Method and apparatus for displaying data

• US 5,830,150 A
• Filed: 09/18/1996
• Issued: 11/03/1998
• Est. Priority Date: 09/18/1996
• Status: Expired due to Fees

• Current Assignee: Marquette Electronics Inc (GE Healthcare Technologies, Inc.)
• Original Assignee: Marquette Electronics Inc (GE Healthcare Technologies, Inc.)
• Inventors: Smith, N. Ty, Palmer, Douglas A.
• Primary Examiner(s): Getzow, Scott M.
• Application Number:
  US08/715,602
• Time in Patent Office: 776 Days
• Field of Search: 600/523, 600/508, 600/509
• US Class Current: 600/523
• CPC Class Codes: A61B 5/0255 Recording instruments specially adapted therefor
• CPC Class Codes: A61B 5/339 Displays specially adapted therefor

Abstract

A method and apparatus for simultaneously displaying a plurality of time variables indicative of the condition of a dynamic system. The system is constructed and arranged to be coupled to an array of sensors each positioned for sensing a discreet signal functionally related to one of the variables and includes an acquisition module coupled to the sensors for generating time variable signals indicative of the variables, a sorter for sorting the data into rows, and a processor receiving the rows of data and for computing a function for each variable, and means for determining a color coded plot value for each computed function.

Claims

1. A combination for simultaneously displaying a plurality of time variables indicative of the condition of a dynamic system, the combination being constructed and arranged to be coupled to a source of discreet signals each functionally related to one of the variables, said combination comprising means for receiving said signals and for generating a plurality of time variable values each of which is indicative of one of said signals, means for converting each of said time variable values into color codes, means for separately and simultaneously displaying each of said time varying color coded values in a graphic form on a display screen in a time correlated relation wherein variations in said values are emphasized by differences in color or shade.

2. The combination set forth in claim 1 and including means for varying the color of each of the displayed time variable values in relation to the magnitude of the signal, the signals being displayed in separate colorized bars wherein the magnitude of each variable determines the shade of color.

3. The combination set forth in claim 1 wherein the variable are plotted graphically in a plot line form to define areas above and below the plot line, and mean for applying one color in the area above the plot line and a different color in the area below the plot line.

4. A combination comprising means for simultaneously sensing data representing a plurality of variables, means for sorting the sensed data into rows, means for determining plot data for each row of data, means for color coding the plot data for each row of data and means for displaying color coded rows of data plot on a time base.

5. The combination set forth in claim 4 and including means for computing plot values of each of said variables as a line graph and means for plotting each row of data with a color code and a line graph so that changes in amplitude of the variables appear as changes in amplitude of the line graph and changes in the shade of color.

6. The combination set forth in claim 4 and including means for computing a system variable from one or more sensed variables said means for displaying being operative to display said computed variable as a separate row of data.

7. The combination set forth in claim 4 and including means for comparing plot values to alarm limits and means for activating an alarm when the plot values are outside of alarm limits.

8. The combination set forth in claim 4 and including means for determining upper and lower limits for each row of data, and means for displaying data within the limits as one color and data outside of the limits as a second color.

9. The combination set forth in claim 4 and including means for displaying changes in amplitude of the data as varying shades of gray.

10. The combination set forth in claim 4 wherein said means for color coding includes means for displaying changes in the amplitude in the data as variations in the visible color spectrum consisting of the colors red, orange, yellow, green, blue, indigo and violet.

11. The combination set forth in claim 4 and including means for simultaneously moving the displayed color coded rows of data across a display screen and adding new data at the end of the rows from which the data is moving.

12. The combination set forth in claim 11 including means for computing plot values of each of said variables as a line graph, and means for plotting each row of data with a color code and line graph so that changes in amplitude of the variable appear as changes in amplitude of the line graph and shade of color.

13. The combination set forth in claim 12 wherein said means for color coding includes means for displaying changes in the amplitude in the data as variations in a color scale consisting of the colors red, orange, yellow, green, blue, indigo and violet.

14. The combination set forth in claim 13 and including means for computing a system variable from one or more sensed variables, said means for displaying being operative to display said computed variable as a separate row of data.

15. The combination set forth in claim 14 and including means for comparing plot values to alarm limits and means for activating an alarm when the plot values are outside of alarm limits.

16. A method of simultaneously displaying a plurality of time variable parameters, including the steps of simultaneously acquiring a plurality of streams of data representative of variables, sorting the sensed data into rows, determining plot data for each row of data, converting each of said plot values into a color code, and displaying color coded rows of data on a time base.

17. The method set forth in claim 16 including the steps of computing plot values of each of said variables as a line graph, and plotting each row of data with a color code and line graph so that changes in amplitude of the parameter appear as changes in amplitude of the line graph and shade of color.

18. The method set forth in claim 16 and including the step of computing a system variable from one or more sensed variables and displaying said computed variable as a separate row of data.

19. The method set forth in claim 16 and including the steps of comparing plot values to alarm limits and activating an alarm when the plot values are outside of alarm limits.

