A kind of PURPOSE: video optical mouse KVM (keyboard) receiver, the communication equipment of KVM, kvm system and its communication means provide the KVM receivers and transmitter for not increasing the KVM between telecommunication circuit line to be remotely controlled computer by the quantity of wired and wireless network. ;CONSTITUTION: a kind of KVM receivers (210) send KVM received from outputting and inputting device (240) and use internet appliance (250) from internet received signal. A kind of KVM transmitters (220) control KVM computers receive mainboard from KVM and are connected to computer according to institute is received. A kind of KVM communication equipments (230) are connected to internet, send KMV KVM signals from receiver to sender with KVM received signals by internet and internet KVM signals from KVM computer to receiver. ;The 2013 of copyright KIPO submissions;[Reference numerals] (210) KVM receivers; (220) KVM senders; (230) KVM communication equipments; (240) device output and input; (250) internet utilizes device; (260) computer; (270) Wired and wireless network; (AA) internet;
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