IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0863140
(2001-05-22)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
50 |
초록
A display system for an airplane or other vehicle is disclosed. A rear projection LCD is used to allow for a maximum amount of screen area to be used in displaying operator pertinent data.
대표청구항
▼
1. A method of warning an airplane pilot of dangerous proximity to an obstacle using a rear projecting display device, comprising: (d) receiving G.P.S. data providing the plane's current geographical location; (e) comparing the received G.P.S. data with topographical data stored in a computer m
1. A method of warning an airplane pilot of dangerous proximity to an obstacle using a rear projecting display device, comprising: (d) receiving G.P.S. data providing the plane's current geographical location; (e) comparing the received G.P.S. data with topographical data stored in a computer memory and determining whether the plane is within a predetermined threshold range of an obstacle; and (f) if the plane is within the predetermined threshold, projecting a visual warning on a screen using a rear projection system, the rear projection system for projecting aviation information onto a display screen having a first geometric shape, the system further having an image generator mounted within a housing and spaced from and not coupled to the display screen, the image generator including: a rear projection LCD, which generates an image containing the aviation information to be displayed on the screen, the LCD having a total potential image generation area of a second geometric shape that is different from the first geometric shape, anda projection lens for projecting the image from the LCD to the display screen.2. A method of warning an airplane pilot of proximity to an obstacle using a rear projection display device, comprising: receiving sensor data from multiple sensors within the plane; using the sensor data to calculate the current location and current flight path of the plane; using the calculated current location and present flight path to look up data in a topographical data database to determine whether obstacles are within the current flight path or a predetermined location of the plane; if an obstacle is within a predetermined location of the plane, but not within the current flight path, project a first visual warning on a display screen having a first geometric shape using a rear projection system, the rear projection system having an image generator mounted within a housing and spaced from and not coupled to the display screen, including: a rear projection LCD, which generates an image containing the aviation information to be displayed on the screen, the LCD having a total potential image generation area of a second geometric shape that is different from the first geometric shape, anda projection lens for projecting the image from the LCD to the screen; and if an obstacle is within the current flight path, project a second visual warning, which indicates a greater severity level than the first visual warning, on the display screen using the rear projection system. 3. The method of claim 2, wherein the rear projection system includes: a light source, a condenser lens for collimating light from the light source, means for converting the collimated light into a red light component, a green light component and a blue light component and projecting the red, green and blue light components at different angles; an LCD, which receives the red, green and blue light components and generates, under control of a microprocessor, the desired color images to be displayed, and a projection lens for projecting the desired color images from the LCD to the rear projection screen. 4. The method of claim 3, wherein said receiving step includes the step of receiving G.P.S. data providing the plane's current geographical location.5. The method of claim 3, wherein said sensors data includes data from a flux gate and gyro.6. The method of claim 2, wherein said receiving step includes the step of receiving G.P.S. data providing the plane's current geographical location.7. The method of claim 2, wherein said sensors data includes data from a flux gate and gyro.8. A method of operating an avionics display system using a rear projection display unit, the method comprising: providing a rear projection avionics display device comprising: a housing,a display screen having a total displayable area of a first geometric shape for displaying aviation information, the display screen being mounted to cover an op en end of the housing, the total display area of the display screen having an aspect ratio of 1:1,a rear projection imager, for projecting the aviation information on the screen, having a total potential image generation area of a second geometric shape that is different from the first geometric shape, the imager being mounted within the housing, the imager being spaced from and not coupled to the display screen, the total potential image generation area of the imager having an aspect ratio of 4:3, anda user input mechanism for altering the type of information projected on the screen; receiving data concerning various parameters of potential interest to a pilot; based on the user input mechanism and the received data, projecting information of interest onto the screen; receiving sensor data from sensors within the plane; using the sensor data to calculate the current location and current flight path of the plane; using the calculated current location and current flight path to look up data in a topographical data database to determine whether obstacles are within the current flight path or a predetermined location of the plane; if an obstacle is within a predetermined location of the plane, but not within the current flight path, project a first visual warning on a display screen using the rear projection imager even if the user input mechanism is set such that such information is not selected for viewing by the pilot; and if an obstacle is within the current flight path, project a second visual warning, which indicates a greater severity level than the first visual warning, on the display screen using the rear projection imager even if the user input mechanism is set such that such information is not selected for viewing by the pilot.9. The method of claim 8, wherein the rear projection imager includes: a light source, a condenser lens for collimating light from the light source, means for converting the collimated light into a red light component, a green light component and a blue light component and projecting the red, green and blue light components at different angles; an LCD, which receives the red, green and blue light components and generates, under control of a microprocessor, the desired color images to be displayed, and a projection lens for projecting the desired color images from the LCD to the rear projection screen. 10. The method of claim 9, wherein said receiving step includes the step of receiving G.P.S. data providing the plane's current geographical location.11. The method of claim 9, wherein said sensors data includes data from a flux gate and gyro.12. The method of claim 8, wherein said receiving step includes the step of receiving G.P.S. data providing the plane's current geographical location.13. The method of claim 8, wherein said sensors data includes data from a flux gate and gyro.14. A method of warning an airplane pilot of dangerous proximity to an obstacle using a rear projecting display device, comprising: (a) receiving sensor data providing the plane's current geographical location; (b) comparing the received sensor data with topographical data stored in a computer memory and determining whether the plane is within a predetermined threshold range of an obstacle; and (c) if the plane is within the predetermined threshold, projecting a visual warning on a screen using a rear projection system, the rear projection system for projecting aviation information onto a display screen having a first geometric shape, and having an image generator mounted within a housing and spaced from and not coupled to the display screen, including: a rear projection LCD, which generates an image containing the aviation information to be displayed on the screen, the LCD having a total potential image generation area of a second geometric shape that is different from the first geometric shape, anda projection lens for projecting the image from the LCD to the screen.
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