printhead driver. The printhead includes a substrate, a nozzle plate having a plurality of ink emitting orifices, a plurality of jetting heaters on the substrate and respectively associated with the plurality of ink emitting orifices, and at least one substrate heater associated with the substrate. Each of the jetting heaters and the substrate heaters include first and second terminals. The printhead driver has a plurality of energizable outputs including at least one power line output and at least two enable line outputs. One power line output is electrically connected to a first terminal of each of a jetting heater and a substrate heater. Two of the enable line outputs are coupled to a second terminal of the jetting heater and a second terminal of the substrate heater.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: August 15, 2000
    Assignee: Lexmark International, Inc.
    Inventors: Mark Joseph Edwards, Bruce David Gibson, George Keith Parish
  • Patent number: 6102516
    Abstract: A fiducial system is provided for use during an alignment inspection of first and second adjacent elements. The fiducial system comprises an inspection opening in the second element. It further comprises first and second fiducial portions on the first element positioned and sized to provide an accurate indication when viewed through the inspection opening of whether the second element is properly positioned relative to the first element regardless of the size of the inspection opening as long as the opening has a size greater than or equal to a lower limit dimension. The first element may comprise an ink jet printhead heater chip and the second element may comprise an ink jet printhead nozzle plate.
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: August 15, 2000
    Assignee: Lexmark International, Inc.
    Inventor: Bruce David Gibson
  • Patent number: 6081280
    Abstract: Method and apparatus for inhibiting electrically induced ink build-up on flexible, integrated circuit connecting leads, for thermal ink jet printer heads is disclosed, and relates to a thermal ink jet printer having a print head comprising an integrated circuit chip, a nozzle plate including a plurality of ink ejecting nozzles therein and overlying a heater resistor for each of the nozzles. Each of the associated heater resistors has associated active circuitry on the chip. On the chip there are a plurality of auxiliary functions requiring power, for example a substrate (silicon chip) heater, a shift register containing print head identification, fault detection circuit connections, etc.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: June 27, 2000
    Assignee: Lexmark International, Inc.
    Inventors: John Philip Bolash, Thomas Jon Eade, Mark Joseph Edwards, Bruce David Gibson
  • Patent number: 6081035
    Abstract: An improved bond ribbon design, said bond ribbon having a dual taper that functions to localize the bending along a predetermined distribution of the bond ribbon during the bonding of the bond ribbon to an associated contact of a semiconductor chip. Use of the dual-tapered bond ribbons during bonding provides a bonded bond ribbon having a form that is substantially s-shaped. The radii of curvature making out the curves of the s-shaped configuration can be predetermined and controlled by the length and taper of the individual tapered section. The improved bond ribbon further comprises an anchor pad, said anchor pad characterized by a large surface area that decreases the likelihood of delamination of it from a supporting dielectric structure.
    Type: Grant
    Filed: October 24, 1996
    Date of Patent: June 27, 2000
    Assignee: Tessera, Inc.
    Inventors: Michael Warner, Thomas H. Distefano, David Gibson
  • Patent number: 6054756
    Abstract: A connection component for electrically connecting a semiconductor chip to a support substrate incorporates a preferably dielectric supporting structure defining gaps. Leads extend across these gaps so that the leads are supported on both sides of the gap. The leads therefore can be positioned approximately in registration to contacts on the chip by aligning the connection component with the chip. Each lead is arranged so that one end can be displaced relative to the supporting structure when a downward force is applied to the lead. This allows the leads to be connected to the contacts on the chip by engaging each lead with a tool and forcing the lead downwardly against the contact. Preferably, each lead incorporates a frangible section adjacent one side of the gap connecting one end of the lead connection section to a bus extending alongside the gap. The frangible section is broken when the lead is engaged with the contact.
    Type: Grant
    Filed: March 15, 1999
    Date of Patent: April 25, 2000
    Assignee: Tessera, Inc.
    Inventors: Thomas H. DiStefano, Gary W. Grube, Igor Y. Khandros, Gaetan Mathieu, Jason Sweis, Laurie Union, David Gibson