×

Status-controlled interrogation of peripheral device status

  • US 5,943,503 A
  • Filed: 01/09/1997
  • Issued: 08/24/1999
  • Est. Priority Date: 01/09/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. An information processing apparatus for controlling a perpipheral device via a bi-directional interface connected to the peripherel device, comprising:

  • acquirement means for acquiring status information from the peripheral device over the bi-directional interface, the status information indicating status of the peripheral device; and

    control means for controlling a time interval to transmit a command which the information processing apparatus uses to request status of the peripheral device, corresponding to the status information acquired by said acquirement means.

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