Patent ID: 7203788
Filing Date: 2007-04-10
Classification: G06F,G09G

Abstract:
1. A USB-to-VGA converter interconnecting through a USB port of a computer a display device controlled the computer comprising: a USB controller disposed external to the computer and adapted to detachably connect to a USB port of the computer for receiving exclusively therethrough USB based display signals from the computer, the USB controller issuing a bus control command; a VGA controller disposed external to the computer and adapted to connect to the display device for conveying VGA signals to the display device; and a bridge disposed external to the computer and connecting the USB controller and the VGA controller one to the other for the passage of data therebetween, the bridge receiving the bus control command and issuing a first-in-first-out control signal to the USB controller to receive the USB based display signals from the USB controller in a first-in-first-out manner, the bridge circuit converting the USB based display signals into corresponding VGA signals and forwarding the VGA signals to the VGA controller which in turn applies the VGA signals to the display device.