Method and apparatus for providing USB pass through...

Details Method and apparatus for providing USB pass through... Method and apparatus for providing USB pass through...

2011-05-17

2011-05-17

Chen, Alan (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral adapting

C710S008000, C710S015000, C710S305000

Reexamination Certificate

active

07945717

ABSTRACT:
Methods, systems, and devices for facilitating pass-through USB connectivity are provided. A computing device engages with an accessory device such that the computing device connects to a corresponding USB engine in the accessory device. A signal corresponding to an engagement of an external device to the accessory device is detected and a determination of whether to disconnect the computing device from the corresponding USB engine is made as a function of a set of logic operations upon detecting the signal. A USB connection between the computing device and the external device is established as a function of the set of logic operations such that the USB connection is only established if the computing device has been disconnected from the accessory device.

REFERENCES:
patent: 6000000 (1999-12-01), Hawkins et al.
patent: 6609928 (2003-08-01), Le
patent: 2004/0088452 (2004-05-01), Scott
patent: 2005/0021880 (2005-01-01), Robbin et al.
patent: 2008/0276103 (2008-11-01), Cheng

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