An aircraft display system includes an electronic display configured to provide at least one of graphical and textual elements and electronics configured to receive a signal indicating an ambient light level. The electronics set a brightness of the display using a first calculation in response to a
An aircraft display system includes an electronic display configured to provide at least one of graphical and textual elements and electronics configured to receive a signal indicating an ambient light level. The electronics set a brightness of the display using a first calculation in response to a desired contrast ratio and the ambient light level and using a second calculation in response to the desired contrast ratio and the ambient light level.
대표청구항▼
1. An aircraft display system, comprising: an electronic display configured to provide at least one of graphical and textual elements; andelectronics configured to receive a signal indicating an ambient light level, the electronics setting a brightness of the display using a first calculation in res
1. An aircraft display system, comprising: an electronic display configured to provide at least one of graphical and textual elements; andelectronics configured to receive a signal indicating an ambient light level, the electronics setting a brightness of the display using a first calculation in response to a desired contrast ratio and the ambient light level, wherein the first calculation is based on the equation: Desired Display Brightness=Ka+(Kb-KaKa)×Desired Contrast Ratio×Ambient Light, wherein the Desired Display Brightness comprises the brightness of the display, the Desired Contrast Ratio comprises the desired contrast ratio, the Ambient Light comprises the ambient light level, Ka comprises a minimum brightness level, and Kb comprises a slope of the brightness of the display for the desired contrast ratio based on the ambient light level. 2. The display system of claim 1, further comprising: a user interface configured to receive user input, the electronics configured to set the desired contrast ratio of the display in response to the user input and configured to provide a signal indicating the desired contrast ratio to the electronics. 3. The display system of claim 1, further comprising an ambient light sensor configured to sense the ambient light level in an area near the display, the ambient light sensor converting the sensed ambient light level to a voltage and providing the voltage to the electronics as the signal indicating the ambient light level. 4. The display system of claim 1, wherein the electronics is configured to use a second calculation in response to the desired contrast ratio and the ambient light level. 5. The display system of claim 4, wherein the electronics only calculates the first calculation if the ambient light level is below a predetermined threshold value and only calculates the second calculation if the ambient light level is above the predetermined threshold value, the electronics setting the brightness of the display using the performed calculation. 6. An aircraft display system, comprising: an electronic display configured to provide at least one of graphical and textual elements; andelectronics configured to receive a signal indicating an ambient light level, the electronics setting a brightness of the display using a first calculation in response to a desired contrast ratio and the ambient light level, and using a second calculation in response to the desired contrast ratio and the ambient light level, wherein the second calculation is based on the equation: Desired Display Brightness=(Desired Contrast Ratio−1)×Ambient Light, wherein the Desired Display Brightness comprises the brightness of the display, the Desired Contrast Ratio comprises the desired contrast ratio, and the Ambient Light comprises the ambient light level. 7. The display system of claim 6, wherein the first calculation is based on the equation: Desired Display Brightness=Ka+(Kb-KaKa)×Desired Contrast Ratio×Ambient Light, wherein the Desired Display Brightness comprises the brightness of the display, the Desired Contrast Ratio comprises the desired contrast ratio, the Ambient Light comprises the ambient light level, Ka comprises a minimum brightness level, and Kb comprises a slope that the brightness of the display for the contrast ratio based on the ambient light level. 8. The display system of claim 6, wherein the electronics compares the first calculation and the second calculation, the electronics setting the brightness of the display in using the calculation having the higher result. 9. The display system of claim 8, wherein the electronics calculates the first calculation and the second calculation simultaneously. 10. A method for setting a brightness of an aircraft display, comprising: receiving a signal indicating an ambient light level at electronics;receiving a signal indicating a desired contrast ratio for the display at the electronics; andsetting a brightness of the display using the electronics, the electronics using a first calculation in response to the desired contrast ratio and the ambient light level wherein the first calculation is based on the equation: Desired Display Brightness=(Desired Contrast Ratio−1)×Ambient Light, wherein the Desired Display Brightness comprises the brightness of the display, the Desired Contrast Ratio comprises the desired contrast ratio, and the Ambient Light comprises the ambient light level. 11. The method of claim 10, further comprising: receiving a user input at a user interface;providing the user input to the electronics as the signal indicating the contrast ratio to the electronics; andsetting the contrast ratio of the display in response to the user input using the electronics. 12. The method of claim 10, further comprising: sensing the ambient light level in an area near the display using an ambient light sensor;converting the sensed ambient light level to a voltage using the ambient light sensor; andproviding the voltage from the ambient light sensor to the electronics as the signal indicating the ambient light level. 13. A method for setting a brightness of an aircraft display, comprising: receiving a signal indicating an ambient light level at electronics;receiving a signal indicating a desired contrast ratio for the display at the electronics; andsetting a brightness of the display using the electronics, the electronics using a first calculation in response to the desired contrast ratio and the ambient light level, wherein the first calculation is based on the equation: Desired Display Brightness=Ka+(Kb-KaKa)×Desired Contrast Ratio×Ambient Light, wherein the Desired Display Brightness comprises the brightness of the display, the Desired Contrast Ratio comprises the desired contrast ratio, the Ambient Light comprises the ambient light level, Ka comprises a minimum brightness level, and Kb comprises a slope of the display brightness for the desired contrast ratio based on the ambient light level. 14. The method of claim 13, wherein setting the brightness uses a second calculation, wherein the second calculation is based on the equation: Desired Display Brightness=(Desired Contrast Ratio−1)×Ambient Light, wherein the Desired Display Brightness comprises the brightness of the display, the Desired Contrast Ratio comprises the desired contrast ratio, and the Ambient Light comprises the ambient light level. 15. The method of claim 13, further comprising: comparing the first calculation and a second calculation using the electronics; andsetting the brightness of the display using the electronics and using a higher result from the first calculation and the second calculation. 16. The method of claim 15, wherein the electronics calculates the first calculation and the second calculation simultaneously. 17. The method of claim 13, further comprising: calculating the first calculation using the electronics only if the ambient light level is below a predetermined threshold value;calculating a second calculation using the electronics only if the ambient light level is above the predetermined threshold value; andsetting the brightness of the display using the performed calculation. 18. The method of claim 17, wherein the predetermined threshold is between 0 and 10.5 fL. 19. An aircraft display system, comprising: means for receiving a signal indicating an ambient light level;means for receiving a signal indicating a desired contrast ratio for the display; andmeans for setting a brightness of the display using a first calculation in response to the desired contrast ratio and the ambient light level and using a second calculation in response to the desired contrast ratio and the ambient light level, wherein the first calculation is based on the equation: Desired Display Brightness=Ka+(Kb-KaKa)×Desired Contrast Ratio×Ambient Light, wherein the Desired Display Brightness comprises the brightness of the display, the Desired Contrast Ratio comprises the desired contrast ratio, the Ambient Light comprises the ambient light level, Ka comprises a minimum brightness level, and Kb comprises a slope of the display brightness for the desired contrast ratio based on the ambient light level, wherein the second calculation is based on the equation: Desired Display Brightness=(Desired Contrast Ratio−1)×Ambient Light, wherein the Desired Display Brightness comprises the brightness of the display, the Desired Contrast Ratio comprises the desired contrast ratio, and the Ambient Light comprises the ambient light level. 20. The system of claim 19, further comprising: means for comparing the first and second calculations; andmeans for setting the brightness of the display using the calculation having the higher result.
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