Universal client device permitting a computer to receive and display information from several special applications

• US 6,091,412 A
• Filed: 09/30/1997
• Issued: 07/18/2000
• Est. Priority Date: 09/30/1997
• Status: Expired due to Fees

• Current Assignee: the united states of america as represented by the secretary of the navy
• Original Assignee: the united states of america as represented by the secretary of the navy
• Inventors: Fontenot, Larry A., Simonoff, Adam J., Taft, Robert L., McLintock, Brian T.
• Primary Examiner(s): SAX, STEVEN PAUL
• Application Number:
  US08/941,667
• Time in Patent Office: 1,022 Days
• Field of Search: 345/326-358, 707/501, 707/513, 709/302-303, 709/217, 709/219, 709/201, 709/203, 709/202
• US Class Current: 715/749
• CPC Class Codes: G06F 9/451 Execution arrangements for user interfaces
• CPC Class Codes: G06F 9/45512 Command shells
• CPC Class Codes: G06F 9/54 Interprogram communication

Abstract

A computer system includes first, second and third computers. Preferably, e first computer includes a first storage device storing a document written in hypertext markup language (HTML), the HTML document including an applet tag for invoking a Universal Client device and computer readable first instructions for generating the Universal Client device, and a first communications device permitting the HTML document and the first instructions for generating the Universal Client device to be downloaded to a second computer, while the second computer includes a second storage device storing computer readable second instructions for permitting the second computer to utilize a World Wide Web browser providing a JAVA™ virtual machine, a second communications device permitting the second computer to receive the HTML document and the first instructions for generating the Universal Client device provided by the first computer, and a processor for initializing and executing the Universal Client device on the second computer using the JAVA™ virtual machine to thereby generate predetermined graphical user interface (GUI) objects and display the GUI objects on the second computer. Moreover, the third computer, which is operatively connected to the first and second computers, includes a third storage device storing computer readable third instructions for controlling the third computer during generation of a character string, and another processor responsive to the third instructions which generates the string and transmits the string to the second computer.

Claims

1. A computer system, comprising:

a first computer including;

a first storage device storing a document written in hypertext markup language (HTML), said HTML document including an applet tag for invoking a Universal Client device and computer readable first instructions for generating said Universal Client device; and

a first communications device permitting said HTML document and said first instructions for generating said Universal Client device to be downloaded to a second computer; and

said second computer including;

a second storage device storing computer readable second instructions for permitting said second computer to utilize a World Wide Web browser providing a JAVA™

virtual machine;

a second communications device permitting said second computer to receive said HTML document and said first instructions for generating said Universal Client device provided by said first computer;

a processor for initializing and executing said Universal Client device on said second computer using said JAVA™

virtual machine to thereby generate predetermined graphical user interface (GUI) objects and display said GUI objects on said second computer responsive to a character string; and

a third computer, operatively connected to said first and second computers, comprising;

a third storage device storing computer readable third instructions for controlling said third computer during generation of said string;

another processor responsive to said third instructions which generates said string and transmits said string to said second computer.

2. The computer system as recited in claim 1, wherein said predetermined GUI objects are defined by a script stored on said second storage device, and wherein said Universal Client device generates said predetermined GUI objects responsive to said script.

3. The computer system as recited in claim 1, wherein said predetermined GUI objects are defined by a script stored on said first storage device, and wherein said Universal Client device generates said predetermined GUI objects responsive to said script.

4. The computer system as recited in claim 1, wherein said first and said second communication devices comprise a communications channel for interconnecting said first through third computers, and wherein said first instructions include commands to said Universal Client device to establish a predetermined connection between said second computer and said third computer, said predetermined connection being defined in said first instructions.

5. The computer system as recited in claim 1, wherein:

said first and said second communication devices comprise a communications channel for interconnecting said first through third computers;

said HTML document includes a parameter statement which commands said Universal Client device to establish a predetermined connection between said second computer and said third computer, said predetermined connection being defined in said parameter statement; and

said Universal Client device generates said predetermined GUI objects responsive to said string.

6. The computer system as recited in claim 5, wherein:

said string comprises a GUIScript message; and

said Universal Client device running on said second computer selectively modifies and replaces said predetermined GUI objects responsive to an incoming GUIScript message corresponding to changing parameters associated with said third computer.

