Measuring system for determining the electromechanical...

Details Measuring system for determining the electromechanical... Measuring system for determining the electromechanical...

2007-11-06

2007-11-06

Lee, John R. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C073S570500

Reexamination Certificate

active

11313667

ABSTRACT:
A measuring system for determining the electromechanical coupling characteristics of a piezoceramic (PZT) vibrator, which apply photo-interrupters matrix, glass tube, and metal ball to measure the bouncing motion, wherein the system includes an elastic-bouncing tester, a height measuring circuit, an instantaneous height indicator, a microprocessor, a monitor, and a driving circuit. There is a metal ball in the elastic-bouncing tester. By measuring the bouncing height and flying time, it can determine the electromechanical coupling characteristics of a PZT vibrator or the hardness of other rigid objects.

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patent: 5245862 (1993-09-01), Zeiss
patent: 2004/0206156 (2004-10-01), Barr

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