US5954437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer keyboard system enabling users to locate keys of letters, radicals and phonetic symbols quickly
Assignee: Individual
•
Filing: 1998-02-09
•
Granted: 1999-09-21
•
Expires: 2018-02-09
Abstract
Abstract A computer keyboard consists of keys which are arranged in groups according to five different patterns for enhancing the key-in efficiency. The first and the second patterns are respectively composed of four sets of specific keys which are arranged in group and covered with four different colors. The third and fourth patterns consist respectively of five sets of specific keys which are grouped and covered with five different colors. The fifth pattern consists of seven sets of specific keys which are grouped and covered with seven different colors.
Inventors
- 👤 Hsia Wen-Hung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:24
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/018; G06F3/02; G06F3/0202; G06F3/0219
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
134 words
A computer keyboard comprising: keys forming a pattern consisting of a first set of seven letter keys A, B, C, D, E, F, and G that share a first color, a second set of seven similarly-colored letter keys of H, I, J, K, L, M, and N that share a second color, a third set of four similarly-colored letter keys O, P, Q, and R that share a third color, and a fourth set of eight similarly-colored letter keys S, T, U, V, W, X, Y, and Z that share a fourth color, wherein said letter keys of said first, second, third, and fourth sets have a letter, a phonetic symbol and one or more radical symbols inscribed thereon, and wherein said first, second, third, and fourth colors are all different from each other.
Claim 2
Dependent Claim
134 words
A computer keyboard comprising: keys forming a pattern consisting of a first set of seven letter keys A, B, C, D, E, F, and G that share a first color, a second set of seven similarly-colored letter keys of H, I, J, K, L, M, and N that share a second color, a third set of four similarly-colored letter keys O, P, Q, and R that share a third color, and a fourth set of eight similarly-colored letter keys S, T, U, V, W, X, Y, and Z that share a fourth color, wherein said letter keys of said first, second, third, and fourth sets have a letter, a phonetic symbol and one or more radical symbols inscribed thereon, and wherein said first, second, third, and fourth colors are all different from each other.
Claim 3
Dependent Claim
66 words
The computer keyboard of claim 1, further comprising a left-hand area and a right-hand area, said left-hand area and said right-hand area being divided by a demarcation line formed of one set of letter keys of T, G, and B on a first side of the demarcation line, and another set of letter keys Y, H, and N on a second side of the demarcation line.
Claim 4
Dependent Claim
134 words
A computer keyboard comprising: keys forming a pattern consisting of a first set of seven similarly-colored letter keys A, B, C, D, E, F, and G that share a first color, a second set of nine similarly-colored letter keys H, I, J, K, L, M, N, O, and P that share a second color, a third set of four similarly-colored letter keys Q, R, S, and T that share a third color, and a fourth set of six similarly-colored letter keys U, V, W, X, Y, and Z that share a fourth color, wherein said letter keys of said first, second, third, and fourth sets have a letter, a phonetic symbol and one or more radical symbols inscribed thereon, and wherein said first, second, third, and fourth colors are all different from each other.
Claim 5
Dependent Claim
134 words
A computer keyboard comprising: keys forming a pattern consisting of a first set of seven similarly-colored letter keys A, B, C, D, E, F, and G that share a first color, a second set of nine similarly-colored letter keys H, I, J, K, L, M, N, O, and P that share a second color, a third set of four similarly-colored letter keys Q, R, S, and T that share a third color, and a fourth set of six similarly-colored letter keys U, V, W, X, Y, and Z that share a fourth color, wherein said letter keys of said first, second, third, and fourth sets have a letter, a phonetic symbol and one or more radical symbols inscribed thereon, and wherein said first, second, third, and fourth colors are all different from each other.
Claim 6
Dependent Claim
66 words
The computer keyboard of claim 3, further comprising a left-hand area and a right-hand area, said left-hand area and said right-hand area being divided by a demarcation line formed of one set of letter keys of T, G, and B on a first side of the demarcation line, and another set of letter keys Y, H, and N on a second side of the demarcation line.
Claim 7
Dependent Claim
151 words
A computer keyboard comprising: keys forming a pattern consisting of a first set of seven similarly-colored letter keys A, B, C, D, E, F, and G that share a first color, a second set of seven similarly-colored letter keys H, I, J, K, L, M, and N that share a second color, a third set of four similarly-colored letter keys O, P, Q, and R that share a third color, and a fourth set of six similarly-colored letter keys S, T, U, V, W, and Y that share a fourth color, and a fifth set of two similarly-colored letter keys Z and X that share a fifth color, wherein said letter keys of said first, second, third, fourth, and fifth sets have a letter, a phonetic symbol and one or more radical symbols inscribed thereon, and wherein said first, second, third, fourth, and fifth colors are all different from each other.
