Patents by Inventor David Petersen

David Petersen 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).

  • Publication number: 20110279524
    Abstract: A maintenance apparatus for a media width printhead is provided. The printhead has rows of fluid ejection nozzles extending along the media width for ejecting fluid onto media as the media travels past the printhead along a media travel direction. The apparatus has a seal for sealing against the printhead surface having the nozzle rows and forming a sealed space about the nozzle rows, a wick element positioned within the seal for wicking fluid ejected by the nozzles from the sealed space, and an alignment mechanism for aligning the seal with the printhead so that a portion of an outer surface of the wick element sloped in the media travel direction closest to the printhead is positioned upstream with respect to a centerline along the length the nozzle rows and a portion of the sloped outer surface of the wick element furthest from the printhead is positioned downstream.
    Type: Application
    Filed: May 16, 2011
    Publication date: November 17, 2011
    Inventors: John Christian Love, Biagio Agostinelli, Antoni Murcia, David Tyvoll, Paul Daniel Faucher, Jeffrey Johnson, David Petersen
  • Publication number: 20110279536
    Abstract: A method of maintaining a printhead and the method having when printing with the printhea, translating a modular sled relative to the printhead so as to align a media platen module supported by the sled with the printhead after printing with the printing, translating the sled relative to the printhead so as to align a wiper module supported by the sled with the printhead and operating a wiper roller of the wiper module so as to wipe a printing face of the printhead; and after the wiping and prior to commencement of printing with the printhead, translating the sled relative to the printhead so as to align a capper module supported by the sled with the printhead so as to cap the printing face of the printhead.
    Type: Application
    Filed: May 16, 2011
    Publication date: November 17, 2011
    Inventors: John Christian Love, Biagio Agostinelli, Javier Escobedo, Antoni Murcia, David Tyvoll, Paul Daniel Faucher, Jeffrey Johnson, Jeffrey D. Lueschen, David Petersen, Antonio Joao Ubach
  • Patent number: 8045005
    Abstract: A video circuit including a video amplifier adapted to generate an amplified output video signal from an input video signal; a short detection circuit adapted to generate a first signal indicative of whether there is a short present at an output of the video amplifier; and a load detection circuit adapted to generate a second signal indicative of whether there is a load coupled to the output of the video amplifier. The video circuit may further include an input signal detection circuit adapted to generate a third signal indicative of whether an input video signal is present. The third signal generated by the input signal detection circuit may be used to enable the outputting of the first and second signals in order to prevent the false indication of faults at the output of the video amplifier in the absence of an input video signal.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: October 25, 2011
    Assignee: Maxim Integrated Products, Inc.
    Inventors: Ronald Bonshaw Koo, Michael David Petersen
  • Patent number: 8021392
    Abstract: Disclosed herein are methods and surgical kits that can be used to fuse facet joints via a minimally invasive procedure (including an arthroscopic or percutaneous procedure). An exemplary method includes creating an incision; locating a facet joint with a distal end of a pin; sliding a substantially hollow drill guide over said pin wherein said drill guide comprises a proximal end, a distal end; removing said pin from within said drill guide; inserting a drill bit into said drill guide; drilling a hole into a bone of said facet joint; removing said drill bit; inserting a facet joint bone plug into said hole using a bone plug inserter having a raised portion at or near is proximal end, wherein said raised portion prevents over-insertion of said bone plug; and removing said drill guide.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: September 20, 2011
    Assignee: minSURG International, Inc.
    Inventor: David A. Petersen
  • Patent number: 8014726
    Abstract: A method of collecting information on a wireless device. A wireless device may comprise a processor, a transceiver, a memory and a data collecting component. The data collecting component is operable to monitor the wireless device and collect information (e.g., wireless network information, wireless device information and wireless device usage information). In one embodiment, at least a portion of the data collecting component is installed within and/or below the operating system. For example, at least a portion of the data collecting component may be embedded within the operating system, the kernel, the firmware and/or on top of the firmware, the kernel or any combination thereof. In one embodiment, the collected information may be processed, stored and transmitted. Accordingly, the data collector component operates in a non-intrusive/transparent manner by utilizing less memory space and produces fewer errors without causing a system slowdown while maintaining high level of privacy and security.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: September 6, 2011
    Assignee: The Nielsen Company (U.S.), LLC
    Inventors: David Petersen, Padraig Stapleton
  • Patent number: 7998072
    Abstract: Methods, systems and probes communicate signals from a transducer for imaging or connection with an imaging system. Beamforming-related electronics are positioned in the connector housing of the transducer probe assembly. For example, analog-to-digital converters are positioned in the connector housing. Power is provided through connection with the ultrasound imaging system. Fans or other heat-dissipating structures are also positioned within the connector housing. Other beamformer electronics, such as delays and sums, are positioned in the imaging system, partly in the connector housing or entirely in the connector housing. Since the analog-to-digital converters are provided in the connector housing, partial digital beam forming may be provided in the transducer probe assembly. The length of the transducer cables is held constant to avoid interference and transmission line effects due to line-length variation.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: August 16, 2011
    Assignee: Siemens Medical Solutions USA, Inc.
