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    • 1. 发明申请
    • AUTOMOBILE HEAD-UP DISPLAY SYSTEM
    • 汽车顶盖显示系统
    • WO8903059A3
    • 1989-04-20
    • PCT/US8803226
    • 1988-09-16
    • FLIGHT DYNAMICS INC
    • WOOD ROBERT BTHOMAS MARK ADESMOND JOHN P
    • B60K35/00G02B5/30G02B27/00G02B27/01
    • G02B27/0101B60K2350/1064B60K2350/2052G02B5/30G02B6/00G02B27/01G02B27/0149G02B2027/012G02B2027/013G02B2027/0154G02B2027/0187
    • An optical display system (10) presents visual source information to an observer (18). The display system includes a vision unit (14) that has reflective surfaces (16) through which the observer can view an outside world scene and which reflect source information emanating from an information source (22) for display to the observer. In a preferred embodiment, the optical display system constitutes a head-up display system for an automobile and the observer is the driver of the automobile. The vision unit constitutes an automobile windshield with or without a reflection enhancement material and whose inner and outer surfaces reflect source information carried by light propagating from the information source, such as a liquid crystal display (32). A projection lens system (24) positioned between the inner surface of the windshield and the information source has optical light-directing properties for compensating for optical aberrations introduced by the nonplanar windshield surface. The projection lens system includes an aspheric element (262) that is unique to a specific aspheric windshield shape and remaining elements that are common to a great number of different windshield shapes. A positioning mechanism (130) allows the driver to adjust the vertical position of the source information (60) reflected by the windshield within a total display field of view for optimal viewing by a seated driver. The positioning mechanism also automatically changes the distance between the display image and the driver as a function of vehicle speed to promote safe vehicle operation.
    • 2. 发明申请
    • AUTOMOBILE HEAD-UP DISPLAY SYSTEM
    • 汽车顶盖显示系统
    • WO1989003059A2
    • 1989-04-06
    • PCT/US1988003226
    • 1988-09-16
    • FLIGHT DYNAMICS, INC.
    • FLIGHT DYNAMICS, INC.WOOD, Robert, B.THOMAS, Mark, A.DESMOND, John, P.
    • G02B27/00
    • G02B27/0101B60K2350/1064B60K2350/2052G02B5/30G02B6/00G02B27/01G02B27/0149G02B2027/012G02B2027/013G02B2027/0154G02B2027/0187
    • An optical display system (10) presents visual source information to an observer (18). The display system includes a vision unit (14) that has reflective surfaces (16) through which the observer can view an outside world scene and which reflect source information emanating from an information source (22) for display to the observer. In a preferred embodiment, the optical display system constitutes a head-up display system for an automobile and the observer is the driver of the automobile. The vision unit constitutes an automobile windshield with or without a reflection enhancement material and whose inner and outer surfaces reflect source information carried by light propagating from the information source, such as a liquid crystal display (32). A projection lens system (24) positioned between the inner surface of the windshield and the information source has optical light-directing properties for compensating for optical aberrations introduced by the nonplanar windshield surface. The projection lens system includes an aspheric element (262) that is unique to a specific aspheric windshield shape and remaining elements that are common to a great number of different windshield shapes. A positioning mechanism (130) allows the driver to adjust the vertical position of the source information (60) reflected by the windshield within a total display field of view for optimal viewing by a seated driver. The positioning mechanism also automatically changes the distance between the display image and the driver as a function of vehicle speed to promote safe vehicle operation.
