Patents by Inventor Robert C. Knapp

Robert C. Knapp 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: 20040028239
    Abstract: A microphone assembly for a vehicle accessory includes one or more transducers positioned in a microphone housing. The microphone housing has at least one acoustic port to which the transducer is acoustically coupled. The microphone assembly further includes a windscreen sealed across the acoustic port. The windscreen having hydrophobic properties to prevent water from penetrating the microphone housing through the acoustic port.
    Type: Application
    Filed: August 6, 2003
    Publication date: February 12, 2004
    Inventors: Alan R. Watson, Robert C. Knapp, Robert R. Turnbull, William R. Speace, G. Bruce Poe, Michael A. Bryson
  • Publication number: 20040017611
    Abstract: A control system for a plurality of electrochromic elements, for example, used in automobiles, to control the glare of the IEC elements used as a rearview mirror (20) as well as the OEC elements (24, 26) used as sideview mirrors (24, 26). The IEC element and each of the OEC elements is provided with an individual drive circuit (21, 22). The drive circuits for the OEC's elements may be customized to account for various factors such as the type of curvature as well as the size and shape. Since individual drive circuitry is provided for the IEC elements and each of the OEC elements, the reflectance of each of the electrochromic elements (20, 24, 26) can be relatively accurately controlled by way of glare signal from inside the automobile.
    Type: Application
    Filed: July 17, 2003
    Publication date: January 29, 2004
    Inventors: Robert R. Turnbull, Robert C. Knapp, Roy E. Vawter
  • Patent number: 6614911
    Abstract: A microphone assembly includes one or more transducers positioned in a housing. Circuitry is coupled to the transducer for outputting an electrical signal such that the microphone has a main lobe directed forwardly and attenuates signals originating from the sides and/or rear. The transducers can advantageously include multiple transducers, which, with the circuit, produce a desired sensitivity pattern. The microphone assembly can be employed in a vehicle accessory.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: September 2, 2003
    Assignee: Gentex Corporation
    Inventors: Alan R. Watson, Robert C. Knapp, Robert R. Turnbull, William R. Spence, G. Bruce Poe, Michael A. Bryson
  • Publication number: 20030156425
    Abstract: A light emitting assembly having a first light source and a second light source. The first and second light sources are oriented such that when the first and second light sources emit light, light emitted from the first and second light sources overlaps and is capable of forming white light. The light emitted from the first light source exhibits color coordinates different from the light emitted from the second light source. Also disclosed is a license plate illuminator having an LED device capable of emitting white light.
    Type: Application
    Filed: February 24, 2003
    Publication date: August 21, 2003
    Inventors: Robert R. Turnbull, Robert C. Knapp, John K. Roberts
  • Patent number: 6595650
    Abstract: A control system for a plurality of electrochromic elements, for example, used in automobiles, to control the glare of the IEC elements used as a rearview mirror (20) as well as the OEC elements (24, 26) used as sideview mirrors (24, 26). The IEC element and each of the OEC elements is provided with an individual drive circuit (21, 22). The drive circuits for the OEC's elements may be customized to account for various factors such as the type of curvature as well as the size and shape. Since individual drive circuitry is provided for the IEC elements and each of the OEC elements, the reflectance of each of the electrochromic elements (20, 24, 26) can be relatively accurately controlled by way of glare signal from inside the automobile.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: July 22, 2003
    Assignee: Gentex Corporation
    Inventors: Robert R. Turnbull, Robert C. Knapp, Roy E. Vawter
  • Publication number: 20030048178
    Abstract: A tire monitoring (TM) system includes a peak detector signal filter that is configured to substantially prevent impulse noise from increasing a data slicer threshold, while simultaneously allowing the data slicer threshold to follow the variations in a received message attributable to signal fading. The TM system also automatically determines the location of a plurality of vehicle tires relative to the vehicle, utilizes a single receiver to receive messages of multiple lengths and masks an alarm when a missing ID code corresponds to a stored ID code associated with a flat tire.
    Type: Application
    Filed: September 10, 2001
    Publication date: March 13, 2003
    Inventors: Timothy A. Bonardi, David J. Schmidt, Robert R. Turnbull, Robert C. Knapp, Gregg A. Chandler
  • Patent number: 6523976
    Abstract: An illuminator assembly, having a plurality of LEDs on a vehicular support member in a manner such that, when all of the LEDs are energized, illumination exhibiting a first perceived hue, e.g., blue-green, and projected from at least one of the LEDs overlaps and mixes with illumination exhibiting a second perceived hue, e.g., amber, which is distinct from said first perceived hue and which is projected from at least one of the remaining LEDs in such a manner that this overlapped and mixed illumination forms a metameric white color and has sufficient intensity and color rendering qualities to be an effective illuminator.
