Patents Assigned to Hewlett-Packard Development
  • Publication number: 20190056299
    Abstract: An enzymatic sample purifier comprises a reaction chamber containing an enzyme, a product chamber and a separator. The reaction chamber has a port to receive a sample comprising a protein degradation product. The separator retains polypeptides resulting from reaction of the protein degradation product with the enzyme in the reaction chamber and facilitates transport of purified remaining portions of the sample comprising a target analyte to the product chamber.
    Type: Application
    Filed: February 29, 2016
    Publication date: February 21, 2019
    Applicant: Hewlett-Packard Development
    Inventors: Viktor SHKOLNIKOV, Anita ROGACS
  • Patent number: 7819615
    Abstract: A method of finishing a plurality of sheets for a bound document. The method comprises accumulating a stack of sheets at a first position, scoring the sheets at the first position, and outputting the stack of scored sheets from the first position.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: October 26, 2010
    Assignee: Hewlett-Packard Development
    Inventors: Steven William Trovinger, Miquel Boleda, Abdolreza Movaghar, Greg Burke, Eng-Long Goh
  • Publication number: 20090028487
    Abstract: A micro-ring configured to selectively detect or modulate optical energy includes at least one annular optical cavity; at least two electrodes disposed about the optical cavity configured to generate an electrical field in the at least one optical cavity; and an optically active layer optically coupled to the at least one optical cavity. A method of manipulating optical energy within a waveguide includes optically coupling at least one annular optical cavity with the waveguide; and selectively controlling an electrical field in the at least one annular optical cavity to modulate optical energy from the waveguide.
    Type: Application
    Filed: July 27, 2007
    Publication date: January 29, 2009
    Applicant: Hewlett-Packard Development
    Inventors: David A. Fattal, Charles M. Santori, Raymond G. Beausoleil, Marco Fiorentino, Theodore I. Kamins
  • Publication number: 20050185313
    Abstract: A data reader arranged to produce a signal on reading a data holding medium (4), said data reader comprising processing circuitry (8) arranged to process said signal, said processing circuitry including a filter (14) having a variable cut-off frequency (Fc), a velocity signal generator (23) arranged to produce a signal (21) corresponding to the velocity of the data holding medium (4), and a processor (22), said processor (22) being arranged to read the velocity signal (21) and set the cut-off frequency (Fc) of the filter (14). The data reader is generally arranged to be incorporated into a tape drive (2) arranged to be used as a computer data storage device.
    Type: Application
    Filed: April 22, 2005
    Publication date: August 25, 2005
    Applicant: HEWLETT-PACKARD DEVELOPMENT
    Inventors: Peter Walsh, Rafel Jibry
  • Publication number: 20050177766
    Abstract: Each processor in a distributed multi-processor environment maintains a set of connectivity condition scores. The connectivity condition scores are then passed to a pruning process with tie-breaker logic that selects certain of the processors to include in the new system configuration. The surviving processors are selected based on primary connectivity information and secondary processor connectivity condition scores. The result of the pruning/tie-breaker process is transmitted to all of the surviving processors, which continue to maintain connectivity information that can be used in the next regroup incident.
    Type: Application
    Filed: January 14, 2004
    Publication date: August 11, 2005
    Applicant: Hewlett-Packard Development
    Inventors: Man-Ho Lee, Kousik Bera, Marcelo de Azevedo
  • Patent number: 6771187
    Abstract: This invention relates to printing stations. Such structures of this type, generally, proved for a printing station to be located in the back of mass transit vehicle seats such that the mass transit rider can be able to view and subsequently print that viewed information.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: August 3, 2004
    Assignee: Hewlett-Packard Development
    Inventor: Kevin Lloyd Falk
  • Patent number: 6682167
    Abstract: A method for reducing a servicing noise is provided. In a measuring action, a servicing position is measured using a full pushing force of an actuator applied to a service station. In a disengaging action, the actuator is disengaged from the service station. In a reducing action, the pushing force is reduced to a minimum value. In an engaging action, the service station is engaged with the actuator. In a monitoring action, a position of the actuator is monitored during the engagement. In a comparing action, the actuator position is compared to the stored servicing position. In an increasing action, the pushing force is increased for future engagements if the servicing position has not been reached. A printing mechanism configured to employ such a method is also provided.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: January 27, 2004
    Assignee: Hewlett-Packard Development
    Inventors: Robert D. Davis, Mike Burton, Bruce A. Axten, Jafar N. Jefferson, Daniel J. Magnusson
  • Patent number: D478082
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: August 5, 2003
    Assignee: Hewlett-Packard Development
    Inventors: Modest Khovaylo, Scott Henderson, Przemyslaw Godycki
  • Patent number: D478331
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: August 12, 2003
    Assignee: Hewlett-Packard Development
    Inventors: Modest Khovaylo, Scott Henderson, Przemyslaw Godycki