Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2005-09-21
2010-06-01
Mengistu, Amare (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
C345S174000, C345S176000, C178S018010, C178S018030
Reexamination Certificate
active
07728823
ABSTRACT:
An input device and system are described that acquires (measures) raw track pad sensor data and transmits this data to a host computer where it is analyzed by an application executing on one or more host computer central processing units. The resulting input processing architecture provides a track pad input device that is both lower in cost to manufacture and more flexible than prior art track pad input devices. Lower costs may be realized by eliminating the prior art's dedicated track pad hardware for processing sensor data (e.g., a processor and associated firmware memory). Increased flexibility may be realized by providing feature set functionality via software that executes on the host computer. In this architecture, track pad functionality may be modified, updated, and enhanced through software upgrade procedures.
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Bronstein Chad
Cinereski Stephanie
Hotelling Steven
Lyon Benjamin
Apple Inc.
Bolotin Dmitriy
Mengistu Amare
Morrison & Foerster / LLP
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