Patents by Inventor Marian Chaffe

Marian Chaffe 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).

  • Traffic signal with adjustable cycles
    Patent number: 6822581
    Abstract: A traffic signal includes a micro-controller in communication with a switching system. The micro-controller executes a process for controlling a signal indicator according to a selected signal cycle. First and second actuators communicate with the corresponding first and second input terminals of the micro-controller. The first actuator causes the micro-controller to execute a first signal cycle. The second actuator causes the micro-controller to execute a second signal cycle.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: November 23, 2004
    Inventor: Marian Chaffe
  • Traffic signal with adjustable cycles
    Publication number: 20040075583
    Abstract: A traffic signal includes a micro-controller in communication with a switching system. The micro-controller executes a process for controlling a signal indicator according to a selected signal cycle. First and second actuators communicate with the corresponding first and second input terminals of the micro-controller. The first actuator causes the micro-controller to execute a first signal cycle. The second actuator causes the micro-controller to execute a second signal cycle.
    Type: Application
    Filed: October 16, 2002
    Publication date: April 22, 2004
    Inventor: Marian Chaffe