Patents by Inventor M. Ibrahim Khera

M. Ibrahim Khera 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).

  • Interrupt expander circuit
    Patent number: 4275458
    Abstract: An interrupt expander circuit provides for greatly enlarging the capacity of vectored interrupts in a microprocessor system. This circuit provides the capability for a very large number of peripheral devices to be connected to a microprocessor centeral processing unit via an interrupt structure while maintaining the same interface requirements between the interrupting peripheral devices and the microprocessor. This circuit provides a priority interrupt structure.
    Type: Grant
    Filed: December 14, 1979
    Date of Patent: June 23, 1981
    Assignee: GTE Automatic Electric Laboratories Incorporated
    Inventor: M. Ibrahim Khera