Dynamic printer-port switcher for selectively connecting at leas

Details Dynamic printer-port switcher for selectively connecting at leas Dynamic printer-port switcher for selectively connecting at leas

1997-09-04

1999-07-27

Lee, Thomas C.

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral adapting

710 9, 710 16, 710101, G06F 1314

Patent

active

059283416

ABSTRACT:
A dynamic printer-port switcher (DPS) is provided for use on a computer system such as a personal computer (PC) for selectively connecting the PC to a number of peripheral devices, such as printers, PC cameras, scanners, external CD-ROM drives, and external hard disk drives, through software control. Broadly, the DPS includes a printer-port connector for connecting the DPS to a printer port on the PC, at least two peripheral de connectors for connecting the DPS to two peripheral devices such as a printer and a PC camera. Further, the DPS includes a first and second switching circuits which are under control by a control circuit to selectively connect the PC to one of the connected peripheral devices.

REFERENCES:
patent: 5457784 (1995-10-01), Well et al.
patent: 5513302 (1996-04-01), Tsai
patent: 5555436 (1996-09-01), Gavish
patent: 5717957 (1998-02-01), Lin
patent: 5732199 (1998-03-01), Kau et al.

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