×

Apparatus and method for operating a peripheral device as either a master device or a slave device

  • US 5,784,581 A
  • Filed: 05/03/1996
  • Issued: 07/21/1998
  • Est. Priority Date: 05/03/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. An apparatus comprising:

  • a first communication port utilized when said apparatus is operating as a slave device;

    a second communication port utilized when said apparatus is operating as a master device; and

    a device controller coupled to said first communication port and said second communication port, said device controller enabling said first communication port or said second communication port in response to detection of the presence or absence of an active host controller coupled to said first communication port.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×