Patent ID: 6947545
Filing Date: 2005-09-20
Classification: H04M

Abstract:
1. A device attachable to a conventional telephone having a keypad with push-buttons arranged in the traditional matrix of numbers and signs consisting of 1, 2, 3, 4, 5, 6, 7, 8, 9, *, 0, and #, for providing tactile guidance to the location of the keypad push-buttons to assist in accurate entry of phone numbers and signs in proper sequence without being able to see the key-pad, the device comprising: an elevated ridge extending around the periphery of at least the area of said key-pad wherein the numbers 1 through 9 are located; tactually perceivable reductions in the elevation of said ridge adjacent at least the numbers 2, 4, 6 and 8; and said reduction in elevation adjacent number 2 being of a width that is of a tactually perceivable different width than the width of the reduction in elevation adjacent number 8.