US5140107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digitizer screen and method of making
Assignee: NCR Voyix Corp
•
Filing: 1991-07-02
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Granted: 1992-08-18
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Expires: 2011-07-02
Abstract
Abstract A digitizer screen and method of making. A coated conductive plastic film is perforated and is used in conjunction with a glass or other panel to provide a screen which may be used in an electronic digitizer for converting the position and movement of a stylus or other device on the screen to electrical signals representative of such positioning and movement. The perforated coated conductive plastic film may be laminated to the glass panel to form an integrated structure which does not require the use of masking and etching or similar processes to produce a desired apertured matrix pattern in the plastic film. Various arrangements of the plastic film are disclosed which facilitate the connection of the apertured portion of the plastic film to associated electronic components.
Inventors
- 👤 John F. Crooks
- 👤 Kazem Memarzadeh
- 👤 Robert L. Protheroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:27
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/041; G06F3/044; G06F3/0444; G06F3/045
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
64 words
A process for fabricating a screen for use in an electronic digitizer, comprising the following steps: (a) selecting a sheet of rigid material; (b) selecting a sheet of conductive coated plastic material; (c) perforating said sheet of plastic material to provide a plurality of apertures in a matrix pattern; and (d) laminating said perforated sheet of plastic material to said sheet of rigid material.
Claim 2
Dependent Claim
64 words
A process for fabricating a screen for use in an electronic digitizer, comprising the following steps: (a) selecting a sheet of rigid material; (b) selecting a sheet of conductive coated plastic material; (c) perforating said sheet of plastic material to provide a plurality of apertures in a matrix pattern; and (d) laminating said perforated sheet of plastic material to said sheet of rigid material.
Claim 3
Dependent Claim
13 words
The process of claim 1, in which said apertures are rectangular in shape.
Claim 4
Dependent Claim
20 words
The process of claim 2, in which said sheets of plastic material and rigid material are of a rectangular configuration.
Claim 5
Dependent Claim
13 words
The process of claim 1, in which said apertures are square in shape.
Claim 6
Dependent Claim
20 words
The process of claim 4, in which said sheets of plastic material and rigid material are of a square configuration.
Claim 7
Dependent Claim
20 words
The process of claim 1, in which said sheet of conductive coated plastic material is made from Altair 0200DX material.
Claim 8
Dependent Claim
19 words
The process of claim 1, in which said sheet of conductive coated plastic material is made from ITO-300 material.
Claim 9
Dependent Claim
14 words
The process of claim 1, in which said sheet of rigid material is transparent.
Claim 10
Dependent Claim
14 words
The process of claim 1, in which said sheet of rigid material is glass.
Claim 11
Dependent Claim
36 words
As an article of manufacture, a conductive coated plastic film having a plurality of spaced punched-out apertures therein laminated to a rigid material which is of similar shape and size to the conductive coated plastic film.
Claim 12
Dependent Claim
36 words
As an article of manufacture, a conductive coated plastic film having a plurality of spaced punched-out apertures therein laminated to a rigid material which is of similar shape and size to the conductive coated plastic film.
Claim 13
Dependent Claim
13 words
The article of claim 10, in which the apertures are of rectangular configuration.
Claim 14
Dependent Claim
13 words
The article of claim 10, in which the apertures are of square configuration.
Claim 15
Dependent Claim
14 words
The article of claim 11, in which the apertures are in a matrix arrangement.
Claim 16
Dependent Claim
14 words
The article of claim 12, in which the apertures are in a matrix arrangement.
Claim 17
Dependent Claim
16 words
The article of claim 10, in which the plastic film is made of Altair 0200DX material.
Claim 18
Dependent Claim
15 words
The article of claim 10, in which the plastic film is made of ITO-300 material.
Claim 19
Dependent Claim
14 words
The article of claim 11, in which the rigid material is of rectangular configuration.
Claim 20
Dependent Claim
14 words
The article of claim 12, in which the rigid material is of square configuration.
Claim 21
Dependent Claim
12 words
The article of claim 10, in which the rigid material is transparent.
Claim 22
Dependent Claim
62 words
A screen for an electronic digitizer, comprising: a rigid element on which a stylus or similar device may be moved to operate the digitizer; and a sheet of conductive coated plastic film having a plurality of apertures in a matrix arrangement therein laminated to the rigid element and having a portion extending beyond the element, on which portion electronic components are mounted.