20. The method set forth in claim 19 wherein at least one of the plot values is not displayed, comparing said undisplayed plot value to at least one alarm limit, and displaying said previously undisplayed variable if said variable exceeds the alarm limit.

21. The method set forth in claim 16 and including the steps of determining upper and lower limits for each line of data, and displaying data within the limits as one color and data outside of the limits as a second color.

22. The method set forth in claim 16 and including the steps of displaying changes in amplitude of the data as varying shades of a single color.

23. The method set forth in claim 16 and including the steps of displaying changes in the amplitude in the data as variations in a color scale consisting of the colors red, orange, yellow, green, blue, indigo and violet.

24. The method set forth in claim 16 and including the steps of simultaneously moving the rows of displayed data across a display screen, and adding new data to the end of each row from which the row of data is moving.

25. The method set forth in claim 24 and including the step of comparing each plot value to a color map in which different color shades are designated for numeric values of said variables, determining a color code for each variable, and displaying said color coded values.

26. The method set forth in claim 25 including the steps of computing plot values of each of said parameters as a line graph, and plotting each row of data with a color code and line graph so that changes in amplitude of the parameter appear as changes in amplitude of the line graph and shade of color.

27. The method set forth in claim 26 and including the steps of displaying changes in the amplitude in the data as variations in a color scale consisting of the colors red, orange, yellow, green, blue, indigo and violet.

28. The method set forth in claim 27 and including the step of computing a system variable from one or more sensed variables and displaying said computed variable as a separate row of data.

29. The method set forth in claim 27 and including the steps of comparing plot values to alarm limits and activating an alarm when the plot values are outside of alarm limits.

30. The method set forth in said claim 29 wherein at least one of the plot values is not displayed, comparing said undisplayed plot value to at least one alarm limit, and displaying said previously undisplayed variable if said variable exceeds the alarm limit.

31. A combination for simultaneously displaying a plurality of time variables indicative of the condition of a dynamic system, the combination being constructed and arranged to be coupled to a source of discreet signals each functionally related to one of the variables, said combination comprising a processor for receiving said signals and for generating a plurality of time variable values each of which is indicative of one of said signals, said processor being programmed to convert each of said time variable values into color codes, and a display constructed and arranged to separately and simultaneously display each of said time varying color coded values in a graphic form on a display screen in a time correlated relation wherein variations in said values are emphasized by differences in color or shade.

32. The combination set forth in claim 31 wherein said processor is programmed to vary the color of each of the displayed time variable values in relation to the magnitude of the signal, the signals being displayed in separate colorized bars wherein the magnitude of each variable determines the shade of color.

33. The combination set forth in claim 31 wherein the variable are plotted graphically in a plot line form to define areas above and below the plot lines, said processor being programmed to color code the data to be displayed with one color in the area above the plot line and a different color in the area below the plot line.

34. A combination comprising sensors constructed and arranged to simultaneously sense data representing a plurality of variables, a sorter constructed and arranged to sort the sensed data into rows, a processor programmed to determine plot data for each row of data and to color code the plot data for each row of data and a display coupled to the processor and constructed and arranged to display the color coded rows of data on a time base.

35. The combination set forth in claim 34 wherein the processor is programmed to compute plot values of each of said variables as a line graph and to plot each row of data with a color code and a line graph so that changes in amplitude of the variables appear as changes in amplitude of the line graph and changes in the shade of color.

36. The combination set forth in claim 34 wherein said processor is programmed to compute a system variable from one or more sensed variables said display being operative to display said computed variable as a separate row of data.

37. The combination set forth in claim 34 and wherein said processor is programmed to compare plot values to alarm limits and to activate an alarm when the plot values are outside of alarm limits.

38. A combination set forth in claim 34 and wherein said processor is programmed to determine upper and lower limits for each row of data, said display being operative to display data within the limits as one color and data outside of the limits as a second color.

39. The combination set forth in claim 34 wherein said processor is programmed to color code changes in amplitude of the data as varying shades of gray.

40. The combination set forth in claim 34 wherein said processor is programmed to color code changes in the amplitude of the data as variations in the visible color spectrum consisting of the colors red, orange, yellow, green, blue, indigo and violet.

41. The combination set forth in claim 34 wherein said processor is programmed to simultaneously move the displayed color coded rows of data across a display screen and to add new data at the end of the rows from which the data is moving.

42. The combination set forth in claim 41 wherein said processors is programmed to compute plot values of each of said variables as a line graph, and to plot each row of data with a color code and line graph so that changes in amplitude of the a variable appears as changes in amplitude of the line graph and shade of color.

43. The combination set forth in claim 42 wherein said processor is programmed to display changes in the amplitude in the data as variations in a color scale consisting of the colors red, orange, yellow, green, blue, indigo and violet.

44. The combination set forth in claim 43 and wherein said processor is programmed to compute a system variable from one or more sensed variables, said display being operative to display said computed variable as a separate row of data.

45. The combination set forth in claim 44 wherein said processor is programmed to compare plot values to alarm limits and to activate an alarm when the plot values are outside of alarm limits.