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    • 63. 发明授权
    • Projection headlamp lighting system for projecting a wide spread
controlled pattern of light
    • 投影大灯照明系统,用于投射广泛控制的光线图案
    • US5414601A
    • 1995-05-09
    • US991599
    • 1992-12-16
    • John M. DavenportRichard L. HanslerJohn L. Henkes
    • John M. DavenportRichard L. HanslerJohn L. Henkes
    • F21S8/12F21S8/10F21V7/00F21V7/08F21V7/22F21V11/16F21V13/00F21V14/00G02B3/08H01J61/88B60Q1/04
    • F21S48/1388F21S48/1394F21S48/145F21V7/22
    • A projection headlamp system is capable of projecting a wide spread controlled pattern of light for accommodating low and high beam illuminations. The projection headlamp system includes a curved reflector and a gas discharge lamp. The curved reflector has first and second optical focal points associated therewith positioned along an optical axis. The first focal point is within and closer to the curved reflector than the second focal point which is spaced from the reflector. The lamp is disposed within the curved reflector at the first focal point thereof and along the optical axis. The lamp is operable for generating light. The curved reflector is operable for receiving a substantial portion of the light generated by the lamp and for directing the light along the optical axis toward the second focal point thereof. An optical element such as a mask or mask-shaped mirror is positioned along the optical axis approximately at the second focal point of the reflector for creating an image of a well-defined sharp cutoff within the light from the reflector. A light projecting lens is positioned along the optical axis and spaced from the optical element at a distance approximately equal to the focal length of the lens for receiving light from the second focal point and projecting the light as a wide spread controlled pattern containing the image of the well-defined sharp cutoff to thereby provide a low beam illumination for vehicular use.
    • 投影前照灯系统能够投射广泛控制的光线,以适应低光束和高光束照明。 投影头灯系统包括弯曲反射器和气体放电灯。 弯曲的反射器具有与光轴相关联的第一和第二光学焦点。 第一焦点在与反射器间隔开的第二焦点之内并且更靠近弯曲反射器。 灯在其第一焦点处并沿着光轴设置在弯曲反射器内。 该灯可操作以产生光。 弯曲反射器可操作用于接收由灯产生的光的大部分,并且用于沿着光轴将光引向其第二焦点。 诸如掩模或掩模形反射镜的光学元件大致位于反射器的第二焦点处的光轴处,以在来自反射器的光中产生明确限定的锐利截止图像。 光投影透镜沿着光轴定位并且与光学元件间隔开大约等于透镜的焦距的距离,用于接收来自第二焦点的光并且将光作为宽扩展控制图案投影,包含图像的图像 明确的锐利截止,从而为车辆使用提供了低光束照明。
    • 65. 发明授权
    • Xenon-metal halide lamp particularly suited for automotive applications
    • 氙金属卤化物灯特别适用于汽车应用
    • US5221876A
    • 1993-06-22
    • US773742
    • 1991-10-10
    • Rolf S. BergmanJohn M. DavenportRichard L. Hansler
    • Rolf S. BergmanJohn M. DavenportRichard L. Hansler
    • F21S8/10H01J61/86
    • H01J61/86F21S48/1186
    • A lamp containing a fill of xenon, mercury and metal halide is disclosed which serves as a light source for lighting applications and is particularly suitable for automotive forward lighting applications. The xenon ingredient operates to provide for instant light necessary for automotive applications, whereas, the mercury and metal halide ingredients operate to provide for a long life, high efficiency lamp relative to either a xenon or tungsten lamp. The dimensions of the xenon-metal halide lamp of the present invention are approximately three-fifths (3/5) of those of a typical tungsten lamp utilized for automotive forward lighting applications. The reduced dimensions of the xenon-metal halide lamp allows for correspondingly reduced dimensions of a related reflector for such a xenon-metal halide lamp which accommodates the needs of aerodynamically styled automobiles.
