Signal acquisition probe having a retractable double...

Details Signal acquisition probe having a retractable double... Signal acquisition probe having a retractable double...

2007-08-07

2007-08-07

Nguyen, Vinh P. (Department: 2829)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

Reexamination Certificate

active

11139111

ABSTRACT:
A measurement probe has a spring loaded probe assembly and a pressure sensor disposed in a housing. The pressure sensor forms an electrical switch for passing an activation signal to a EOS/ESD protection module in response to axial movement of the housing relative to the probe assembly. A first compressive element produces a first pre-loaded compressive force and an increasing compressive force on the probe assembly and a second compressive element produces a second pre-loaded compressive force and an increasing compressive force on the probe assembly subsequent to the first increasing compressive force.

REFERENCES:
patent: 4673839 (1987-06-01), Veenendaal
patent: 4721903 (1988-01-01), Harsch et al.
patent: 6704670 (2004-03-01), McTigue
patent: 6734689 (2004-05-01), Yang
patent: 7017435 (2006-03-01), Pooley et al.
patent: 7126360 (2006-10-01), Yang

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