Patents by Inventor Wilbur E. Duvall

Wilbur E. Duvall 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: 20030125855
    Abstract: Vehicular monitoring arrangement for monitoring an environment of the vehicle including at least one active pixel camera for obtaining images of the environment of the vehicle and a processor coupled to the active pixel camera(s) for determining at least one characteristic of an object in the environment based on the images obtained by the active pixel camera(s). The active pixel camera can be arranged in a headliner, roof or ceiling of the vehicle to obtain images of an interior environment of the vehicle, in an A-pillar or B-pillar of the vehicle to obtain images of an interior environment of the vehicle, or in a roof, ceiling, B-pillar or C-pillar of the vehicle to obtain images of an interior environment of the vehicle behind a front seat of the vehicle. The determined characteristic can be used to enable optimal control of a reactive component, system or subsystem coupled to the processor.
    Type: Application
    Filed: November 22, 2002
    Publication date: July 3, 2003
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson
  • Publication number: 20030116362
    Abstract: Apparatus and method for adjusting a steering wheel extending from a front console of a vehicle in which at least one motor is coupled to the steering column or steering wheel and is at least automatically controllable without manual intervention to adjust the steering wheel relative to the front console. A system determines at least one morphological characteristic of a driver and a control circuit is coupled to the system and the motor(s) for automatically controlling the motor(s) based on the morphological characteristic(s). In this manner, the position of the steering wheel can be adjusted for each driver and can be changed when the driver of the vehicle varies between sequential uses.
    Type: Application
    Filed: November 22, 2002
    Publication date: June 26, 2003
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson
  • Patent number: 6555766
    Abstract: Vehicle seat structure including a seat defining a surface adapted to contact an occupying item and a weight sensor arrangement arranged in connection with the seat for providing an indication of the weight applied by the occupying item to the surface of the seat. The weight sensor arrangement includes conductive members spaced apart from one another such that a capacitance develops between opposed ones of the conductive members upon incorporation of the conductive members in an electrical circuit. The capacitance is based on the space between the conductive members which varies in relation to the weight applied by the occupying item to the surface of the seat.
    Type: Grant
    Filed: July 9, 2001
    Date of Patent: April 29, 2003
    Assignee: Automotive Technologies International Inc.
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson
  • Publication number: 20030075223
    Abstract: Discharge valve for an airbag including a fixed member adapted to be arranged in connection with or associated with the airbag and having a pattern of openings and a movable member having a pattern of openings substantially identical to the pattern of openings of the fixed member. The movable member is movable relative to and alongside the fixed member to vary the correspondence between the openings on the movable member and the openings in the fixed member to thereby vary valve openings defined by the fixed member and the movable member. Variation in the valve openings results in control and/or regulation of the outflow of gas from the airbag through the discharge valve. The members may be plates, cylinders or cones.
    Type: Application
    Filed: October 23, 2002
    Publication date: April 24, 2003
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson
  • Patent number: 6553296
    Abstract: An arrangement in a vehicle for determining vehicle occupant position relative to a fixed structure within the vehicle including an array which receives an image of a portion of the passenger compartment in which the occupant is likely to be situated and a lens arranged between the array and the portion of the passenger compartment. The image may be changed by adjusting the lens, e.g., adjusting the focal length of the lens and/or the position of the lens relative to the array, by adjusting the array, e.g., the position of the array relative to the lens, and/or by using software to perform a focusing process. By changing the image to obtain the clearest image, i.e., focusing the image, a distance between the occupant and the fixed structure can be obtained based on the parameters of the change of the image.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: April 22, 2003
    Assignee: Automotive Technologies International, Inc.
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson
  • Patent number: 6533316
    Abstract: An occupant protection device deployment system and safety network including at least one module housing, at least one deployable component such as an airbag associated with each housing, a deployment initiator associated with each housing for initiating deployment of the component, a determination unit for determining that deployment of one or more of the components is desired, and respective electronic control units arranged within, adjacent or proximate each housing and coupled to a respective deployment initiator and the determination unit via an electrical bus for causing the deployment initiator to deploy the component in the respective housing upon receiving a signal from the determination unit. The control units include a power supply for enabling operation of the initiator.