    • 光学显示系统(10)将视觉源信息呈现给观察者(18)。 显示系统包括具有反射表面(16)的视觉单元(14),观察者可以通过该反射表面(16)观看外部世界场景,并且反射从信息源(22)发出的用于向观察者显示的源信息。 在优选实施例中,光学显示系统构成用于汽车的平视显示系统,观察者是汽车的驾驶员。 视觉单元构成具有或不具有反射增强材料的汽车挡风玻璃,其内表面和外表面反射从诸如液晶显示器(32)的信息源传播的光所携带的源信息。 位于挡风玻璃的内表面和信息源之间的投影透镜系统(24)具有用于补偿由非平面挡风玻璃表面引入的光学像差的光学导光性能。 投影透镜系统包括对于特定的非球面挡风玻璃形状是独特的非球面元件(262)和与许多不同挡风玻璃形状相同的剩余元件。 定位机构(130)允许驾驶员在整个显示视野范围内调整由挡风玻璃反射的源信息(60)的垂直位置,以便由坐着的驾驶员进行最佳观看。 定位机构还根据车速自动改变显示图像和驾驶员之间的距离,以促进车辆的安全运行。
    • 7. 发明专利
    • DE3485511D1
    • 1992-03-26
    • DE3485511
    • 1984-11-30
    • FLIGHT DYNAMICS INC
    • DESMOND JOHN PFORD DOUGLAS WFOSSEY MICHAEL ESTANBRO MICHAELZIMMERMAN KENNETH A
    • G06F11/16G06F11/32G06F11/00G05D1/00G05B9/03
    • A method and apparatus for detecting control system data processing errors are described. The apparatus comprises two input buffers (12 and 14) for receiving system input data such as information about the condition of an aircraft. A first processing means of the apparatus includes a control law processor (18) which compares the signals input to the two input buffers (12 and 14) to determine whether either of those inputs is in error. The control law processor (18) having determined that the input data is not in error performs a first predetermined operational function on the data. A system monitor processor (26) is provided to perform a second operational function on data output from the control law processor. The second operational function is preferably the inverse of the first operational function. The data derived by the system monitor processor (26) by performing the second operational function thereon is compared with the input data to determine whether they differ by a predetermined tolerance enabling, in particular, latent software errors which are unique to a particular computer program to be detected. The processing system also includes a display apparatus (36,50,52) which develops from the output information of the control law processor (18) a set of display symbols convey the information on a monitor screen to, for example, the pilot of an aircraft. An identifying tag is assigned to each display symbol to identify in a real time a display symbol that conveys erroneous information.
    • 8. 发明公开
    • Holographic optical display system with optimum brigtness uniformity
    • 全光学显示系统,具有最佳的可靠性
    • EP0200022A3
    • 1988-04-13
    • EP86104568
    • 1986-04-03
    • FLIGHT DYNAMICS, INC.
    • Wood, Robert B.Hung, Jen-LihJee, Norman S.
    • G02B27/00G02B05/32
    • G02B27/0103G02B2027/0109G02B2027/0118
    • (D An optical display system (10) employs a holographic optical element (20 or 22) that has a holographic fringe pattern which is coordinated with the phosphor emission peak (32) of a cathode ray tube (24) to eliminate perceptible variations in image brightness. The holographic optical element has a reflection characteristic (34) that defines two diffraction efficiency peaks (36 and 38) which are resolved by a low diffraction efficiency dip (40) that is interposed between them. The optimum wavelength spacing between the two diffraction efficiency peaks for a given wavelength spacing is determined by computing for all observer (28) head positions and look angles of concern the differences among the areas under the intergrated efficiency characteristics (42) for the reflection characteristic (30) holographic optical element and the phosphor emission characteristic of the image-producing cathode ray tube. The optimum wavelength spacing is that which provides the desired variation among the computed difference values, which represent the display brightness uniformity. The center dip reflection characteristic increases the spectral bandwidth of the holographic optical element and thereby increases its reflectivity to promote good contrast with the use of a cathode ray tube operating at reduced beam current levels. When installed as a combiner (12 or 14) in a head-up display system (10) for aircraft, the holographic optical element superimposes the image on an outside scene without introducing significant discoloration of the scene.
    • 9. 发明公开
    • Method and apparatus for detecting control system data processing errors
    • 用于检测控制系统数据处理错误的方法和装置
    • EP0144226A3
    • 1987-03-11
    • EP84308342
    • 1984-11-30
    • FLIGHT DYNAMICS, INC.
