Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition
Reexamination Certificate
1999-07-12
2002-10-29
Reichard, Dean A. (Department: 2831)
Electricity: conductors and insulators
Anti-inductive structures
Conductor transposition
C361S737000, C361S752000, C361S818000
Reexamination Certificate
active
06472595
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a compact flash card, and more particularly to a compact flash card having enhanced rigidity and grounding effect.
DESCRIPTION OF PRIOR ART
An electrical card generally includes upper and lower halves assembled together, and a printed circuit board disposed therein. The printed circuit board is mounted with the connector for mating with another complimentary connector. In order to ensure reliable signal transmission, metal panels are assembled to the upper and lower casings to shield interference. Because the electrical card has a comparable thin thickness, it can be readily warped thereby damaging the compact card.
SUMMARY OF THE INVENTION
An objective of this invention is to provide a compact flash card with comparable thin thickness while having enhanced rigidity and grounding effect.
In order to achieve the objective set forth, a compact flash card comprises a lower half defining a receiving space by peripheral wall thereof. A pair of posts is arranged diagonally on the lower half. An upper half is assembled to the lower half defining at least a pair of holes corresponding to the posts. The upper and lower halves each includes a metal panel. A gap is defined between the lower and upper halves for receiving a printed circuit board. The printed circuit board includes a pair of holes corresponding to the posts. The posts extend through the holes of the printed circuit board and establish a grounding path between the upper and lower metal panels.
REFERENCES:
patent: 5107404 (1992-04-01), Tam
patent: 5426286 (1995-06-01), Nair et al.
patent: 5506373 (1996-04-01), Hoffman
patent: 5563772 (1996-10-01), Nichols
patent: 5838542 (1998-11-01), Nelson et al.
patent: 5894408 (1999-04-01), Stark et al.
patent: 5923026 (1999-07-01), Onoda
Chung Wei-Te
Hon Hai - Precision Ind. Co., Ltd.
Oliva Carmelo
Reichard Dean A.
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