Human-machine interface apparatus with expanded function

Details Human-machine interface apparatus with expanded function Human-machine interface apparatus with expanded function

2005-07-12

2008-09-09

Wong, Albert K (Department: 2612)

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

C345S168000, C361S142000, C361S166000, C361S600000, C361S627000, C361S689000, C341S020000

Reexamination Certificate

active

07423555

ABSTRACT:
A human machine interface with expanded function includes a panel and a printed circuit board. A first key apparatus electrically coupled to the printed circuit board is mounted on the panel. The printed circuit board provides an expansion interface for optionally connecting a second key unit, so that a user can design and install the second key unit according to distinct requirements.

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patent: 5144302 (1992-09-01), Carter et al.
patent: 5868546 (1999-02-01), Hahne et al.
patent: 6104604 (2000-08-01), Anderson et al.
patent: 6128117 (2000-10-01), Kim
patent: 7209123 (2007-04-01), Andres et al.

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