Padstacks capable of receiving domes of dome keypads in a...

Details Padstacks capable of receiving domes of dome keypads in a... Padstacks capable of receiving domes of dome keypads in a...

2011-03-22

2011-03-22

Friedhofer, Michael A (Department: 2833)

Electricity: circuit makers and breakers

Solid contact

Membrane type

C200S0050EA

Reexamination Certificate

active

07910851

ABSTRACT:
Disclosed is a printed circuit board configured for a dome-utilizing keypad configuration including at least one padstack having a plurality of dome switch targets and a plurality of target rings capable of accommodating different key dome locations of a dome keypad. Also disclosed is a padstack capable of accommodating different key dome locations. The disclosed padstack has a single dome switch targets input/output line for the plurality of dome switch targets of the padstack. The padstack also includes a single target rings input/output line for the plurality of target rings of the pad stack. In this way the disclosed printed circuit board includes a single circuit arrangement available for a plurality of different key pad designs.

REFERENCES:
patent: 5128500 (1992-07-01), Hirschfeld
patent: 5579002 (1996-11-01), Iggulden et al.
patent: 5734137 (1998-03-01), Wakefield
patent: 6140593 (2000-10-01), Bramesfeld et al.
patent: 6259044 (2001-07-01), Paratore et al.
patent: 6844508 (2005-01-01), Lim
patent: 7102086 (2006-09-01), Bick et al.
patent: 2006/0018463 (2006-01-01), Rak et al.
patent: 2006/0118400 (2006-06-01), Chyc et al.

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