×

Display system for automotive vehicle

  • US 4,787,040 A
  • Filed: 12/22/1986
  • Issued: 11/22/1988
  • Est. Priority Date: 12/22/1986
  • Status: Expired due to Term
First Claim
Patent Images

1. A display system for an automotive vehicle, said display system operating by selective partitioning of functions comprising:

  • (1) display means for displaying graphics and text to an operator of the vehicle;

    (2) video graphics means for controlling operation of said display means, said video graphics means being reconfigurable to generate different styles of graphics and text;

    (3) touch switch entry means for entry of desired function information by the operator and generation of touch input signals;

    (4) discrete switch means for entry of additional function information by the operator and generation of discrete signals;

    (5) a Display controller for controlling system operations;

    (6) an input/output (I/O) channel incorporated in said Display controller;

    (7) an interprocessor data link for transferring data and commands in said system;

    (8) a master micropro;

    cessor incorporated in said Display controller for issuing control signals and responding to control signals representative of major system functions, said master microprocessor having associated storage means for storing master data and commands and a master control program to control major functions in said system, said major functions including control of graphics and text for display on said display means and responsive to signals from said touch switch means and said discrete switch means; and

    (9) a slave microprocessor incorporated in said Display controller for issuing and responding to control and data signals involving communication with said master microprocessor in said Display controller via said input/output channel and said interprocessor data link, and said slave microprocessor having associated storage means for storing slave data and commands and a slave control program to control slave functions in said system, said slave functions including control and monitoring of communications internally within said Display controller and externally by said Display controller.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×