Patents Assigned to Comfort Key Corporation
  • Remote vehicle starting system
    Patent number: 5054569
    Abstract: A novel system for use in remotely starting a motor vehicle and operating vehicle accessories includes a remote unit having a digital controller which provides encoded digital command signals and a vehicle unit which receives the digital command signals and controllably operates the vehicle's engine and accessories in dependence thereon. The system is characterized by a frequency shift keying method of signal transmission which is highly reliable and not burdened by known carrier on, carrier off techniques.
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: October 8, 1991
    Assignee: Comfort Key Corporation
    Inventors: Steven S. Scott, Robert W. Franklin, Manfred Davis