| 摘要 |
A switch for computer peripheral devices, which is connected between the printer port of a personal computer and, for example, a printer and a scanner. The personal computer transmits instruction signals to the switch through the printer port according to the requirement of usage. The switch enables the printer port to connect and communicate with the printer, scanner or other peripheral device. When the printer and the scanner are in operation, the computer forms an information linkage and transmission structure according to the control of the instruction signal. |
