Patent ID: 7190412

Claim:
A device for switching between a plurality of video inputs and a plurality of video outputs, the device comprising: an interface device coupled to a data bus; and a switch coupled to the interface device and a plurality of video inputs and outputs, the switch including a control logic component operatively coupled to a video crosspoint switch that is, in turn, coupled to the plurality of video inputs and the plurality of video outputs; and wherein when a video switching signal is received by the interface device over the data bus, the interface device transmits the video switching signal to the control logic component, the control logic component being configured to interpret the video switching signal, to generate a video switch instruction based on the received video switching signal, and to send the generated video switch instruction to the video crosspoint switch, the video crosspoint switch being configured to connect one or more of the video inputs to one or more of the video outputs according to the video switch instruction, and wherein the control logic component includes a local bus control logic component configured to receive and interpret control signals from the interface device; a command word buffer coupled to the local bus control logic component and configured to receive and buffer command words from the interface device, and local commands from the local bus control logic component; and a switch control state machine coupled to the command word buffer and configured to receive command words from the command word buffer and to condition the command words into an output signal suitable for input to the video crosspoint switch.