Intelligent power circuit for external data drive
US5796965A · kind A · utility
45Cited by
3References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1996 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | Jun 14, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/266
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A notebook computer (10) includes provides power to a parallel port floppy drive (24) through the parallel port connector (48). The computer (10) includes a power switching circuit (30) which detects whether a printer or floppy drive is connected to the parallel port connector (48). If a floppy drive (24) is connected, the power is enabled through the parallel port connector (48). If a printer is connected, power is disabled through the parallel port connector (48).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.