Claim 8
Dependent Claim
151 words
A computer keyboard comprising: keys forming a pattern consisting of a first set of seven similarly-colored letter keys A, B, C, D, E, F, and G that share a first color, a second set of seven similarly-colored letter keys H, I, J, K, L, M, and N that share a second color, a third set of four similarly-colored letter keys O, P, Q, and R that share a third color, and a fourth set of six similarly-colored letter keys S, T, U, V, W, and Y that share a fourth color, and a fifth set of two similarly-colored letter keys Z and X that share a fifth color, wherein said letter keys of said first, second, third, fourth, and fifth sets have a letter, a phonetic symbol and one or more radical symbols inscribed thereon, and wherein said first, second, third, fourth, and fifth colors are all different from each other.
Claim 9
Dependent Claim
66 words
The computer keyboard of claim 5 further comprising a left-hand area and a right-hand area, said left-hand area and said right-hand area being divided by a demarcation line formed of one set of letter keys of T, G, and B on a first side of the demarcation line, and another set of letter keys Y, H, and N on a second side of the demarcation line.
Claim 10
Dependent Claim
151 words
A computer keyboard comprising: keys forming a pattern consisting of a first set of seven similarly-colored letter keys A, B, C, D, E, F, and G that share a first color, a second set of nine similarly-colored letter keys H, I, J, K, L, M, N, O, and P that share a second color, a third set of four similarly-colored letter keys Q, R, S, and T that share a third color, and a fourth set of two similarly-colored letter keys U and Y that share a fourth color, and a fifth set of four similarly-colored letter keys V, W, Z, and X that share a fifth color, wherein said letter keys of said first, second, third, fourth, and fifth sets have a letter, a phonetic symbol and one or more radical symbols inscribed thereon, and wherein said first, second, third, fourth, and fifth colors are all different from each other.
Claim 11
Dependent Claim
151 words
A computer keyboard comprising: keys forming a pattern consisting of a first set of seven similarly-colored letter keys A, B, C, D, E, F, and G that share a first color, a second set of nine similarly-colored letter keys H, I, J, K, L, M, N, O, and P that share a second color, a third set of four similarly-colored letter keys Q, R, S, and T that share a third color, and a fourth set of two similarly-colored letter keys U and Y that share a fourth color, and a fifth set of four similarly-colored letter keys V, W, Z, and X that share a fifth color, wherein said letter keys of said first, second, third, fourth, and fifth sets have a letter, a phonetic symbol and one or more radical symbols inscribed thereon, and wherein said first, second, third, fourth, and fifth colors are all different from each other.
Claim 12
Dependent Claim
66 words
The computer keyboard of claim 7, further comprising a left-hand area and a right-hand area, said left-hand area and said right-hand area being divided by a demarcation line formed of one set of letter keys of T, G, and B on a first side of the demarcation line, and another set of letter keys Y, H, and N on a second side of the demarcation line.
Claim 13
Dependent Claim
177 words
A computer keyboard comprising: keys forming a pattern consisting of a first set of seven similarly-colored letter keys A, B, C, D, E, F, and G that share a first color, a second set of nine similarly-colored letter keys H, I, J, K, L, M, N, O, and P that share a second color, a third set of four similarly-colored letter keys Q, R, S, and T that share a third color, a fourth set of one colored letter key U having a fourth color, and a fifth set of three similarly-colored letter keys V, W, and X that share a fifth color, a sixth set of one colored letter key Y having a sixth color, and a seventh set of one colored letter key Z having a seventh color, wherein said letter keys of said first, second, third, fourth, fifth, sixth, and seventh sets have a letter, a phonetic symbol and one or more radical symbols inscribed thereon, and wherein said first, second, third, fourth, fifth, sixth, and seventh colors are all different from each other.
Claim 14
Dependent Claim
177 words
A computer keyboard comprising: keys forming a pattern consisting of a first set of seven similarly-colored letter keys A, B, C, D, E, F, and G that share a first color, a second set of nine similarly-colored letter keys H, I, J, K, L, M, N, O, and P that share a second color, a third set of four similarly-colored letter keys Q, R, S, and T that share a third color, a fourth set of one colored letter key U having a fourth color, and a fifth set of three similarly-colored letter keys V, W, and X that share a fifth color, a sixth set of one colored letter key Y having a sixth color, and a seventh set of one colored letter key Z having a seventh color, wherein said letter keys of said first, second, third, fourth, fifth, sixth, and seventh sets have a letter, a phonetic symbol and one or more radical symbols inscribed thereon, and wherein said first, second, third, fourth, fifth, sixth, and seventh colors are all different from each other.
Claim 15
Dependent Claim
66 words
The computer keyboard of claim 9, further comprising a left-hand area and a right-hand area, said left-hand area and said right-hand area being divided by a demarcation line formed of one set of letter keys of T, G, and B on a first side of the demarcation line, and another set of letter keys Y, H, and N on a second side of the demarcation line.
References Cited (Backward Citations)
US1319687A
Cited
US662834A
Cited
US3927752A
Cited
US4602878A
Cited
US5212638A
Cited
US4715736A
Cited
US5236268A
Cited
US5660488A
Cited
US5452960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-09-20 | 2003-03-22 | 2003-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-09-20 | 2007-03-22 | 2007-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-09-20 | 2011-03-22 | 2011-09-21 | $7700.00 | Window Closed / Lapsed |