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Apparatus for photographing meteors

阅读:614发布:2023-05-11

专利汇可以提供Apparatus for photographing meteors专利检索,专利查询,专利分析的服务。并且Apparatus for photographing meteors in a selected area of the sky only at times meteors are likely to be passing through the area. A photomultiplier is pointed in the direction of the area. When a meteor passes through the area the signal output of the photomultiplier increases. Means are provided that activates a camera, pointed at said area, in response to an increased signal from the photomultiplier. Hence, the camera photographs the selected area only while meteors are likely to be passing through the area.,下面是Apparatus for photographing meteors专利的具体信息内容。

1. Apparatus for photographing meteors in a selected area of the sky comprising: means for producing an electrical signal proportional to the intensity of light emanating from said selected area of the sky; means for photographing said selected area of the sky while activated including a shutter, a rotary solenoid attached to the shutter for rotating the shutter whenever power is applied to the rotary solenoid, a power source, a relay having its coil connected to said means for producing an electrical signal and having its contacts connected between said power supply and said rotary solenoid, and capacitor means connected between the junction of said contacts and said power supply so that it is charged while said contacts are open whereby whenever the intensity of said light exceeds said predetermined value said contacts close applying a large surge of current to said rotary solenoid to cause it to rapidly operate said shutter; and means responsive to said electrical signal for activating said photographing means while the amplitude of said electrical signal exceeds a predetermined value whereby said photographing means photographs said selected area of the sky only at times meteors are likely to be passing through said selected area.
2. Apparatus according to claim 1 including a variable resistor connected between said power supply and said capacitor means for regulating the voltage applied across said rotary solenoid while said contacts are closed.
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