    Type: Grant
    Filed: January 23, 2001
    Date of Patent: March 18, 2003
    Assignee: Automotive Technologies International, Inc.
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson, William Thomas Sanders
  • Patent number: 6529809
    Abstract: Method for developing and adapting a system for determining the location of an object in a passenger compartment of a vehicle using a variety of transducers and pattern recognition technologies and techniques that applies to any combination of transducers that provide information about vehicle occupancy. These include weight sensors, capacitive sensors, inductive sensors, ultrasonic, optic, infrared, radar among others. The adaptation process begins with a selection of candidate transducers for a particular vehicle model based on, e.g., cost, vehicle interior passenger compartment geometry, desired accuracy and reliability, vehicle aesthetics, vehicle manufacturer preferences. Once a candidate set of transducers is selected, these transducers are mounted in the test vehicle and the vehicle is subjected to an extensive data collection process wherein various objects are placed in the vehicle at various locations and various databases are collected.
    Type: Grant
    Filed: August 24, 1999
    Date of Patent: March 4, 2003
    Assignee: Automotive Technologies International, Inc.
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson, Jeffrey L. Morin, Kunhong Xu, Henk Helleman, Tie-Qi Chen, Michael E. Kussul, Andrew J. Varga
  • Publication number: 20030039173
    Abstract: Methods for reducing ringing of dual-function ultrasonic air-coupled transducers in which at least one electrical passive circuit is applied to the transducer. The circuit may be either a linear circuit or a non-linear circuit. Different circuits can be applied to the transducer when the transducer is in a transmission mode than when the transducer is in a reception mode.
    Type: Application
    Filed: July 30, 2002
    Publication date: February 27, 2003
    Inventors: Oleksandr V. Yurchenko, Wilbur E. DuVall, Wendell C. Johnson
  • Patent number: 6526352
    Abstract: Arrangement and method for mapping a road during travel of a vehicle having two data acquisition modules arranged on sides of the vehicle, each including a GPS receiver and antenna for enabling the vehicle's position to be determined and a linear camera which provides one-dimensional images of an area on the respective side in a vertical plane perpendicular to the road such that information about the road is obtained from a view in a direction perpendicular to the road. A processor unit forms a map database of the road by correlating the vehicle's position and the information about the road. Instead of or in addition to the linear cameras, scanning laser radars are provided and transmit waves downward in a plane perpendicular to the road and receive reflected waves to provide information about distance between the laser radars and the ground for use in forming the database.
    Type: Grant
    Filed: July 19, 2001
    Date of Patent: February 25, 2003
    Assignee: Intelligent Technologies International, Inc.
    Inventors: David S. Breed, Wendell C. Johnson, Vittorio Castelli, William E. Seitz, Wilbur E. DuVall
  • Publication number: 20030036835
    Abstract: Method for controlling an occupant protection device in a vehicle in which data is acquired from at least one sensor relating to an occupant in a seat to be protected by the occupant protection device, the type of occupant is classified based on the acquired data and when the occupant is classified as an empty seat or a rear-facing child seat, deployment of the occupant protection device is disabled or adjusted. Otherwise, the size of the occupant is classified based on the acquired data, the position of the occupant is determined by one of a plurality of algorithms selected based on the classified size of the occupant using the acquired data, each algorithm being applicable for a specific size of occupant. Deployment of the occupant protection device is disabled or adjusted when the determined position of the occupant is more likely to result in injury to the occupant if the occupant protection device were to deploy. The algorithms may be pattern recognition algorithms such as neural networks.
