Patents Assigned to Reuben Rothstein
  • Motion sensing alarm
    Patent number: 4772879
    Abstract: A motion sensing alarm is disclosed. It is comprised of a time delayed switching circuit connected between a supply circuit and an electronic logic circuit. A triggering circuit is connected between the switching circuit and a false triggering circuit and the electronic logic circuit. An alarm initiating circuit is connected between the electronic logic circuit and an alarm.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: September 20, 1988
    Assignees: Sydney Harrison, Reuben Rothstein, Dinah Kalynchuk
    Inventor: Edward A. Hein