Patents Assigned to Allied-Signl Inc.
  • Empty location identification of component parts
    Patent number: 4973852
    Abstract: An empty location identification of component parts is provided which detects the presence, absence, orientation or polarity of components located on a printed circuit board or other type of component assembly. The identification is accomplished by utilizing a pattern of marks which are located in such a manner so as to be either partially or totally obscured when a component is placed in its correct location.
    Type: Grant
    Filed: March 2, 1990
    Date of Patent: November 27, 1990
    Assignee: Allied-Signl Inc.
    Inventor: Jerome J. Denkevitz