FOUR ROW OVERLOADED QWERTY-LIKE KEYPAD LAYOUT
First Claim
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1. A keypad layout for text input comprising:
- a matrix of a plurality of keys, the matrix comprising four rows, including a bottom row, a second row, a third row, and an upper row, and six columns, including a leftmost column, a second column, a third column, a fourth column, a fifth column, and a rightmost column,wherein said plurality of keys comprises function keys, letter keys, and a space-key for actuating a space in text,wherein the function keys comprise;
a backspace key for deleting text;
a language switch key for switching between a first language and a second language;
a numeric switch key for switching between a letter input level and a numeric and/or punctuation input level;
an enter key; and
a shift key for enabling of input of capital letters,wherein one or both of the keys located in the third row, third and fourth columns, functions as the space-key,and wherein each of the letter keys enable actuation of at least one of the twenty-six English alphabet letters.
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Abstract
Provided is an overloaded keypad layout which is efficient, ergonomic, unambiguous, intuitive to operate, and also familiar to the average user in its letter arrangement. More particularly, the overloaded keypad layout comprises four rows, and a space-key is positioned in the third row from bottom, and is QWERTY-like its letter arrangement. Further, the multitap input method or selector (select-the-next-letter key) input method may be employed to disambiguate the overloaded keypad layout.
10 Citations
14 Claims
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1. A keypad layout for text input comprising:
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a matrix of a plurality of keys, the matrix comprising four rows, including a bottom row, a second row, a third row, and an upper row, and six columns, including a leftmost column, a second column, a third column, a fourth column, a fifth column, and a rightmost column, wherein said plurality of keys comprises function keys, letter keys, and a space-key for actuating a space in text, wherein the function keys comprise; a backspace key for deleting text; a language switch key for switching between a first language and a second language; a numeric switch key for switching between a letter input level and a numeric and/or punctuation input level; an enter key; and a shift key for enabling of input of capital letters, wherein one or both of the keys located in the third row, third and fourth columns, functions as the space-key, and wherein each of the letter keys enable actuation of at least one of the twenty-six English alphabet letters. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification
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Current AssigneeHyun Woo Shin, Joon Shin
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Original AssigneeHyun Woo Shin, Joon Shin
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InventorsShin, Joon, Shin, Hyun Woo
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current
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CPC Class CodesG06F 3/0219 Special purpose keyboardsG06F 3/0233 Character input methodsG06F 3/04886 by partitioning the display...
