US4737040A
Expired / Lapsed
US
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Keyboard device and method for entering Japanese language text utilizing Romaji character notation
Assignee: Individual
•
Filing: 1985-02-15
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Granted: 1988-04-12
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Expires: 2005-02-15
Abstract
Abstract The present invention is a keyboard device for entering Japanese language text utilizing Romaji character notation and a method for entering the Romaji character notation.
Inventors
- 👤 Tag Y. Moon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:30
CPC Classifications
B; B41; B41J; B41J5/00; B41J5/08; B41J5/10; G; G06; G06F; G06F3/00; G06F3/01; G06F3/018
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
158 words
A keyboard device for entering Japanese language text utilizing Romaji character notation comprising: (a) a first set of two keyboards capable of being activated simultaneously and comfortable to a human hand having five digits, the first keyboard of the first set in a generally horizontal position having a plurality of keys receivable to four finger digits of the human hand, the keys arranged in at least two rows, the rows containing Romaji consonants and punctuation characters and the second keyboard of the first set having a plurity of keys receivable to a thumb digit of the human hand, the keys arranged in at least one row, the row contaning Romaji vowel characters, said at least one row being substantially perpendicular to said at least two rows of the first keyboard; and (b) a second set of two keyboards, the two keyboards of the second set being a generally mirror image of the two keyboards of the first set.
Claim 2
Dependent Claim
158 words
A keyboard device for entering Japanese language text utilizing Romaji character notation comprising: (a) a first set of two keyboards capable of being activated simultaneously and comfortable to a human hand having five digits, the first keyboard of the first set in a generally horizontal position having a plurality of keys receivable to four finger digits of the human hand, the keys arranged in at least two rows, the rows containing Romaji consonants and punctuation characters and the second keyboard of the first set having a plurity of keys receivable to a thumb digit of the human hand, the keys arranged in at least one row, the row contaning Romaji vowel characters, said at least one row being substantially perpendicular to said at least two rows of the first keyboard; and (b) a second set of two keyboards, the two keyboards of the second set being a generally mirror image of the two keyboards of the first set.
Claim 3
Dependent Claim
25 words
A keyboard device as recited in claim 1, further comprising: (c) a means for converting Romaji character notation keystrokes into characters of the Japanese language.
Claim 4
Dependent Claim
83 words
A keyboard device as recited in claim 1, wherein the first keyboard of the first set of keyboards comprises two rows of five characters each, one row containing the characters H, T, S, K, and W, the second row containing the characters P, H, R, M, and Y, the second keyboard of the first set of keyboards comprises one row containing the characters A, I and E and the second set of keyboards being a mirror image of the first set of keyboards.
Claim 5
Dependent Claim
117 words
A keyboard device as recited in claim 1, wherein the first keyboard of the first set of keyboards comprises three rows of five characters each, a first row containing the characters H, T, S, K, and W, a second row containing the characters B, D, Z, G and . (period), the third row containing the characters P, N, R, M, and Y, the second keyboard of the first set of keyboards comprises two rows, the first row containing the characters A, I, and E, the second row containing the characters O and U and said second set of keyboards being a mirror image of the first set of keyboards, except the . (period) is a , (comma).
Claim 6
Dependent Claim
34 words
A keyboard device as recited in claim 1, wherein a combination of Romaji characters represent a character not present as a separate key on the keyboards of the first or second set of keyboards.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-04-12 | 1991-10-12 | 1992-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-04-12 | 1995-10-12 | 1996-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-04-12 | 1999-10-12 | 2000-04-12 | $7700.00 | Window Closed / Lapsed |