    • 公开了一种包含氙,汞和金属卤化物填充物的灯,其用作照明应用的光源,并且特别适用于汽车正向照明应用。 氙气成分用于为汽车应用提供必要的即时光,而汞和金属卤化物成分可以相对于氙灯或钨灯提供长寿命,高效率的灯。 本发明的氙金属卤化物灯的尺寸大约是用于汽车正向照明应用的典型钨灯的五分之三(3/5)。 氙金属卤化物灯的尺寸减小允许相应地减小这种适合空气动力学样式的汽车需要的氙金属卤化物灯的相关反射器的尺寸。
    • 67. 发明授权
    • Xenon-metal halide lamp particularly suited for automotive applications
    • 氙金属卤化物灯特别适用于汽车应用
    • US5059865A
    • 1991-10-22
    • US539276
    • 1990-06-18
    • Rolf S. BergmanJohn M. DavenportRichard L. Hansler
    • Rolf S. BergmanJohn M. DavenportRichard L. Hansler
    • F21S8/10H01J61/86
    • H01J61/86F21S48/1186
    • A lamp containing a fill of xenon, mercury and metal halide is disclosed which serves as a light source for lighting applications and is particularly suitable for automotive forward lighting applications. The xenon ingredient operates to provide for instant light necessary for automotive applications, whereas, the mercury and metal halide ingredients operate to provide for a long life, high efficiency lamp relative to either a xenon or tungsten lamp. The dimensions of the xenon-metal halide lamp of the present invention are approximately three-fifths (3/5) of those of a typical tungsten lamp utilized for automotive forward lighting applications. The reduced dimensions of the xenon-metal halide lamp allows for correspondingly reduced dimensions of a related reflector for such a xenon-metal halide lamp which accommodates the needs of aerodynamically styled automobiles.
    • 公开了一种包含氙,汞和金属卤化物填充物的灯,其用作照明应用的光源,并且特别适用于汽车正向照明应用。 氙气成分用于为汽车应用提供必要的即时光,而汞和金属卤化物成分可以相对于氙灯或钨灯提供长寿命,高效率的灯。 本发明的氙金属卤化物灯的尺寸大约是用于汽车正向照明应用的典型钨灯的五分之三(3/5)。 氙金属卤化物灯的尺寸减小允许相应地减小这种适合空气动力学样式的汽车需要的氙金属卤化物灯的相关反射器的尺寸。
    • 69. 发明授权
    • Metal halide lamp having vacuum shroud for improved performance
    • 金属卤化物灯具有真空罩,以提高性能
    • US4935668A
    • 1990-06-19
    • US157360
    • 1988-02-18
    • Richard L. HanslerPark FrenchJohn M. Davenport
    • Richard L. HanslerPark FrenchJohn M. Davenport
    • H01J61/20F21S8/10H01J61/34
    • H01J61/34F21S48/1186
    • A metal halide lamp having a vacuum shroud is disclosed. The vacuum shroud substantially eliminates the detrimental catephoresis effects of operating a metal halide lamp from a low frequency alternating current (A.C.) source or direct current (D.C.) sources, reduces the sodium migration losses typically experienced with a metal halide lamp, reduces the photoelectrons contribution to sodium losses for the metal halide lamp, reduces the detrimental effects of the hydrogen and water that may be within the general confines of such a metal halide lamp, and provides a containment function for an inner envelope that may be operated at a relatively high pressure and possibly experience rupturing to cause the dislodgment of the ruptured material to possibly fracture a glass member confining the metal halide lamp.
    • 公开了一种具有真空罩的金属卤化物灯。 真空护罩基本上消除了从低频交流(AC)源或直流(DC)源操作金属卤化物灯的有害的电离效应,降低了金属卤化物灯通常经历的钠迁移损耗,降低了光电子的贡献 对于金属卤化物灯的钠损失降低了可能在这种金属卤化物灯的一般范围内的氢和水的有害影响,并且提供了可以在相对较高压力下操作的内包层的容纳功能 并且可能经历断裂以导致破裂材料的移动,从而可能破坏限制金属卤化物灯的玻璃构件。