Compressed report descriptors for USB devices

Details Compressed report descriptors for USB devices Compressed report descriptors for USB devices

2008-04-08

2008-04-08

Myers, Paul R. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S010000

Reexamination Certificate

active

07356635

ABSTRACT:
A method and apparatus for creating USB peripheral device report descriptors: A short, compressed, report descriptor is stored in a peripheral device. This short report descriptor is transmitted to a USB wireless bridge and combined with templates stored in the bridge to create a USP report descriptor. Power is saved because less time is required to transmit the short report descriptor than would be required to transmit a full USB report descriptor. Hardware is also saved in the peripheral device since less memory is required to store the short report descriptors as compared to storing a full USB report descriptor.

REFERENCES:
patent: 6311228 (2001-10-01), Ray
patent: 6571305 (2003-05-01), Engler
patent: 7165171 (2007-01-01), Zhang et al.
patent: 2004/0044807 (2004-03-01), Wang et al.
USB Implementers' Forum; “Universal Serial Bus (USB) Device Class for Human Interface Devices (HID)”; USB Implementers' Forum; Version 1.11; Jun. 28, 2001; all pages.
Compaq, Hewlett-Packard, Intel, Lucent, Microsoft, NEC, Phillips, Universal Serial Bus Specification, Apr. 27, 2000, pp. i-622 (totaling 650 pages), Revision 2.

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