Process and apparatus for evaluating the degree of vacuum in...

Details Process and apparatus for evaluating the degree of vacuum in... Process and apparatus for evaluating the degree of vacuum in...

2008-01-29

2008-01-29

Nguyen, Vincent Q. (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

C324S460000, C073S049300

Reexamination Certificate

active

07323881

ABSTRACT:
The invention is based on feeding the closed bodies to be evaluated to a station for the application of high voltage for the formation of the arc across the inner space of the body and capturing the arc formed by means of a CCD camera which will compare, adjustably, the luminous intensity of the arc created within the body subjected to checking with a threshold value determining whether the luminous intensity is above or below the threshold, which will be the rejection threshold, rejecting the bodies which do not comply with the predetermined threshold value, separating them from the whole of the accepted bodies.

REFERENCES:
patent: 4152213 (1979-05-01), Ahnell
patent: 4517827 (1985-05-01), Tapscott
patent: 4546319 (1985-10-01), Pfaff et al.
patent: 4882543 (1989-11-01), Siegal
patent: 5105654 (1992-04-01), Maruyama et al.
patent: 5399973 (1995-03-01), Kitamura et al.
patent: 6347546 (2002-02-01), Rule
patent: 6446493 (2002-09-01), Lehmann

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