Claim 23
Dependent Claim
62 words
A screen for an electronic digitizer, comprising: a rigid element on which a stylus or similar device may be moved to operate the digitizer; and a sheet of conductive coated plastic film having a plurality of apertures in a matrix arrangement therein laminated to the rigid element and having a portion extending beyond the element, on which portion electronic components are mounted.
Claim 24
Dependent Claim
30 words
The screen of claim 20, in which the portion of the plastic film extending beyond the rigid element and on which electronic components are mounted is bent under the screen.
Claim 25
Dependent Claim
12 words
The screen of claim 20, in which the rigid element is transparent.
Claim 26
Dependent Claim
13 words
The screen of claim 20, in which the apertures are rectangular in shape.
Claim 27
Dependent Claim
13 words
The screen of claim 20, in which the apertures are square in shape.
Claim 28
Dependent Claim
70 words
A screen for an electronic digitizer, comprising: a rigid element on which a stylus or similar device may be moved to operate the digitizer; and a sheet of conductive coated plastic film having a plurality of apertures in a matrix arrangement therein laminated to the rigid element and having a portion extending beyond the element and configured as a long tab having conductive lines positioned thereon to form a connector.
Claim 29
Dependent Claim
70 words
A screen for an electronic digitizer, comprising: a rigid element on which a stylus or similar device may be moved to operate the digitizer; and a sheet of conductive coated plastic film having a plurality of apertures in a matrix arrangement therein laminated to the rigid element and having a portion extending beyond the element and configured as a long tab having conductive lines positioned thereon to form a connector.
Claim 30
Dependent Claim
12 words
The screen of claim 25, in which the rigid element is transparent.
Claim 31
Dependent Claim
13 words
The screen of claim 25, in which the apertures are rectangular in shape.
Claim 32
Dependent Claim
13 words
The screen of claim 25, in which the apertures are square in shape.
Claim 33
Dependent Claim
99 words
A digitizer comprising: a housing for the digitizer; a rigid element mounted in the housing and having an outer surface on which a stylus or similar device may be moved to operate the digitizer; a sheet of conductive coated plastic film having a plurality of apertures in a matrix arrangement therein positioned adjacent to the rigid element in operative relation thereto; means retaining said plastic film in operative relation to said rigid element; and means for determining the position of the stylus with respect to the rigid element by measuring electrical values in two dimensions across said plastic film.
Claim 34
Dependent Claim
99 words
A digitizer comprising: a housing for the digitizer; a rigid element mounted in the housing and having an outer surface on which a stylus or similar device may be moved to operate the digitizer; a sheet of conductive coated plastic film having a plurality of apertures in a matrix arrangement therein positioned adjacent to the rigid element in operative relation thereto; means retaining said plastic film in operative relation to said rigid element; and means for determining the position of the stylus with respect to the rigid element by measuring electrical values in two dimensions across said plastic film.
Claim 35
Dependent Claim
17 words
The digitizer of claim 29, in which the apertures in the plastic film are rectangular in shape.
Claim 36
Dependent Claim
17 words
The digitizer of claim 29, in which the apertures in the plastic film are square in shape.
Claim 37
Dependent Claim
12 words
The digitizer of claim 29, in which the rigid element is transparent.
Claim 38
Dependent Claim
13 words
The digitizer of claim 32, in which the plastic film is also transparent.
Claim 39
Dependent Claim
25 words
The digitizer of claim 32, also including a display device mounted in said housing beneath said rigid element and said plastic film and visible therethrough.
Claim 40
Dependent Claim
34 words
The digitizer of claim 29, in which the plastic film has a portion extending beyond the rigid element and folded thereunder, on which the means for determining the position of the stylus is located.
Claim 41
Dependent Claim
45 words
The digitizer of claim 29, in which the plastic film has a portion extending beyond the rigid element and is configured as a long tab having conductive lines positioned thereon, said extending portion being coupled to said means for determining the position of the stylus.
Claim 42
Dependent Claim
20 words
The digitizer of claim 29, in which the sheet of conductive coated plastic film is laminated to the rigid element.
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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) | 1995-08-18 | 1996-02-17 | 1996-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-08-18 | 2000-02-17 | 2000-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-08-18 | 2004-02-17 | 2004-08-18 | $7700.00 | Window Closed / Lapsed |