Communication device, host apparatus, and communication method

Details Communication device, host apparatus, and communication method Communication device, host apparatus, and communication method

2006-10-20

2008-09-30

Hafiz, Tariq R. (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral monitoring

C710S017000, C710S018000, C710S019000, C714S005110, C714S025000, C714S039000

Reexamination Certificate

active

07430619

ABSTRACT:
A method and apparatus for communicating data between a device and a host apparatus through a USB interface detects and corrects USB transaction phase deviation due to erroneous recognition of handshake packets. A method comprises the steps of transmitting a first packet from the device to the host apparatus, the first packet being erroneously recognized by the host apparatus as a first type of packet, receiving a second packet from the host apparatus at the device in response to the first packet, and transmitting a third packet from the device to the host apparatus, the third packet being the first type of packet, in response to receiving the second packet from the host apparatus.

REFERENCES:
patent: 6718282 (2004-04-01), Xu et al.
patent: 2004/0086003 (2004-05-01), Natarajan et al.

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