    Inventors: Robert N. Phelps, John C. Lazenby, David A. Petersen
  • Patent number: 7941908
    Abstract: A plurality of application specific integrated circuit (ASIC) chips with different functions is provided. Each of the ASICs performs one or more functions along an ultrasound data path. The chips include communications protocols or processes for allowing scaling. For example, ASICs for backend processing include data exchange ports for communicating between other ASICs of the same type. As another example, receive beamformer ASICs cascade for beamformation. By providing ASICs implementing many or most of the ultrasound data path functions, with scalability, the same ASICs may be used for different system designs. A family of systems from high end to low-end using the same types of ASICs, but in different configurations, is provided.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: May 17, 2011
    Assignee: Siemens Medical Solutions USA, Inc.
    Inventors: Robert N. Phelps, David A. Petersen, John C. Lazenby
  • Patent number: 7837713
    Abstract: Disclosed herein are methods and surgical kits that can be used to fuse facet joints via a minimally invasive procedure (including an arthroscopic or percutaneous procedure). An exemplary method includes creating an incision; locating a facet joint with a distal end of a pin; sliding a substantially hollow drill guide over said pin wherein said drill guide comprises a proximal end, a distal end; removing said pin from within said drill guide; inserting a drill bit into said drill guide; drilling a hole into a bone of said facet joint; removing said drill bit; inserting a facet joint bone plug into said hole using a bone plug inserter having a raised portion at or near is proximal end, wherein said raised portion prevents over-insertion of said bone plug; and removing said drill guide.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: November 23, 2010
    Assignee: minSURG International, Inc.
    Inventor: David A. Petersen
  • Publication number: 20100268228
    Abstract: The present invention relates generally to tools, tool kits and methods useful for treating an SI joint. In one embodiment, the present invention is a. In one embodiment, the present invention is a method including the steps of: implanting a graft into a SI joint of a patient, wherein the implanting comprises: creating an incision in the patient's skin proximal to the patient's SI joint; dilating the incision; creating a void in the SI joint, wherein the creating comprises displacing a portion of the patient's ilium and a portion of the patient's sacrum; and inserting a graft into the void in the SI joint, wherein the graft contacts the patient's iluim and the patient's sacrum and wherein the graft is configured to substantially fuse the patient's ilium to the patient's sacrum, thereby substantially immobilizing the patient's SI joint.
    Type: Application
    Filed: March 19, 2010
    Publication date: October 21, 2010
    Applicant: minSURG International, Inc.
    Inventor: David A. Petersen
  • Publication number: 20100235495
    Abstract: Mechanisms and methods for reducing a load on a multi-tenant database are provided. These mechanisms and methods for reducing a load on a multi-tenant database can enable a reduction in the computational effort expended to handle login requests with invalid usernames and the computational effort expended to handle valid login requests that occur at a high rate. The ability to provide a reduction in computational effort expended on login requests can enable a providing of a reliable level of resources to users and tenants of the multi-tenant database.
    Type: Application
    Filed: September 10, 2009
    Publication date: September 16, 2010
    Applicant: salesforce.com, Inc.
    Inventors: David Petersen, Daniel Soble
  • Patent number: 7794400
    Abstract: Element mapping and transmission of continuous waves are provided ultrasound imaging. For use with multiple dimensional or large arrays, the number of receive beamformer channels or associated cables connecting the transducer array to the receive beamformer may be limited. Subarrays of signals from different elements associated with similar phasing are combined without switching. The combined subarray signals are then received beamformed to generate a continuous wave image. Receive channels without clocking or beamforming prior to a steered continuous wave Doppler beamformer maximize dynamic range and reduce the power consumption. For further or different optimization of steering continuous waves, low voltage transmitters separate from high voltage transmitters are provided for a plurality of elements.
    Type: Grant
    Filed: February 26, 2004
    Date of Patent: September 14, 2010
    Assignee: Siemens Medical Solutions USA, Inc.
