Keypad array having reduced number of input/outputs and...

Details Keypad array having reduced number of input/outputs and... Keypad array having reduced number of input/outputs and...

2007-01-23

2007-01-23

Hofsass, Jeffery (Department: 2612)

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

C341S021000, C341S023000, C341S024000, C341S025000, C341S026000, C341S034000, C340S870030

Reexamination Certificate

active

10667269

ABSTRACT:
The invention concerns a method (200) of generating an array (100, 300, 400) having a reduced number of input/outputs (114, 314, 414). The method includes the steps of, for each array row input/output, grouping (212) at least one set of rows (124, 324, 424) in which the set of rows is coupled to the array row input/output and, for each combination of the array row input/outputs, selectively coupling (216) non-set rows (326, 426) to the array row input/outputs that comprise the combination. At least a portion of a number of rows (110, 310, 410) for the array is equal to the number of rows in each set of rows multiplied by the number of array row input/outputs plus the number of non-set rows coupled to the array row input/output combinations.

REFERENCES:
patent: 4357496 (1982-11-01), Nahas
patent: 5783874 (1998-07-01), Gaglione et al.
patent: 5929790 (1999-07-01), Lim
patent: 6326906 (2001-12-01), Thus
patent: 6424274 (2002-07-01), Schnizlein et al.
patent: 6563434 (2003-05-01), Olodort et al.
http://www.geocities.com/andrewmuch/LCD.htm, Sep. 19, 2003.

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