KVM switch and operation method thereof
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United States of America Patent
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Issued Date -
Aug 20, 2009
app pub date -
Jun 9, 2008
filing date -
Feb 15, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A KVM switch and an operation method thereof can share at least one USB device to a plurality of computers, and the computers can directly communicate with the USB device through a switch module. The KVM switch further comprises a microprocessor and a USB controller. When switching in the KVM switch, by using the set information command in USB specification, the microprocessor can control the USB controller to interfere in setting the USB device to become receiving a signal sent by the computer which recognition data is representative. Then, the computers need not execute the enumeration process to recognize the USB device in every switching time. Hence, the KVM switch can improve the compatibility problem and increase switching efficiency.
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