Input apparatus for hand-held electronic devices and computers

Details Input apparatus for hand-held electronic devices and computers Input apparatus for hand-held electronic devices and computers

2006-12-19

2006-12-19

Osorio, Ricardo (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

C345S156000

Reexamination Certificate

active

07151529

ABSTRACT:
An input apparatus for a hand-held electronic device and a computer. The universal input apparatus includes a main connection port, a communication port, an input controller, a communication controller and a route selection unit. The main connection port connects to the hand-held electronic device and the communication port connects to the computer. The input controller provides a plurality of serial input signals. The communication controller, having a serial port coupled to the communication port, is configured to convert the serial input signals into a pair of differential signals transferred through the serial port. Further, the route selection unit establishes a first route between the input controller and the main connection port and establishes a second route between the input controller and the communication controller. Therefore, the serial input signals can be transferred over the first route or the second route alternatively.

REFERENCES:
patent: 6154745 (2000-11-01), Kari et al.
patent: 6754895 (2004-06-01), Bartel et al.
patent: 6795304 (2004-09-01), Lam
patent: 2002/0194468 (2002-12-01), Betts-LaCroix et al.

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