Computer switching device and signal switching method
A computer switcher and electronic signal technology, applied in computing, instruments, electrical digital data processing, etc., can solve problems such as difficult serial connection, limited number of operating devices and computers, inability to provide high-quality transmission of analog signals, etc. To achieve the effect of avoiding the cumbersome process
Active Publication Date: 2007-03-07
ATEN INT CO
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Problems solved by technology
[0005] However, a single computer switcher is limited by hardware design and cost, and the number of groups of operating devices and computers that can be connected is limited.
On the other hand, the known computer switchers are not easy to be connected in series, and when multiple sets of operating devices use multiple computers at the same time, the analog signals between the two, such as video signals, are not easy to achieve cross-system Platform Connection and Switching
[0006] The above two shortcomings bring a lot of inconvenience to users, but the known technology cannot provide high-quality transmission of analog signals between multiple sets of operating devices and multiple computers, nor can it realize the parallel connection and switching of analog signals
For the internal network of large enterprises or small and medium-sized enterprises, if the computer switcher cannot use a large number of operating devices and computers at the same time, it will not only increase the cost of building and maintaining the system, but also reduce the communication efficiency of the entire network
Method used
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[0023] Fig. 1 is a schematic diagram of a preferred embodiment of the present invention. Multiple signal output devices 132, such as computers, are connected in series through multiple computer switches 100a, 100b, and 100c to share multiple signal input devices 134, such as monitors. In order to clearly show and illustrate the preferred embodiment, only one computer switch 100a, one signal output device 132 and one signal input device 134 are represented in FIG. 1 .
[0024] The computer switch 100 a includes at least one in-line switch array 110 and one local switch array 120 . The cascode switch array 110 has a plurality of cascode switch input ports 112 , a plurality of first cascode switch output ports 114 and a plurality of second cascode switch output ports 116 . The serial switching input port 112 is connected to the second serial switching output port of another computer switch 100b, the first serial switching output port 114 is connected to the signal input device 1...
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This invention provides a computer switch and its signal switching method provided to multiple signal output devices to share multi-signal input devices by multiple computer switches. When the destinations of local and remote electronic signals are the same local signal input device, only one of them is allowed to transmit to it. If the destinations of the signals are at least a remote signal input device, only one is allowed to transmit to the remote signal input device. This invention can provide analog signals, especially video signals transmitted to many signal input devices. This invention avoids the complicated transitional communication way of distributing identification codes.
Description
technical field [0001] The invention relates to a computer switcher, in particular to a computer switcher which can be connected in series and can transmit analog signals with high quality and a signal switching method thereof. Background technique [0002] Due to the rapid development of information technology, the application of computers and their peripheral products is quite popular. Computer users usually use input devices such as mouse and keyboard to operate the computer, and the computer displays the status of the computer on the monitor or uses voice instructions through output devices such as monitors and speakers, so that computer users can grasp the real-time information of the computer at any time. state. Sometimes in order to meet different needs, users may use more than one computer to handle various things. Usually, each computer should be equipped with a set of operating devices, such as keyboard, mouse, monitor and speakers, but this configuration is a wa...
Claims
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IPC IPC(8): G06F3/14G06F3/00
Inventor 陈尚仲
Owner ATEN INT CO