    • Desmond, John P.Ford, Douglas W.Fossey, Michael E.Stanbro, MichaelZimmerman, Kenneth A.
    • G06F11/00G06F11/14
    • G06F11/1637G06F11/321G06F11/328
    • A method and apparatus for detecting control system data processing errors are described. The apparatus comprises two input buffers (12 and 14) for receiving system input data such as information about the condition of an aircraft. A first processing means of the apparatus includes a control law processor (18) which compares the signals input to the two input buffers (12 and 14) to determine whether either of those inputs is in error. The control law processor (18) having determined that the input data is not in error performs a first predetermined operational function on the data. A system monitor processor (26) is provided to perform a second operational function on data output from the control law processor. The second operational function is preferably the inverse of the first operational function. The data derived by the system monitor processor (26) by performing the second operational function thereon is compared with the input data to determine whether they differ by a predetermined tolerance enabling, in particular, latent software errors which are unique to a particular computer program to be detected. The processing system also includes a display apparatus (36, 50, 52) which develops from the output information of the control law processor (18) a set of display symbols that convey the information on a monitor screen to, for example, the pilot of an aircraft. An identifying tag is assigned to each display symbol to identify in a real time a display symbol that conveys erroneous information.
    • 10. 发明公开
    • Method and apparatus for detecting control system data processing errorsof an aircraft flight guidance system.
    • 用于检测飞行器的飞行器转向系统的控制系统的数据处理错误的方法和装置。
    • EP0144226A2
    • 1985-06-12
    • EP84308342.9
    • 1984-11-30
    • FLIGHT DYNAMICS, INC.
    • Desmond, John P.Ford, Douglas W.Fossey, Michael E.Stanbro, MichaelZimmerman, Kenneth A.
    • G06F11/00G06F11/16G05D1/00G05B9/03
    • G06F11/1637G06F11/321G06F11/328
    • A method and apparatus for detecting control system data processing errors are described. The apparatus comprises two input buffers (12 and 14) for receiving system input data such as information about the condition of an aircraft. A first processing means of the apparatus includes a control law processor (18) which compares the signals input to the two input buffers (12 and 14) to determine whether either of those inputs is in error. The control law processor (18) having determined that the input data is not in error performs a first predetermined operational function on the data. A system monitor processor (26) is provided to perform a second operational function on data output from the control law processor. The second operational function is preferably the inverse of the first operational function. The data derived by the system monitor processor (26) by performing the second operational function thereon is compared with the input data to determine whether they differ by a predetermined tolerance enabling, in particular, latent software errors which are unique to a particular computer program to be detected. The processing system also includes a display apparatus (36, 50, 52) which develops from the output information of the control law processor (18) a set of display symbols that convey the information on a monitor screen to, for example, the pilot of an aircraft. An identifying tag is assigned to each display symbol to identify in a real time a display symbol that conveys erroneous information.
    • 一种用于检测控制系统的数据处理的错误的方法和装置进行说明。 该装置包括两个输入缓冲器(12和14),用于接收输入数据的系统:如关于飞行器的状况的信息。 第一处理装置的装置包括一个输入到两个输入缓冲器(12和14)的信号进行比较,以确定是否矿无论这些输入的是在差错控制处理器法(18)。 具有确定性开采所做的输入数据不是在误差控制规则处理器(18)执行对数据的第一预定操作的功能。 A系统监测处理器(26)被设置成从所述控制处理器执行法律上的数据输出端的第二运算功能。 第二运算功能,优选为第一运算函数的逆。 通过在其上执行所述第二操作功能由系统监控处理器(26)导出的数据与输入数据,以确定矿相比是否区分由预定容限使得能够,特别是潜软件错误哪个是唯一的一个特定的计算机程序,以 被检测到。 因此,该处理系统包括:从所述控制律处理器(18)的一组显示符号的输出信息开发出一种显示装置(36,50,52)传送的信息的监视器屏幕上,例如,一个导频 飞机。 上识别标签分配给每个显示符号在一个实时识别显示一个符号确实传达错误信息。