Electronic device with plural interface ports
A CD-R drive has two USB ports. One USB port is connected as an ordinary interface port to a host computer by a USB cable, and the other USB port is connected as an assist power supply port to the host computer by another USB cable. With this arrangement, the CD-R drive can operate with maximum curr...
Gespeichert in:
| Hauptverfasser: | , , |
|---|---|
| Format: | Patent |
| Sprache: | eng |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | A CD-R drive has two USB ports. One USB port is connected as an ordinary interface port to a host computer by a USB cable, and the other USB port is connected as an assist power supply port to the host computer by another USB cable. With this arrangement, the CD-R drive can operate with maximum current consumption of 1.0 A without using a separate AC power supply adapter because each USB port allows passage of 500 mA of current at maximum. |
|---|