Patents by Inventor Thomas H Tu

Thomas H Tu 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: 9432828
    Abstract: A system and method for providing emergency vehicle services is provided. The method includes detecting an emergency condition including a vehicle crash and/or rollover, determining if a vehicle telematics unit is available, and initiating an emergency communication using one or more wireless devices present in the vehicle if the vehicle telematics unit is unavailable.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: August 30, 2016
    Assignee: GM Global Technology Operations LLC
    Inventors: Thomas H. Tu, Thomas J. Stacey, Daniel R. Saylor
  • Publication number: 20160146128
    Abstract: A vehicle control system and a method for extending the availability of certain vehicle systems that require mechanical output from an engine, such as power-assisted steering, braking, and vehicle acceleration following an unintended ignition event. In one embodiment, the method overrides ignition signals indicating an inactive ignition status and keeps the engine running if certain conditions are met. In another embodiment, the method attempts to automatically restart the engine while the vehicle is moving if the engine stops running, so long as certain conditions are met.
    Type: Application
    Filed: November 25, 2014
    Publication date: May 26, 2016
    Inventors: Thomas H. Tu, Thomas J. Stacey, Daniel R. Saylor
  • Patent number: 8165744
    Abstract: A method for controlling for improper installation of sensors of a vehicle is provided. The method comprises the steps of determining a first indication of direction based at least in part on a yaw value, determining a second indication of direction based at least in part on a steering angle value, and changing the second indication of direction, if the first indication of direction and the second indication of direction are inconsistent with one another.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: April 24, 2012
    Assignee: GM Global Technology Operations LLC
    Inventors: Thomas H. Tu, Steven R. Abram, Paul S. Shaub
  • Publication number: 20090240393
    Abstract: A method for controlling for improper installation of sensors of a vehicle is provided. The method comprises the steps of determining a first indication of direction based at least in part on a yaw value, determining a second indication of direction based at least in part on a steering angle value, and changing the second indication of direction, if the first indication of direction and the second indication of direction are inconsistent with one another.
    Type: Application
    Filed: March 19, 2008
    Publication date: September 24, 2009
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: Thomas H. Tu, Steven R. Abram, Paul S. Shaub
  • Publication number: 20080266073
    Abstract: A method for monitoring the fill-up of a vehicle tire to the cold inflation pressure recommended for a cold tire condition. The method includes establishing a calibration temperature that corresponds to temperature of air in a cold tire condition, determining that air is being added to the tire, measuring the temperature of the air in the tire and adjusting the measured tire pressure to compensate for the difference between the measured temperature and the calibration temperature corresponding to a cold inflation temperature, comparing the adjusted pressure with the manufacturer's recommended pressure cold inflation pressure to determine that the recommended tire pressure has been obtained and generating a signal cognizable by the operator outside the vehicle so that the operator will cease filling the tire when the pressure is obtained.
    Type: Application
    Filed: April 25, 2007
    Publication date: October 30, 2008
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: Thomas H. Tu, James L. Duffy
  • Patent number: 7215238
    Abstract: Methods and apparatus are provided for a combined vehicle keyless entry and garage door (GD) opener fob. The fob comprises a receiver, transmitter, processor, memory, user activated function switches, and preferably a display. In a GD function learn mode, the fob memorizes the signal parameters of a GD activate signal received directly from a nearby GD opener. In the normal GD operate mode, the fob transmits a replica of the GD activate signal using the learned signal parameters stored in the memory. The optional display preferably tells the user that the learn mode is active, prompts the user to operate the nearby GD opener during the learn mode, indicates whether the learn operation was successful or not and shows when the fob has returned to normal (non-learn mode) operation. The GD modes of the fob are entirely self-contained and do not depend upon the vehicle electronics system.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: May 8, 2007
    Assignee: General Motors Corporation
    Inventors: M. Scott Buck, Thomas H Tu
  • Patent number: 7030745
    Abstract: Methods and apparatus are provided for detecting when a spare wheel (SP) is used to replace a previously rolling wheel on a vehicle, where each wheel can transmit wheel ID and motion status signals. The apparatus comprises a receiver, a memory for storing information relating wheel ID and location, a processor coupled to the receiver and memory for analyzing the wheel signals to determine if the SP is rolling, and a timer coupled to the processor that measures how long the SP has been rolling. When the SP has been rolling for predetermined time T, the processor looks at the motion status signals from remaining wheels to determine which is stopped, and then modifies the information stored in the memory to associate the SP ID with the wheel location formerly occupied by the now stopped wheel and associate the stopped-wheel ID with the storage location for the spare.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: April 18, 2006
    Assignee: General Motors Corporation
    Inventors: Thomas E. Utter, Mark A Walters, Ryan M. Frakes, Thomas H Tu, M. Scott Buck, David A. Osinski
  • Patent number: 7002455
    Abstract: Methods and apparatus are provided for relearning associations between tire pressure detectors and tire locations on an automobile. An apparatus comprises tire pressure detectors installed on each wheel having a tire, each configured to transmit a unique identification code in response to a tire pressure change greater than a predetermined magnitude in a predetermined time. The apparatus also includes a monitor having a receiver for receiving and a memory for storing the transmitted identification codes and a processor for associating the identification codes with predetermined locations. A method comprises exciting the tire pressure detectors in a predetermined sequence while monitoring transmitted identification codes. The method may further include storing the received unique identification codes in a predetermined order corresponding to the predetermined sequence.
    Type: Grant
    Filed: October 22, 2003
    Date of Patent: February 21, 2006
    Assignee: General Motors Corporation
    Inventors: M. Scott Buck, Thomas H Tu, Ryan M. Frakes, David A. Osinski
  • Patent number: 6998975
    Abstract: A tire pressure detection system including a pneumatic tire, a valve system coupled to the pneumatic tire, a switch contained within the valve system, the switch including a transmitter, a receiver in wireless communication with the transmitter; and where when the switch is actuated the switch will transmit tire pressure information to said transmitter.
    Type: Grant
    Filed: October 6, 2003
    Date of Patent: February 14, 2006
    Assignee: General Motors Corporation
    Inventors: M. Scott Buck, Thomas H Tu
  • Patent number: 6810727
    Abstract: A dual placard algorithm implemented in a tire pressure monitoring system which responds to tire inflation changes caused by the driver, and is thereby able to allow the tire pressure monitoring system to detect low tire pressure in dual placard applications. The algorithm automatically sets the threshold appropriate for a high placard pressure recommendation in the event the driver has inflated the rear tires to the high placard pressure recommendation. If the driver subsequently changes the rear tire pressure to the low placard pressure recommendation, the dual placard algorithm alerts the driver to manually enter a learn mode, whereupon the algorithm automatically re-sets the threshold to that appropriate for the low placard pressure recommendation only if the driver has deflated both rear tires to the low placard tire pressure recommendation.
    Type: Grant
    Filed: August 21, 2003
    Date of Patent: November 2, 2004
    Assignee: General Motors Corporation
    Inventors: Michael Allan Davis, Thomas H. Tu, Ryan M. Frakes, Stephen C. Kirsch