Optical vibrometer

Details Optical vibrometer Optical vibrometer

1987-09-24

1988-09-06

Levy, Stewart J.

Measuring and testing

Vibration

Sensing apparatus

356349, 356358, G01H 900

Patent

active

047683813

ABSTRACT:
Three dimensional vibration of an object can be measured based on the light generated by a light source and the light reflected on a conical concave reflective surface disposed on the object. Measurement of the vibration is performed by using a measuring device for measuring frequency deviation of the reflected light and a device for measuring deviation of reflection position of the reflected light.

REFERENCES:
Sanders, J. W., "Digital Transducer for Petroleum Exploration", IBM Technical Disclosure Bulletin, vol. 10, No. 5, (Oct. 1967).
"Measurement of Speaker Vibration Using Laser Doppler Vibrometer", Automation, Nikkan Kougyou Shinbunsha, Sep. 1982.
"Laser Doppler Vibrometer Equipped for Mobile Robot", Ouyou Kiki Kenkyusho of Mitsubishi Denki Kabushiki Kaisha.
"Application and Guide for Indicator of Optical Position", Marubun Co., Ltd.

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