Patents Assigned to TransAlert, Inc.
  • Modulated intensity flasher for vehicle brake light with lockout
    Patent number: 6943677
    Abstract: A method and apparatus for brightening and dimming a brake light of automotive vehicle for enhanced display indication of braking includes a pulse width modulation unit to be electrically connected to a brake lamp for sequentially modulating the supply energy to the lamp to generate a brightening and dimming of the lamp. A time extent of the modulation is detected so that the modulation can be stopped after a preselected time period and the light will be continually on as in a conventional braking operation. After the brake is released by the operator, a second preselected time period for locking out the sequential interrupting is timed down, for avoiding repetitive flashing during stop-and-go traffic.
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: September 13, 2005
    Assignee: TransAlert, Inc.
    Inventors: Clyde H. Boyer, Edward J. Stropkay, Robert C. Morris, Jr.
  • Modulated intensity flasher for vehicle brake light with lockout
    Patent number: 6720871
    Abstract: A method and apparatus for brightening and dimming a brake light of automotive vehicle for enhanced display indication of braking includes a pulse width modulation unit to be electrically connected to a brake lamp for sequentially modulating the supply energy to the lamp to generate a brightening and dimming of the lamp. A time extent of the modulation is detected so that the modulation can be stopped after a preselected time period and the light will be continually on as in a conventional braking operation After the brake is released by the operator, a second preselected time period for locking out the sequential interrupting is timed down, for avoiding repetitive flashing during stop-and-go traffic.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: April 13, 2004
    Assignee: TransAlert, Inc.
    Inventors: Clyde H. Boyer, Edward J. Stropkay, Robert C. Morris, Jr.
  • Modulated intensity flasher for vehicle brake light with lockout
    Publication number: 20020075148
    Abstract: A method and apparatus for brightening and dimming a brake light of automotive vehicle for enhanced display indication of braking includes a pulse width modulation unit to be electrically connected to a brake lamp for sequentially modulating the supply energy to the lamp to generate a brightening and dimming of the lamp. A time extent of the modulation is detected so that the modulation can be stopped after a preselected time period and the light will be continually on as in a conventional braking operation After the brake is released by the operator, a second preselected time period for locking out the sequential interrupting is timed down, for avoiding repetitive flashing during stop-and-go traffic.
    Type: Application
    Filed: December 20, 2001
    Publication date: June 20, 2002
    Applicant: TransAlert, Inc.
    Inventors: Clyde H. Boyer, Edward J. Stropkay, Robert C. Morris