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    • 7. 发明授权
    • Multiple message selective telltale display
    • 多个消息选择性显示
    • US5510776A
    • 1996-04-23
    • US140949
    • 1993-10-25
    • Morgan D. MurphyDiego A. BorregoSteven G. Skiver
    • Morgan D. MurphyDiego A. BorregoSteven G. Skiver
    • B60K35/00B60Q3/04G05B23/02G09G3/00
    • B60Q3/044B60K35/00B60Q3/046
    • A plurality of optical projectors focus telltale messages, one at a time, onto a vehicle instrument panel display area. In one embodiment a logic circuit assigns priority to the messages and displays only the message of higher priority when more than one message is prompted. The projection lamps are high intensity LEDs arranged in parallel but having diodes in series with lower priority lamps to hold them off when a higher priority lamp is energized. A constant current source regulates the LED current. In another embodiment two message lamps are controlled by a logic circuit such that when both are prompted for display an oscillator causes the messages to be displayed alternately, but when either message alone is prompted, its lamp will be energized continuously.
    • 多个光学投影仪将识别信息重点集中在车辆仪表板显示区域上。 在一个实施例中,当提示多于一个消息时,逻辑电路分配消息的优先级并仅显示优先级较高的消息。 投影灯是并排布置的高亮度LED,但是具有与较低优先级灯串联的二极管,以在较高优先级的灯被通电时保持关闭。 恒定电流源调节LED电流。 在另一个实施例中,两个消息灯由逻辑电路控制,使得当两者都被提示显示时,振荡器使得消息被交替地显示,但是当单独的消息被提示时,其灯将被连续通电。