    Type: Grant
    Filed: June 26, 2000
    Date of Patent: February 25, 2003
    Assignee: Gentex Corporation
    Inventors: Robert R. Turnbull, Robert C. Knapp, John K. Roberts
  • Publication number: 20020158805
    Abstract: An inventive rearview mirror assembly is disclosed in which a microwave antenna is mounted so as to receive transmissions from one or more satellites through the front windshield of the vehicle. The microwave antenna may be tuned to receive satellite transmissions from a position identification system constellation of satellites, such as GPS or GLONASS. Additionally, the microwave antenna may be tuned to alternatively or additionally receive transmissions from at least one communication satellite, such as a CD radio satellite. In addition to the inventive rearview mirror assembly, an inventive electrical control system is disclosed that may be used as a navigation system, an electrochromic rearview mirror control system, a head lamp control system, a tire pressure monitoring and display system, a temperature sensing and display system, a vehicle compass system, a vehicle data recorder system, and/or a vehicle odometer verification system.
    Type: Application
    Filed: June 18, 2002
    Publication date: October 31, 2002
    Inventors: Robert R. Turnbull, Robert C. Knapp, Eric J. Walstra
  • Patent number: 6465963
    Abstract: An inventive rearview mirror assembly is disclosed in which a microwave antenna is mounted so as to receive transmissions from one or more satellites through the front windshield of the vehicle. The microwave antenna may be tuned to receive satellite transmissions from a position identification system constellation of satellites, such as GPS or GLONASS. Additionally, the microwave antenna may be tuned to alternatively or additionally receive transmissions from at least one communication satellite, such as a CD radio satellite. In addition to the inventive rearview mirror assembly, an inventive electrical control system is disclosed that may be used as a navigation system, an electrochromic rearview mirror control system, a head lamp control system, a tire pressure monitoring and display system, a temperature sensing and display system, a vehicle compass system, a vehicle data recorder system, and/or a vehicle odometer verification system.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: October 15, 2002
    Assignee: Gentex Corporation
    Inventors: Robert R. Turnbull, Robert C. Knapp, Eric J. Walstra
  • Publication number: 20020131177
    Abstract: A control system for a plurality of electrochromic elements, for example, used in automobiles, to control the glare of the IEC elements used as a rearview mirror (20) as well as the OEC elements (24, 26) used as sideview mirrors (24, 26). The IEC element and each of the OEC elements is provided with an individual drive circuit (21, 22). The drive circuits for the OEC's elements may be customized to account for various factors such as the type of curvature as well as the size and shape. Since individual drive circuitry is provided for the IEC elements and each of the OEC elements, the reflectance of each of the electrochromic elements (20, 24, 26) can be relatively accurately controlled by way of glare signal from inside the automobile.
    Type: Application
    Filed: May 2, 2002
    Publication date: September 19, 2002
    Inventors: Robert R. Turnbull, Robert C. Knapp, Roy E. Vawter
  • Publication number: 20020093741
    Abstract: Equipment on automotive vehicle is controlled by a system including at least one semiconductor light sensor having variable sensitivity to light. Each light sensor generates a light signal indicative of the intensity of light incident on the light sensor. Control logic varies the sensitivity of the light sensor and generates equipment control signals based on received light signals. Sensitivity of light sensors may be varied by changing the integration time for producing charge from light incident on light transducers, by selecting between light transducers of different sensitivity within the light sensor, by using a light transducer with a sensitivity that is a function of the amount of incident light, and the like. Controlled equipment includes devices such as automatically dimming rearview mirrors, headlamps, and moisture removal means.
    Type: Application
    Filed: February 28, 2002
    Publication date: July 18, 2002
    Inventors: Jon H. Bechtel, Frederick T. Bauer, Joseph S. Stam, Robert C. Knapp, Robert R. Turnbull, David J. Schmidt, G. Bruce Poe, David L. Plangger, Robert H. Nixon, Eric R. Fossum, Timothy E. Steenwyk
  • Patent number: 6407712
    Abstract: An inventive rearview mirror assembly is disclosed in which a microwave antenna is mounted so as to receive transmissions from one or more satellites through the front windshield of the vehicle. The microwave antenna may be tuned to receive satellite transmissions from a position identification system constellation of satellites, such as GPS or GLONASS. Additionally, the microwave antenna may be tuned to alternatively or additionally receive transmissions from at least one communication satellite, such as a CD radio satellite. In addition to the inventive rearview mirror assembly, an inventive electrical control system is disclosed that may be used as a navigation system, an electrochromic rearview mirror control system, a head lamp control system, a tire pressure monitoring and display system, a temperature sensing and display system, a vehicle compass system, a vehicle data recorder system, and/or a vehicle odometer verification system.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: June 18, 2002
    Assignee: Gentex Corporation
    Inventors: Robert R. Turnbull, Robert C. Knapp, Eric J. Watstra
  • Patent number: 6386713
    Abstract: A control system for a plurality of electrochromic elements, for example, used in automobiles, to control the glare of the IEC elements used as a rearview mirror (20) as well as the OEC elements (24, 26) used as sideview mirrors (24, 26). The IEC element and each of the OEC elements is provided with an individual drive circuit (21, 22). The drive circuits for the OEC's elements may be customized to account for various factors such as the type of curvature as well as the size and shape. Since individual drive circuitry is provided for the IEC elements and each of the OEC elements, the reflectance of each of the electrochromic elements (20, 24, 26) can be relatively accurately controlled by way of glare signal from inside the automobile.