    Inventors: Robert N. Phelps, David A. Petersen
  • Publication number: 20100222829
    Abstract: A frustum shaped body has an aperture in a top surface and a pair of first and second opposed apertures in a side surface, first and second horizontal internal channels connect both the first and second opposed apertures. A vertical channel from the top aperture connects with the first and second channels. After the body is inserted into a hole in a facet joint, compatible synthetic or biologic material is inserted into the vertical channel until the material exits from the first and second apertures in the side surface. At least one pair of flanges on a portion of an exterior side surface of the body acts as a detent to hold the body in place within the facet joint hole.
    Type: Application
    Filed: March 8, 2010
    Publication date: September 2, 2010
    Inventor: David A. Petersen
  • Patent number: 7708761
    Abstract: A frustum shaped body has an aperture in a top surface and a pair of first and second opposed apertures in a side surface, first and second horizontal internal channels connect both the first and second opposed apertures. A vertical channel from the top aperture connects with the first and second channels. After the body is inserted into a hole in a facet joint, compatible synthetic or biologic material is inserted into the vertical channel until the material exits from the first and second apertures in the side surface. At least one pair of flanges on a portion of an exterior side surface of the body acts as a detent to hold the body in place within the facet joint hole.
    Type: Grant
    Filed: September 22, 2005
    Date of Patent: May 4, 2010
    Assignee: minSURG International, Inc.
    Inventor: David A. Petersen
  • Publication number: 20100073485
    Abstract: A video circuit including a video amplifier adapted to generate an amplified output video signal from an input video signal; a short detection circuit adapted to generate a first signal indicative of whether there is a short present at an output of the video amplifier; and a load detection circuit adapted to generate a second signal indicative of whether there is a load coupled to the output of the video amplifier. The video circuit may further include an input signal detection circuit adapted to generate a third signal indicative of whether an input video signal is present. The third signal generated by the input signal detection circuit may be used to enable the outputting of the first and second signals in order to prevent the false indication of faults at the output of the video amplifier in the absence of an input video signal.
    Type: Application
    Filed: November 23, 2009
    Publication date: March 25, 2010
    Applicant: MAXIM INTEGRATED PRODUCTS, INC.
    Inventors: Ronald Bonshaw Koo, Michael David Petersen
  • Patent number: 7675544
    Abstract: A video circuit including a video amplifier adapted to generate an amplified output video signal from an input video signal; a short detection circuit adapted to generate a first signal indicative of whether there is a short present at an output of the video amplifier; and a load detection circuit adapted to generate a second signal indicative of whether there is a load coupled to the output of the video amplifier. The video circuit may further include an input signal detection circuit adapted to generate a third signal indicative of whether an input video signal is present. The third signal generated by the input signal detection circuit may be used to enable the outputting of the first and second signals in order to prevent the false indication of faults at the output of the video amplifier in the absence of an input video signal.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: March 9, 2010
    Assignee: Maxim Integrated Products, Inc.
    Inventors: Ronald Bonshaw Koo, Michael David Petersen
  • Patent number: 7631681
    Abstract: A portable tire bead breaker comprising a plurality of elements which can be disassembled to form a compact kit. Includes a base over which a tire and rim may be placed, a support member, and a lever arm. Also included is a plunger member configured to engage the tire and break the bead thereon. To break a tire bead, the elements are assembled and a force is extended upon the lever arm, engaging the plunger member upon the tire and creating sufficient force against the tire in opposition to the rim to disassociate therefrom. The tire bead breaker can be disassembled into a compact unit for storage and transportation.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: December 15, 2009
    Inventor: David Petersen
  • Publication number: 20090234397
    Abstract: Disclosed herein are methods and surgical kits that can be used to fuse facet joints via a minimally invasive procedure (including an arthroscopic or percutaneous procedure). An exemplary method includes creating an incision; locating a facet joint with a distal end of a pin; sliding a substantially hollow drill guide over said pin wherein said drill guide comprises a proximal end, a distal end; removing said pin from within said drill guide; inserting a drill bit into said drill guide; drilling a hole into a bone of said facet joint; removing said drill bit; inserting a facet joint bone plug into said hole using a bone plug inserter having a raised portion at or near is proximal end, wherein said raised portion prevents over-insertion of said bone plug; and removing said drill guide.
    Type: Application
    Filed: March 13, 2009
    Publication date: September 17, 2009
    Inventor: David A. Petersen
  • Patent number: D600809
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: September 22, 2009
    Assignee: Orthopedic Development Corporation
    Inventor: David A. Petersen
  • Patent number: D603045
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: October 27, 2009
    Assignee: Orthopedic Development Corporation
    Inventor: David A. Petersen
  • Patent number: D603502
    Type: Grant
    Filed: December 3, 2007
    Date of Patent: November 3, 2009
    Assignee: Orthopedic Development Corporation
    Inventor: David A Petersen