7. The computer system as recited in claim 5, wherein:

said string comprises a datagram; and

said Universal Client device running on said second computer selectively modifies and replaces said predetermined GUI objects responsive to an incoming datagram corresponding to changing parameters associated with said third computer.

8. The computer system as recited in claim 5, wherein said third computer comprises N third computers, where N is an integer greater than 1.

9. The computer system as recited in claim 1, wherein said third computer comprises N third computers, where N is an integer greater than 1.

10. The computer system as recited in claim 1, wherein:

said first and said second communication devices comprise a communications channel for interconnecting said first through said third computers,

said third computer further comprising;

said third storage device storing computer readable fourth instructions for permitting said third computer to utilize another World Wide Web browser providing a JAVA™

virtual machine;

a third communications device permitting said third computer to receive said HTML document and said first instructions for generating said Universal Client device provided by said first computer; and

said another processor for initializing and executing said Universal Client device on said third computer using said JAVA™

virtual machine to thereby generate predetermined graphical user interface (GUI) objects and display said GUI objects on said second computer.

11. The computer system as recited in claim 10, wherein said second and third computes interoperate with one another via said communications channel to selectively permit said third computer to alter the respective GUI of said second computer and vice versa.

12. The computer system as recited in claim 1, wherein one of said predetermined GUI objects comprises a MultiMedia presentation.

13. The computer system as recited in claim 1, wherein one of said predetermined GUI objects comprises a duration timer.

14. A computer system having first, second and third computers generating a graphical user interface (GUI) on the first computer screen corresponding to a presentation generated with respect to the second computer screen irrespective of the operating system differences between the respective first, second and third computers, comprising:

first means disposed in the third computer for providing a hypertext markup language (HTML) document including an applet tag corresponding to a Universal Client device to the first computer;

second means for initializing and executing the Universal Client device using a JAVA™

virtual machine associated with the first computer;

third means for parsing and interpreting a script associated with the Universal Client device to thereby cause the Universal Client device to display the GUI;

fourth means for parsing and interpreting the script associated with the Universal Client device to thereby cause the Universal Client device to establish a predetermined connection between the first and the second computers; and

fifth means disposed in one of the second and third computers for generating a string causing changes in the GUI displayed by the Universal Client device on the first computer.

15. The computer system as recited in claim 14, wherein said predetermined connection comprises a Transmission Control Protocol/Internet Protocol (TCP/IP) connection.

16. The computer system as recited in claim 14, wherein said GUI includes a plurality of GUI objects.

17. The computer system as recited in claim 16, wherein one of said GUI objects comprises a MultiMedia object.

18. The computer system as recited in claim 16, wherein one of said GUI objects comprises a performance assessment object.

19. The computer system as recited in claim 14, wherein said string comprises an ASCII character string.

20. The computer system as recited in claim 14, wherein said string comprises a datagram.

21. The computer system as recited in claim 14, wherein said string comprises a GUIScript message.

22. A computer system generating a representative graphical user interface (GUI) on a first computer screen corresponding to a presentation generated with respect to a second computer screen irrespective of the operating system differences between the respective first and second computers and a third computer, comprising:

first means for providing a hypertext markup language (HTML) document including an applet tag corresponding to a Universal Client device and a first script defining a first GUI;

second means for initializing and executing the Universal Client device responsive to said first script using a JAVA™

virtual machine;

third means for parsing and interpreting said first script to thereby cause the Universal Client device to display the first GUI;

fourth means for parsing and interpreting the first script to thereby cause the Universal Client device to establish a predetermined connection between the first and the third computers and to generate a second script permitting the Universal Client device to control said second computer;

fifth means for parsing and interpreting said second script, for generating a first instruction to which said second computer responds;

sixth means receiving said first instruction for generating a second instruction representing the presentation displayed on the second computer screen;

seventh means receiving said second instruction for generating a third script; and

eighth means receiving said third script for causing said Universal Client device to replace said first GUI with said representative GUI on said first computer screen.

23. The computer system as recited in claim 22, wherein said predetermined connection comprises a Transmission Control Protocollntemet Protocol (TCP/IP) connection.

24. The computer system as recited in claim 22, wherein each of said first GUI and said representative GUI includes a plurality of GUI objects.

25. The computer system as recited in claim 24, wherein one of said GUI objects comprises a MultiMedia object.

26. The computer system as recited in claim 24, wherein one of said GUI objects comprises a performance assessment object.