    Type: Application
    Filed: September 3, 2002
    Publication date: February 20, 2003
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson, Jeffrey L. Morin, Kunhong Xu, Michael E. Kussul, Tie-Qi Chen
  • Patent number: 6517107
    Abstract: Methods for controlling a vehicle system in which radiation is directed from a transducer into the passenger compartment and is reflected off or modified by an object in the passenger compartment and received by the same or a different transducer. When ultrasonic waves are used, one or more techniques are used to compensate for thermal gradients in the passenger compartment and/or enable the use of a single transducer to send and receive waves, for example, a tubular mounting structure for the transducers, electronic reduction of ringing of the transducer, mechanical damping of the transducer cone, shaped horns, grills and reflectors for the output of the transducers to precisely control the beam pattern, a logarithmic compression amplifier, a temperature compensation method based on change in transducer properties with temperature and/or a dual level network, one level for categorization and the second for occupant position sensing.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: February 11, 2003
    Assignee: Automotive Technologies International, Inc.
    Inventors: Wendell C. Johnson, Wilbur E. DuVall, David S. Breed
  • Patent number: 6513833
    Abstract: System and method for analyzing motion of occupants of the vehicle in which a wave-receiving system receives waves from spaces above seats of the vehicle in which the occupants would normally be situated and a processor coupled to the wave-receiving system determines movement of any occupants based on the received waves. The wave-receiving system may be arranged on a rear view mirror, in a headliner, roof, ceiling or windshield header, in an A-Pillar or B-Pillar, above a top surface of an instrument panel, and in connection with a steering wheel or an airbag module. The processor can be programmed to determine the location of the head, chest and/or torso of any occupants. If it determines the location of the head of any occupants, it could monitor the position thereof to determine whether the occupant is falling asleep or becoming incapacitated.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: February 4, 2003
    Assignee: Automotive Technologies International, Inc.
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson
  • Patent number: 6513830
    Abstract: Apparatus for disabling an airbag system for a seating position within a motor vehicle in which occupant sensors are situated adjacent or on a roof above the seat and the presence or absence of an occupant of the seating position is detected using the occupant sensor(s). The airbag system is disabled if the seating position is unoccupied. The position of an occupant is detected if the seating position is occupied and the airbag system is disabled if the occupant's position would result in injury to the occupant greater than any injury resulting from non-deployment. Further, the airbag deployment parameters, e.g., rate of inflation and time of deployment, may be modified based on the occupant's position to adjust inflation of the airbag according to proximity of the occupant to the airbag door.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: February 4, 2003
    Assignee: Automotive Technologies International Inc.
    Inventors: David S. Breed, Vittorio Castelli, Wendell C. Johnson, Wilbur E. DuVall
  • Publication number: 20030023362
    Abstract: Arrangement and method for controlling a component in a vehicle in which at least one morphological characteristic of an occupant is measured and a current position of at least a part of a seat on which the occupant is situated is obtained. The component is controlled based on the measured morphological characteristic(s) and the current position of the seat. The component may be an occupant restraint device, such as an airbag whose inflation, deflation and/or deployment direction is/are controlled.
    Type: Application
    Filed: August 26, 2002
    Publication date: January 30, 2003
    Inventors: David S. Breed, Wilbur E. DuVall, Jeffrey L. Morin, Kunhong Xu
  • Patent number: 6507779
    Abstract: Vehicular rear seat area monitoring system including at least one wave-receiving sensor arranged behind the front seat to receive waves from a space above the rear seat and a processor coupled to the sensor(s) for controlling another system in the vehicle based on the waves received by the sensor(s). The sensors may be of several different types. For example, an optical sensor can be provided which receives images including the space above the rear seat, a CCD array, a CMOS array and an optical camera including a lens can be used, and a radar sensor is also a possibility. If one of the sensors is a radar sensor, then the processor may be designed or trained to analyze motion of objects in the rear seat based on the waves received by the radar sensor and control the system based on any motion of the objects.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: January 14, 2003
    Assignee: Automotive Technologies International, Inc.
