×

Method and apparatus to read different types of data carriers, such RFID tags and machine-readable symbols, and a user interface for the same

DC
  • US 6,318,636 B1
  • Filed: 09/21/1999
  • Issued: 11/20/2001
  • Est. Priority Date: 09/21/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of operating a data carrier reader, comprising:

  • selecting one of at least two human-recognizable temporal indication patterns based on a current operation of the data carrier reader, where the human-recognizable temporal indication patterns each correspond to a respective temporal user indication; and

    projecting light substantially outward of the data carrier reader to form the selected human-recognizable temporal indication pattern.

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