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: May 14, 2002
    Assignee: Gentex Corporation
    Inventors: Robert R. Turnbull, Robert C. Knapp, Roy E. Vawter
  • Patent number: 6379013
    Abstract: Equipment on automotive vehicle (20) is controlled by a system at least one semiconductor light sensor (170, 170′) having variable sensitivity to light. Each light sensor generates a light signal (164) indicative of the intensity of light incident on the light sensor. Control logic (66) varies the sensitivity of the light sensor and generates equipment control signals (166) based on received light signals. Sensitivity of light sensors (170, 170′) may be varied by changing the integration time (228) for producing charge from light (176) incident on light transducers (178), by selecting between light transducers (178, 490, 500, 504) of different sensitivity within the light sensor (170), by using a light transducer (530) with a sensitivity that is a function of the amount of incident light (176), and the like. Controlled equipment includes devices such as automatically dimming rearview mirrors (24,26), headlamps (44), and moisture removal means (38, 40, 42).
    Type: Grant
    Filed: January 25, 2000
    Date of Patent: April 30, 2002
    Assignee: Gentex Corporation
    Inventors: Jon H. Bechtel, Frederick T. Bauer, Joseph S. Stam, Robert C. Knapp, Robert R. Turnbull, David J. Schmidt, G. Bruce Poe, David L. Plangger, Robert H. Nixon, Eric R. Fossum, Timothy E. Steenwyk
  • Publication number: 20020032510
    Abstract: A vehicle communication and control system is provided that may be more readily installed in a vehicle and that utilizes minimal additional wiring. According to some of the disclosed embodiments, the electrical components of the “brick” of a communication and control system are integrated into a rearview mirror assembly. Preferably, the microwave antenna for the GPS and the cellular telephone antenna are also integrated into the rearview mirror assembly. Various functions and features of the system are also disclosed.
    Type: Application
    Filed: April 5, 2001
    Publication date: March 14, 2002
    Inventors: Robert R. Turnbull, Robert C. Knapp, Eric J. Walstra, Alan R. Watson, G. Bruce Poe, John K. Roberts, Wayne J. Rumsey
  • Publication number: 20020027713
    Abstract: A control system for a plurality of electrochromic elements, for example, used in automobiles, to control the glare of the IEC elements used as a rearview mirror (20) as well as the OEC elements (24, 26) used as sideview mirrors (24, 26). The IEC element and each of the OEC elements is provided with an individual drive circuit (21, 22). The drive circuits for the OEC's elements may be customized to account for various factors such as the type of curvature as well as the size and shape. Since individual drive circuitry is provided for the IEC elements and each of the OEC elements, the reflectance of each of the electrochromic elements (20, 24, 26) can be relatively accurately controlled by way of glare signal from inside the automobile.
    Type: Application
    Filed: June 8, 2001
    Publication date: March 7, 2002
    Inventors: Robert R. Turnbull, Robert C. Knapp, Roy E. Vawter
  • Patent number: 6297781
    Abstract: An inventive rearview mirror assembly is disclosed in which a microwave antenna is mounted so as to receive transmissions from one or more satellites through the front windshield of the vehicle. The microwave antenna may be tuned to receive satellite transmissions from a position identification system constellation of satellites, such as GPS or GLONASS. Additionally, the microwave antenna may be tuned to alternatively or additionally receive transmissions from at least one communication satellite, such as a CD radio satellite. In addition to the inventive rearview mirror assembly, an inventive electrical control system is disclosed that may be used as a navigation system, an electrochromic rearview mirror control system, a head lamp control system, a tire pressure monitoring and display system, a temperature sensing and display system, a vehicle compass system, a vehicle data recorder system, and/or a vehicle odometer verification system.
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: October 2, 2001
    Assignee: Gentex Corporation
    Inventors: Robert R. Turnbull, Robert C. Knapp, Eric J. Walstra
  • Patent number: D450642
    Type: Grant
    Filed: April 25, 2000
    Date of Patent: November 20, 2001
    Assignee: Gentex Corporation
    Inventors: John W. Carter, Robert C. Knapp
  • Patent number: D451869
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: December 11, 2001
    Assignee: Gentex Corporation
    Inventors: Robert C. Knapp, John W. Carter, Mark R. Roth
  • Patent number: D467531
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: December 24, 2002
    Assignee: Gentex Corporation
    Inventors: John W. Carter, Robert C. Knapp