Patent ID: 6941125

Claim:
A telephone having a key pad comprising at least ten number keys arranged to dial the digits from 0 to 9 inclusive, each of said number keys being marked with a visual indicator denoting the digit which the number key is arranged to dial, the number key arranged to dial the digit 1 comprising a first tactile indicator directly affixed thereto, and the number key arranged to dial the digit 9 comprising a second tactile indicator directly affixed thereto distinguishable by touch from the first tactile indicator, said first and second tactile indicators not substantially obscuring said visual indicators on said keys bearing said tactile indicators, said tactile indicators not being the Braille equivalent of the digits which said number keys bearing said tactile indicators are arranged to dial and wherein said telephone, in said addition to said ten number keys, has an ON key which must be pressed before said number keys can dial their associated digits, said ON key comprising a third tactile indicator directly affixed thereto, distinguishable by touch from both said first and second tactile indicators, and a SEND key which must be pressed after pressing said number keys in order to transmit the digits dialed by said number keys, said SEND key comprising a fourth tactile indicator directly affixed thereto and distinguishable by touch from all of said first, second and third tactile indicators.