Printed circuit board assembly

Details Printed circuit board assembly Printed circuit board assembly

2009-05-21

2011-11-29

Edmonds, Lisa Lea (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S767000

Reexamination Certificate

active

08068333

ABSTRACT:
A PCB assembly includes a PCB. The PCB includes a detecting pad, a detecting voltage terminal and the controller. The detecting pad includes an accessing layer and a grounding layer. The grounding layer is connected to the ground. The accessing layer is electrically insulated from the grounding layer. The detecting voltage terminal is connected to the accessing layer of the detecting pad. The controller is connected to the accessing layer of the detecting pad. When the accessing layer is not connected to the grounding layer, the controller receives a high level voltage signal from the detecting pad. When the accessing layer is connected to the grounding layer, the controller receives a low level voltage signal from the detecting pad, and therefore the PCB is capable of determining what computer system the PCB is coupled with.

REFERENCES:
patent: 4888665 (1989-12-01), Smith
patent: 6894220 (2005-05-01), Kozak et al.
patent: 7071016 (2006-07-01), Park et al.
patent: 7835158 (2010-11-01), Kinsley
patent: 2011/0047392 (2011-02-01), Wang et al.

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