Merchant Gould Smith Edell Welter & Schmidt
Multifunctional data switch
 A multifunctional data switch including a switch, a first computer connector connected to a first computer, a second computer connector connected to a second computer, and a printer connector connected to a printer, wherein the switch can be controlled to connect the first computer connector or the second computer connector to the printer connector for permitting the first computer or the second computer to use the printer, or to connect the first computer connector to the second computer connector for data transmission between the first computer and the second computer. 
G
G06F
inventional
Chia-Chi
Chang