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US08274478B2 Telephone keypad with multidirectional keys 失效
带多向键的电话键盘

Telephone keypad with multidirectional keys
摘要:
A telephone keypad for one touch text messaging the QWERTY pattern of keys in a matrix of nine keys. Using the multi position biasing keys only one touch is needed for each character, so in use to input the letter “C” you touch one key one time, decreasing the time spend text messaging from cell phones or desk tops and dialing phone numbers advertised in letters. The keypad also has a shift key to get upper case included in the nine keys, and a 2nd key to double functionality of the keys.
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