Patent US5481430A successfully refreshed from Google Patents.
US5481430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable computer having keyboard and coordinate input tablet hingedly connected to a main body case through a groove
Assignee: Toshiba Corp
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Filing: 1994-12-22
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Granted: 1996-01-02
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Expires: 2014-12-22
Abstract
Abstract A main body case for storing a keyboard and an upper case for storing an integrated display/input device are coupled by first and second hinge units, disposed through a groove in the main body case, to be arbitrarily pivotal from a state wherein the keyboard faces the integrated display/input device to a state wherein the back surfaces of the keyboard and the integrated display/input device face each other.
Inventors
- 👤 Shigenori Miyagawa
- 👤 Koichi Kobayashi
- 👤 Shimpei Kunii
- 👤 Shizuo Kamio
- 👤 Hiroyuki Sakamoto
- 👤 Fumitaka Sato
- 👤 Ryoichi Ishiura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:38
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/1613; G06F1/1615; G06F1/1616; G06F1/162; G06F1/1618; G06F1/1633; G06F1/1675; G06F1/1677; G06F1/1679; G06F1/1681; G06F1/1683; G06F3/00; G06F3/01; G06F3/048; G06F3/0487; G06F3/0488; E; E05; E05D; E05D11/00; E05D11/08; E05D11/087; E05D15/00; E05D15/56; E05D15/58; E05D15/582; E05Y; E05Y2999/00; G06F2200/00; G06F2200/16; G06F2200/161; G06F2200/1614
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
143 words
A portable computer comprising: a keyboard for inputting data; a main body case encasing said keyboard; an integrated display/input device, said integrated display/input device having a display device for displaying data and a tablet for inputting coordinate data with said tablet overlaying a display surface of said display device; a cover encasing said integrated display/input device; a hinge for pivotally coupling said main body case and said cover from a state wherein said main body case and said cover overlap each other so that said keyboard and said integrated display/input device face each other to a state wherein said main body case and said cover overlap each other so that back surfaces thereof face each other; and a hinge groove arranged along an outer periphery of said main body case, whereby said hinge moves in position while being guided by said hinge groove.
Claim 2
Dependent Claim
143 words
A portable computer comprising: a keyboard for inputting data; a main body case encasing said keyboard; an integrated display/input device, said integrated display/input device having a display device for displaying data and a tablet for inputting coordinate data with said tablet overlaying a display surface of said display device; a cover encasing said integrated display/input device; a hinge for pivotally coupling said main body case and said cover from a state wherein said main body case and said cover overlap each other so that said keyboard and said integrated display/input device face each other to a state wherein said main body case and said cover overlap each other so that back surfaces thereof face each other; and a hinge groove arranged along an outer periphery of said main body case, whereby said hinge moves in position while being guided by said hinge groove.
Claim 3
Dependent Claim
26 words
A computer according to claim 1, wherein said hinge further comprises means for fixedly setting said cover at an arbitrary angle to said main body case.
Claim 4
Dependent Claim
22 words
A computer according to claim 1, wherein said hinge groove is arranged at a rear end portion of said main body case.
Claim 5
Dependent Claim
35 words
A computer according to claim 1, wherein said hinge groove is arranged at a position offset from a rear end portion of said main body case toward a central portion of said main body case.
Claim 6
Dependent Claim
149 words
A portable computer comprising: a keyboard for inputting data; a main body case encasing said keyboard; an integrated display/input device having a display device for displaying data and a tablet overlaying a display surface of said display device for inputting coordinate data; a cover encasing said integrated display/input device; a hinge for pivotally coupling said main body case and said cover from a state where said main body case and said cover overlap each other so that said keyboard and said integrated display/input device face each other to a state wherein said main body case and said cover overlap each other so that back surfaces thereof face each other; means, associated with said hinge for fixedly setting said cover at an arbitrary angle to said main body case; and a hinge groove disposed along an outer periphery of said main body case to guide the position of said hinge.
Claim 7
Dependent Claim
149 words
A portable computer comprising: a keyboard for inputting data; a main body case encasing said keyboard; an integrated display/input device having a display device for displaying data and a tablet overlaying a display surface of said display device for inputting coordinate data; a cover encasing said integrated display/input device; a hinge for pivotally coupling said main body case and said cover from a state where said main body case and said cover overlap each other so that said keyboard and said integrated display/input device face each other to a state wherein said main body case and said cover overlap each other so that back surfaces thereof face each other; means, associated with said hinge for fixedly setting said cover at an arbitrary angle to said main body case; and a hinge groove disposed along an outer periphery of said main body case to guide the position of said hinge.
Claim 8
Dependent Claim
23 words
A portable computer according to claim 5, wherein said hinge groove is arranged at a rear end portion of said main body case.
Claim 9
Dependent Claim
32 words
A portable computer according to claim 5, wherein said hinge groove is offset from a rear end portion of said main body case toward a central portion of said main body case.
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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) | 1999-01-01 | 1999-07-03 | 2000-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-01-01 | 2003-07-03 | 2004-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-01-01 | 2007-07-03 | 2008-01-02 | $7700.00 | Window Closed / Lapsed |