Linearized conductive surface
First Claim
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1. An article comprising:
- a transparent conductive surface;
two or more polygonal parallel rows of conductive segments disposed on the conductive surface, each edge of each row comprising one or more middle conductive segments disposed between two end conductive segments;
wherein for each edge of each row, the middle segments are substantially equal in length, and the segments are separated by gaps of substantially equal length;
wherein for each edge, the length of the middle segments in an inner row along the edge is smaller than the length of the middle segments in an outer row along the same edge; and
wherein at least one segment in a row is connected via one or more conductive bars to a segment in an adjacent row.
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Abstract
Electrode pattern disposed on a conductive surface is disclosed. The electrode pattern includes a plurality of conductive segments. The conductive segments are located along the edges of two or more concentric parallel polygons. Each edge of each polygon has one or more middle segments disposed between two end segments. For each edge of each polygon the middle segments are equal in length, and the segments are equally spaced. A touch sensor is disclosed that includes such an electrode pattern.
50 Citations
55 Claims
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1. An article comprising:
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a transparent conductive surface;
two or more polygonal parallel rows of conductive segments disposed on the conductive surface, each edge of each row comprising one or more middle conductive segments disposed between two end conductive segments;
wherein for each edge of each row, the middle segments are substantially equal in length, and the segments are separated by gaps of substantially equal length;
wherein for each edge, the length of the middle segments in an inner row along the edge is smaller than the length of the middle segments in an outer row along the same edge; and
wherein at least one segment in a row is connected via one or more conductive bars to a segment in an adjacent row. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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46. An article comprising
a transparent conductive surface having a polygonal perimeter; - and
two or more rows of conductive segments disposed along and inside the perimeter of the transparent conductive surface, each row having one edge for each edge of the polygon, each edge of each row comprising two end segments and one or more middle segments, the middle segments of each edge of each row being substantially equal in length and all segments of each edge of each row being substantially equal in spacing, the length of the middle conductive segments along each edge being progressively smaller moving from outer to inner rows, the conductive segments being positioned so that gaps between conductive segments in one row do not overlap gaps between conductive segments in an adjacent row, and at least one segment in a row connected via one or more conductive bars to a segment in an adjacent row.
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47. A touch sensor comprising
a conductive surface; -
two or more concentric parallel polygonal rows of discrete conductive segments disposed on the conductive surface;
each edge of each row having one or more middle conductive segments disposed between two end conductive segments;
wherein for each edge of each row the middle conductive segments are substantially of equal length; and
the gaps between the conductive segments are substantially of equal length.
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48. An optical system for displaying information to a viewer, the optical system comprising:
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a display;
a touch sensor comprising a conductive surface; and
two or more polygonal parallel rows of conductive segments disposed on the transparent conductive surface, each edge of each row comprising two end segments and one or more middle segments disposed between the end segments, the middle segments of each edge of each row being substantially equal in length, all segments of each edge of each row being substantially equal in spacing, the length of the middle conductive segments along each edge being progressively smaller moving from outer to inner rows, the conductive segments being positioned so that gaps between conductive segments in one row do not overlap gaps between conductive segments in an adjacent row, and at least one segment in a row connected via one or more conductive connecting bars to a segment in an adjacent row. - View Dependent Claims (49, 50, 51, 52, 53, 54)
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55. An article comprising:
a plurality of conductive segments in contact with a conductive surface, the conductive segments positioned along the edges of two or more concentric parallel polygons, each edge of each polygon having one or more middle segments disposed between two end segments, wherein for each edge of each polygon the middle segments are substantially equal in length, and the segments are substantially equally spaced.
Specification
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Current Assignee3M Innovative Properties Company (3M Company)
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Original Assignee3M Innovative Properties Company (3M Company)
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InventorsBulat, B?uuml;lent, Geaghan, Bernard O., Keefer, Kenneth J.
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current178/18.05
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CPC Class CodesG06F 2203/04113 Peripheral electrode patter...G06F 3/045 using resistive elements, e...
