Patent US4926010A successfully refreshed from Google Patents.
US4926010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact keyboard with entry of keyed and graphic information
Assignee: Verizon Patent and Licensing Inc
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Filing: 1989-06-30
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Granted: 1990-05-15
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Expires: 2009-06-30
Abstract
Abstract A keyboard is adapted for entry of graphical information into a computer by providing the keyboard with an extended, two dimensional member situated in overlapping relationship with at least one of the keys of the keyboard and which is adapted to generate for storage and display by the computer a signal designating a position on the member.
Inventors
- 👤 Howard M. Citron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:40
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/02; G06F3/0202; G06F3/0219; G06F3/021; G06F3/0213; G06F3/03; G06F3/041; G06F3/046
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
92 words
Apparatus for use in generating signals for inputting into a computer comprising: a keyboard including: first means comprising one or more actuatable keys for generating signals corresponding to each key which is actuated; an extended two dimensional member positioned or positionable such that said extended two dimensional member and at least one or more of said keys are in overlapping relationship, said member capable of generating a signal designating a position on said member; and said first means generating said signals corresponding to said keys independently of said extended two dimensional member.
Claim 2
Dependent Claim
92 words
Apparatus for use in generating signals for inputting into a computer comprising: a keyboard including: first means comprising one or more actuatable keys for generating signals corresponding to each key which is actuated; an extended two dimensional member positioned or positionable such that said extended two dimensional member and at least one or more of said keys are in overlapping relationship, said member capable of generating a signal designating a position on said member; and said first means generating said signals corresponding to said keys independently of said extended two dimensional member.
Claim 3
Dependent Claim
14 words
Apparatus in accordance with claim 1 wherein: said member comprises a grid of wires.
Claim 4
Dependent Claim
16 words
Apparatus in accordance with claim 1 wherein: said member is positioned or positionable below said keys.
Claim 5
Dependent Claim
28 words
Apparatus in accordance with claim 1 further comprising: a writing surface disposed above said keys and positionable in overlapping relationship to said at least one or more keys.
Claim 6
Dependent Claim
28 words
Apparatus in accordance with claim 1 wherein: said member is disposed above said keys and is positionable in overlapping relationship to said at least one or more keys.
Claim 7
Dependent Claim
20 words
Apparatus in accordance with claim 1 wherein: said member is capable of coupling electromagnetic energy to and from said member.
Claim 8
Dependent Claim
14 words
Apparatus in accordance with claim 6 wherein said member comprises a grid of wires.
Claim 9
Dependent Claim
41 words
Apparatus in accordance with claim 6 wherein: said member is positioned below said at least one or more keys and such that it is capable of coupling electromagnetic energy to and from said member from positions proximate and above said keys.
Claim 10
Dependent Claim
53 words
Apparatus in accordance with claim 8 further comprising: a further member having a coil therein for generating an electromagnetic field, said further member being positionable above and in proximate relationship to said at least one or more keys for coupling an electromagnetic field to said member for designating said position on said member.
Claim 11
Dependent Claim
25 words
Apparatus in accordance with claim 1 wherein: said keyboard further comprises means for converting said signal to an input signal for entry into said computer.
Claim 12
Dependent Claim
30 words
Apparatus in accordance with claim 10 wherein: said computer has a storage and a display for storing said input signal and displaying the designated position indicated by said input signal.
Claim 13
Dependent Claim
31 words
Apparatus in accordance with claim 1 further comprising: a further member for placement in proximate relationship to said member at said designated position for causing said member to generate said signal.
References Cited (Backward Citations)
US4725694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-05-14 | 1993-11-13 | 1994-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-14 | 1997-11-13 | 1998-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-14 | 2001-11-13 | 2002-05-15 | $7700.00 | Window Closed / Lapsed |