Method for measuring the characteristics of mechanical-to-electrical transducers专利检索-振动台施工工具及设备专利检索查询-专利查询网

Method for measuring the characteristics of mechanical-to-electrical transducers

阅读：747发布：2023-02-18

专利汇可以提供Method for measuring the characteristics of mechanical-to-electrical transducers专利检索，专利查询，专利分析的服务。并且A transducer to be tested is mounted on a shaking table which is energized by a desired driving test signal. The table''s motion is precisely measured with reference to an inertial system, for example, a freely falling body. The precise measurement of the shaking table''s movements is correlated with the electric output signal from the transducer, and the result of this correlation allows an accurate measurement of the characteristics of the transducer subjected to vibrations by the shaking table.，下面是Method for measuring the characteristics of mechanical-to-electrical transducers专利的具体信息内容。

权利要求

1. A method for testing a mechanical-to-electrical transducer comprising the steps of: mounting said transducer on a support platform; vibrating said platform in accordance with a desired test signal; releasing a free-falling body; precisely measuring the motion of said platform with reference to said free- falling body; and comparing the transducer''s output electrical signal, induced by the vibrations of said platform, with the precisely measured motion to obtain an accurate measurement of the transducer''s characteristics.

2. The method of claim 1 wherein said motion is measured with laser beams.

3. The method of claim 2 wherein said free falling body is maintained in an evacuated chamber.

4. The method of claim 2 wherein said free falling body is a laser beam generator.

5. The method of claim 1 wherein said support platform is a shaking table.

6. The method of claim 1 wherein, said motion is measured by simultaneously measuring a first distance and a second distance, said first distance being between a distance-measuring device and said platform, and said second distance being between said distance-measuring device and said falling body.

7. The method of claim 1 wherein said motion is measured by measuring the distance between the falling body and said platform.

8. A method of measuring the motion of a transducer comprising the steps of: mounting said transducer on a support platform; moving said platform in accordance with a desired test signal; and precisely measuring the motion of said transducer with reference to a freely-falling body.

9. The method of claim 8, wherein said transducer is a mechanical-to-electrical transducer, and measuring the transducer''s output electric signal induced by the motion of said platform.

10. The method of claim 9, and comparing said output electric signal with the measured motion of said transducer to obtain an accurate measurement of the transducer''s characteristics.

11. An apparatus for measuring the motion of a transducer comprising: a support platform for supporting said transducer; means moving said platform in accordance with a desired test signal; and means measuring the motion of said platform with reference to a freely-falling body.

12. The apparatus of claim 11 wherein said body freely falls within a vacuum chamber.

13. A method of measuring the motion of a transducer comprising the steps of: mounting said transducer on a support platform; moving said platform in accordance with a desired test signal; precisely measuring the relative motion between said transducer and a reference body; and isolating said reference body from external vibrations by maintaining said reference body in a state of free fall.

14. The method of claim 13 wherein said reference body is contained within an evacuated enclosure.

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Method for measuring the characteristics of mechanical-to-electrical transducers

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