Communication device, host apparatus, and communication method

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

2006-11-28

2006-11-28

Huynh, Kim (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Data transfer specifying

C710S008000, C710S015000, C710S017000, C710S018000, C709S230000, C714S002000, C714S005110, C714S030000, C714S044000

Reexamination Certificate

active

07143208

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: 6044216 (2000-03-01), Bhargava et al.
patent: 6173355 (2001-01-01), Falik et al.
patent: 6311294 (2001-10-01), Larky et al.
patent: 6721332 (2004-04-01), McAlear
Universal Serial Buss Mass Storage Class, Bulk-Only Transport (Sep. 31, 1999), electronic copy at: http://www.usb.org/developers/devclass—docs/usbmassbulk—10.pdf.

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