×

Alphanumeric keypad and display system and method

  • US 20030090467A1
  • Filed: 11/09/2001
  • Published: 05/15/2003
  • Est. Priority Date: 11/09/2001
  • Status: Active Grant
First Claim
Patent Images

1. A data entry apparatus, comprising:

  • (a) a keypad including a plurality of first keys and a plurality of second keys;

    (b) said first keys each having at least one primary alphanumeric character associated therewith, (c) at least one of said first keys having at least one secondary alphanumeric character associated therewith; and

    (c) said first key with said secondary alphanumeric character being operable upon actuation to selectively display said secondary alphanumeric character in association with one of said second keys.

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