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson
  • Publication number: 20030005759
    Abstract: Wireless sensing and communication system including sensors located on the vehicle, in the roadway or in the vicinity of the vehicle or roadway and which provide information which is transmitted to one or more interrogators in the vehicle by a wireless radio frequency mechanism. Power to operate a particular sensor is supplied by the interrogator or the sensor is independently connected to either a battery, generator, vehicle power source or some source of power external to the vehicle. The sensors can provide information about the vehicle and its interior or exterior environment, about individual components, systems, vehicle occupants, subsystems, or about the roadway, ambient atmosphere, travel conditions and external objects. The sensors arranged on the roadway or ancillary structures would include pressure sensors, temperature sensors, moisture content or humidity sensors, and friction sensors.
    Type: Application
    Filed: July 8, 2002
    Publication date: January 9, 2003
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson
  • Publication number: 20030001368
    Abstract: Method and system for controlling deployment of an airbag in which the position of an occupant to be protected by deployment of the airbag is determined, the probability that a crash requiring deployment of the airbag is occurring is assessed and deployment of the airbag enabled in consideration of the determined position of the occupant and the assessed probability that a crash is occurring. Deployment of the airbag may be enabled by analyzing the assessed probability relative to a pre-determined threshold whereby deployment of the airbag is enabled only when the assessed probability is greater than the threshold. The threshold may be adjusted based on the determined position of the occupant.
    Type: Application
    Filed: September 3, 2002
    Publication date: January 2, 2003
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson
  • Publication number: 20030002690
    Abstract: Method and arrangement for obtaining and conveying information about occupancy of a passenger compartment of a vehicle including at least one sensor for obtaining data from the passenger compartment. Information about the occupancy is generated based on the data and transmitted, e.g., through a cellular phone system, to emergency response personnel to enable them to respond accordingly. The information about the occupancy may be generated by a processor applying pattern recognition techniques so that any occupants of the seat may be classified and such classification transmitted to the emergency response personnel. The data may also be used to determine the number of occupants in the vehicle and/or whether the occupants are moving after a crash.
    Type: Application
    Filed: August 26, 2002
    Publication date: January 2, 2003
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson
  • Publication number: 20020198632
    Abstract: Method for transferring information between a vehicle and a transmitter in which a unique pseudorandom noise signal is transmitted by the transmitter in a carrier-less fashion composed of frequencies within a pre-selected band. Information is encoded in the noise signal relating to an identification of the transmitter and a position of the transmitter and the vehicle is provided with a device for extracting the information from the noise signal. The code to use for encoding the noise signal may be selected based on the position of the transmitter so that analysis of the code, or a portion thereof, provides an indication of the position of the transmitter. Information about accidents, weather conditions, road conditions, map data and traffic control devices and about errors in a GPS signal can also be encoded in the noise signals.
    Type: Application
    Filed: April 9, 2002
    Publication date: December 26, 2002
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson, Kostyantyn Alexandrovich Lukin, Vladymyr Michailovich Konovalov
  • Publication number: 20020188392
    Abstract: Vehicular telematics system including an occupant sensing system for determining a property or characteristic of occupancy of the vehicle constituting information about the occupancy of the vehicle and a communications device coupled to the occupant sensing system for transmitting the information. The occupant sensing system may include sensors, for example, an image-obtaining sensor for obtaining images of the passenger compartment of the vehicle, a motion sensor, receivers arranged to receive waves, energy or radiation from seating locations in the passenger compartment, heartbeat sensors, weight sensors associated with seats in the vehicle and/or chemical sensors. Vehicle sensors may be provided, each sensing a state of the vehicle or a state of a component of the vehicle. The communications device is coupled, wired or wirelessly, directly or indirectly, to each vehicle sensor and transmits the state of the vehicle or the state of the component of the vehicle.
    Type: Application
    Filed: June 19, 2002
    Publication date: December 12, 2002
    Inventors: David S. Breed, Wilbur E. DuVall, Wendell C. Johnson