Patents by Inventor David Pih

David Pih 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: 20220378505
    Abstract: A medical laser system for outputting laser pulses includes at least one laser cavity configured to generate at least one laser pulse, a rotating mirror configured to receive and reflect the at least one laser pulse, a beam splitter configured to receive and reflect a portion of the at least one laser pulse received from the rotating mirror, an energy-sensing device configured to detect the portion of the at least one laser pulse, an energy measurement assembly configured to generate a feedback signal based on the portion of the at least one laser pulse detected by the energy-sensing device, and a controller configured to generate an electronic control pulse based on the feedback signal received from the energy measurement assembly to generate at least one adjusted laser pulse.
    Type: Application
    Filed: May 20, 2022
    Publication date: December 1, 2022
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Baocheng YANG, Xirong YANG, Peter BULL, Brian CHENG, Rongwei Jason XUAN, Jian James ZHANG, Thomas Charles HASENBERG, David PIH
  • Publication number: 20220376459
    Abstract: A medical laser system for outputting laser pulses includes at least one laser cavity configured to generate at least one laser pulse, a rotating mirror configured to receive and reflect the at least one laser pulse, a beam splitter configured to receive and reflect a portion of the at least one laser pulse received from the rotating mirror, an energy-sensing device configured to detect the portion of the at least one laser pulse, an energy measurement assembly configured to generate a measurement signal based on the portion of the at least one laser pulse detected by the energy-sensing device, and a controller. The controller may include a calibration module. The calibration module may be configured to generate at least one categorized calibration table, determine calibration parameters, interpolate the calibration parameters, and cause the at least one laser cavity to generate at least one calibrated laser pulse.
    Type: Application
    Filed: May 20, 2022
    Publication date: November 24, 2022
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Baocheng YANG, David PIH, Xirong YANG, Peter BULL, Brian CHENG, Rongwei Jason XUAN, Jian James ZHANG, Thomas Charles HASENBERG
  • Publication number: 20220370129
    Abstract: A medical laser system for outputting laser pulses includes at least one laser cavity, a rotating mirror, a user interface, and a controller. The controller is configured to receive at least one laser parameter associated with a laser pulse output by the system. The controller is configured to determine an average power level of the laser pulse based on the at least one laser parameter associated with the laser pulse. The controller is configured to determine a pulse width modulation (PWM) control signal based on at least one laser parameter. The controller is configured to generate the laser pulse based on the average power level and the PWM control signal, the laser pulse comprising at least one of a first shape, a second shape, or a third shape. Each of the first shape, the second shape, and the third shape of the laser pulse includes different pulse widths.
    Type: Application
    Filed: May 20, 2022
    Publication date: November 24, 2022
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Baocheng YANG, Xirong YANG, Brian CHENG, Peter BULL, Rongwei Jason XUAN, Jian James ZHANG, Thomas Charles HASENBERG, David PIH
  • Patent number: 9468718
    Abstract: A pump system and method of detecting/alerting for a possible unintended free flow condition in an administration set includes the steps of a) sampling force signals from a force sensor of the pump at a predetermined frequency; b) storing each of the sampled forces signal in a N-point circular buffer, where N is an integer greater than two; c) calculating a derivative dF/dt based on the two most recent samples; d) repeating step c) and when the most recently calculated derivative dF/dt exceeds a first predetermined threshold, then calculating a N-point moving average of the derivatives dF/dt; and f) when the N-point moving average exceeds a second predetermined threshold, generating a user perceptible alarm to alert the user that a flow stop open condition may have occurred.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: October 18, 2016
    Assignee: Hospira, Inc.
    Inventors: David Tseng Ho Hung, David Pih, Purushottam Amarnath Patil, John Michael Wyatt, Vincent James DeFrank
  • Publication number: 20140074030
    Abstract: A pump system and method of detecting/alerting for a possible unintended free flow condition in an administration set includes the steps of a) sampling force signals from a force sensor of the pump at a predetermined frequency; b) storing each of the sampled forces signal in a N-point circular buffer, where N is an integer greater than two; c) calculating a derivative dF/dt based on the two most recent samples; d) repeating step c) and when the most recently calculated derivative dF/dt exceeds a first predetermined threshold, then calculating a N-point moving average of the derivatives dF/dt; and f) when the N-point moving average exceeds a second predetermined threshold, generating a user perceptible alarm to alert the user that a flow stop open condition may have occurred.
    Type: Application
    Filed: September 6, 2013
    Publication date: March 13, 2014
    Inventors: David Tseng Ho Hung, David Pih, Purushottam Amarnath Patil, John Michael Wyatt, Vincent James DeFrank
  • Patent number: 6177805
    Abstract: A test connector for making electrical tests on a disk drive on a high volume manufacturing line. The test connector comprises a high density connector header for electrical connection to a disk drive electrical connector fixed to a printed circuit board (PCB) card having well-separated, large area contact pads electrically connected to the contacts on the connector header. The well-separated, large area contact pads on the test connector provide contact points for test probes from automated testers on the manufacturing line. Use of the test connector with its well-separated, large area contacts increases the reliability of electrical testing procedures with automated testers by reducing accidental shorting between test probes and by increasing contact alignment tolerances.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: January 23, 2001
    Assignee: International Business Machines Corporation
    Inventor: David Pih