US5388061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable computer for one-handed operation
Assignee: Individual
•
Filing: 1993-09-08
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Granted: 1995-02-07
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Expires: 2013-09-08
Abstract
Abstract A portable computer with at least one reduced-key keypad for one-handed operation is disclosed. The preferred embodiment of the portable computer includes two data display screens for displaying data from two programs running simultaneously. It also includes two keypads, both of which are capable of entering the full range of alphanumeric characters and software control commands.
Inventors
- 👤 Elmer J. Hankes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:37
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/02; G06F3/0202; G06F3/0219; G06F1/00; G06F1/16; G06F1/1613; G06F1/1626; G06F1/1633; G06F1/1637; G06F1/1647; G06F1/1662; G06F1/1664; G06F1/1671
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
119 words
A portable computer having a data processor, comprising: at least one keypad having a multiplicity of manually actuable keys, said keypad including a generally flat intermediate segment having a lower edge and an upper edge, a first angled segment projecting generally upwardly from said upper edge of said intermediate segment and forming a first obtuse angle with said intermediate segment, and a second angled segment projecting generally upwardly from said lower edge of said intermediate segment, said second angled segment forming a second obtuse angle with said intermediate segment and positioned generally opposably to said first angled segment; and at least one data display screen for viewing data resulting from the keypad and computing operations of the portable computer.
Claim 2
Dependent Claim
119 words
A portable computer having a data processor, comprising: at least one keypad having a multiplicity of manually actuable keys, said keypad including a generally flat intermediate segment having a lower edge and an upper edge, a first angled segment projecting generally upwardly from said upper edge of said intermediate segment and forming a first obtuse angle with said intermediate segment, and a second angled segment projecting generally upwardly from said lower edge of said intermediate segment, said second angled segment forming a second obtuse angle with said intermediate segment and positioned generally opposably to said first angled segment; and at least one data display screen for viewing data resulting from the keypad and computing operations of the portable computer.
Claim 3
Dependent Claim
143 words
A portable computer having a data processor, comprising: a base member containing the data processor; a first keypad mounted to said base member, said first keypad having a multiplicity of manually actuable keys, said keypad including a generally flat intermediate segment having a lower edge and an upper edge, a first angled segment projecting generally upwardly from said upper edge of said intermediate segment and forming a first obtuse angle with said intermediate segment, and a second angled segment projecting generally upwardly from said lower edge of said intermediate segment, said second angled segment forming a second obtuse angle with said intermediate segment and positioned generally opposably to said first angled segment; and a first data display screen for viewing data resulting from the keypad and computing operations of the portable computer, said first data display screen being connected to said base member.
Claim 4
Dependent Claim
143 words
A portable computer having a data processor, comprising: a base member containing the data processor; a first keypad mounted to said base member, said first keypad having a multiplicity of manually actuable keys, said keypad including a generally flat intermediate segment having a lower edge and an upper edge, a first angled segment projecting generally upwardly from said upper edge of said intermediate segment and forming a first obtuse angle with said intermediate segment, and a second angled segment projecting generally upwardly from said lower edge of said intermediate segment, said second angled segment forming a second obtuse angle with said intermediate segment and positioned generally opposably to said first angled segment; and a first data display screen for viewing data resulting from the keypad and computing operations of the portable computer, said first data display screen being connected to said base member.
Claim 5
Dependent Claim
59 words
A portable computer as described in claim 2, wherein: said base member includes a top side and a bottom side, a left side and a right side; said first keypad projects outwardly from said top side of said base member; and said first data display screen is mounted on and integral with said bottom side of said base member.
Claim 6
Dependent Claim
67 words
A portable computer as described in claim 3, further comprising: a first indent in said right side of said base member; and a second indent in said left side of said base member, whereby a user of the portable computer grasp the portable computer by placing the fingertips of their thumb and little finger in said first and second indents for grasping the portable computer during use.
Claim 7
Dependent Claim
215 words
A portable computer having a data processor, comprising: a base member containing the data processor; a first keypad mounted to said base member, said first keypad having a multiplicity of manually actuable keys, said keypad including an intermediate segment, a first angled segment projecting generally upwardly from and forming a first obtuse angle with said intermediate segment, and a second angled segment projecting generally upwardly from an opposing portion of said intermediate segment, said second angled segment forming a second obtuse angle with said intermediate segment; a first data display screen for viewing data resulting from the computing operations of the portable computer, said first data display screen being connected to said base member; a second keypad mounted to said base member, said second keypad having a multiplicity of manually actuable keys, said second keypad including an intermediate segment, a first angled segment projecting generally upwardly from and forming a first obtuse angle with said intermediate segment, and a second angled segment projecting generally upwardly from an opposing portion of said intermediate segment, said second angled segment forming a second obtuse angle with said intermediate segment; and a second data display screen for viewing data resulting from the computing operations of the portable computer, said second data display screen being connected to said base member.
