×

Distance learning system

  • US 20020059650A1
  • Filed: 08/03/2001
  • Published: 05/16/2002
  • Est. Priority Date: 08/03/2000
  • Status: Active Grant
First Claim
Patent Images

1. An electronic response device for interactively responding to programming without connecting to a computer network comprising:

  • a user input mechanism;

    a central processing unit (CPU) capable of electronic communications with said CPU;

    a power source; and

    a transmitter connected to the CPU.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×