Claim 8
Dependent Claim
215 words
A portable computer having a data processor, comprising: a base member containing the data processor; a first keypad mounted to said base member, said first keypad having a multiplicity of manually actuable keys, said keypad including an intermediate segment, a first angled segment projecting generally upwardly from and forming a first obtuse angle with said intermediate segment, and a second angled segment projecting generally upwardly from an opposing portion of said intermediate segment, said second angled segment forming a second obtuse angle with said intermediate segment; a first data display screen for viewing data resulting from the computing operations of the portable computer, said first data display screen being connected to said base member; a second keypad mounted to said base member, said second keypad having a multiplicity of manually actuable keys, said second keypad including an intermediate segment, a first angled segment projecting generally upwardly from and forming a first obtuse angle with said intermediate segment, and a second angled segment projecting generally upwardly from an opposing portion of said intermediate segment, said second angled segment forming a second obtuse angle with said intermediate segment; and a second data display screen for viewing data resulting from the computing operations of the portable computer, said second data display screen being connected to said base member.
Claim 9
Dependent Claim
23 words
A portable computer as described in claim 5, wherein: said second data display screen is mounted on and integral with said base member.
Claim 10
Dependent Claim
33 words
A portable computer as described in claim 6, further comprising: a cover member hingedly attached to said base member, said first data display screen being mounted on and integral with said cover member.
Claim 11
Dependent Claim
47 words
A portable computer as described in claim 7, wherein: said base member includes a left side and a right side; said first keypad projects outwardly from said right side of said base member; and said second keypad projects outwardly from said left side of said base member.
Claim 12
Dependent Claim
47 words
A portable computer as described in claim 5, wherein: said base member includes a left side and a right side; said first keypad projects outwardly from said first side of said base member; and said second keypad projects outwardly from said second side of said base member.
Claim 13
Dependent Claim
33 words
A portable computer as described in claim 9, further comprising: a cover member hingedly attached to said base member, said first data display screen being mounted on and integral with said cover member.
Claim 14
Dependent Claim
23 words
A portable computer as described in claim 10, wherein: said second data display screen is mounted on and integral with said base member.
Claim 15
Dependent Claim
157 words
A portable computer having a data processor, comprising: a base member containing the data processor; a first keypad mounted to said base member, said first keypad having a multiplicity of manually actuable keys, said keypad including an intermediate segment, a first angled segment projecting generally upwardly from and forming a first obtuse angle with said intermediate segment, and a second angled segment projecting generally upwardly from an opposing portion of said intermediate segment, said second angled segment forming a second obtuse angle with said intermediate segment; a first data display screen for viewing data resulting from the computing operations of the portable computer, said first data display screen being connected to said base member; said base member includes a top side and a bottom side; said first keypad projects outwardly from said top side of said base member; and said first data display screen is mounted on and integral with said top side of said base member.
Claim 16
Dependent Claim
157 words
A portable computer having a data processor, comprising: a base member containing the data processor; a first keypad mounted to said base member, said first keypad having a multiplicity of manually actuable keys, said keypad including an intermediate segment, a first angled segment projecting generally upwardly from and forming a first obtuse angle with said intermediate segment, and a second angled segment projecting generally upwardly from an opposing portion of said intermediate segment, said second angled segment forming a second obtuse angle with said intermediate segment; a first data display screen for viewing data resulting from the computing operations of the portable computer, said first data display screen being connected to said base member; said base member includes a top side and a bottom side; said first keypad projects outwardly from said top side of said base member; and said first data display screen is mounted on and integral with said top side of said base member.
Claim 17
Dependent Claim
27 words
A portable computer as described in claim 12, further comprising: a second data display screen mounted on and integral with said bottom side of said base member.
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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) | 1998-02-06 | 1998-08-08 | 1999-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-02-06 | 2002-08-08 | 2003-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-02-06 | 2006-08-08 | 2007-02-07 | $7700.00 | Window Closed / Lapsed |