Systems and methods for generating a compressive pre-load in a resistive touch center through the lamination of differently curved surfaces. The system comprising a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising: determining a first curvature of a rigid back layer comprising a grouping of sensor electrodes; determining a second curvature of a flexible surface layer; and as a function of the first curvature and the second curvature facilitating lamination of the flexible surface layer to the rigid back layer.

Systems and methods for generating a compressive pre-load in a resistive touch center through the lamination of differently curved surfaces. The system comprising a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising: determining a first curvature of a rigid back layer comprising a grouping of sensor electrodes; determining a second curvature of a flexible surface layer; and as a function of the first curvature and the second curvature facilitating lamination of the flexible surface layer to the rigid back layer.

A surface profile measuring instrument (1), and method, for measuring the surface profile of a substrate (13). The surface profile measuring instrument (1) comprises an electromagnetic probe (8), the electromagnetic probe (8) comprising a probe tip operable to be brought into proximity with a surface of a substrate (13) to be measured, a drive unit (2) operable to generate a low frequency magnetic field penetrating the surface of the substrate (13), a pick up unit (3) operable to detect the strength of the magnetic field and output a magnetic field strength reading and a computation unit (4) operable to determine a surface profile measurement based on the magnetic field strength reading.

A surface profile measuring instrument (1), and method, for measuring the surface profile of a substrate (13). The surface profile measuring instrument (1) comprises an electromagnetic probe (8), the electromagnetic probe (8) comprising a probe tip operable to be brought into proximity with a surface of a substrate (13) to be measured, a drive unit (2) operable to generate a low frequency magnetic field penetrating the surface of the substrate (13), a pick up unit (3) operable to detect the strength of the magnetic field and output a magnetic field strength reading and a computation unit (4) operable to determine a surface profile measurement based on the magnetic field strength reading.

A plug gauge includes a housing, defining an internal volume, first openings, and second openings. The plug gauge includes first contact elements, each at least partially received in a respective one of the first openings. The plug gauge includes a first plunger in the internal volume and movable relative to the housing. The first plunger is biased to urge the first contact elements radially outward through the first openings. The plug gauge includes a first sensor sensing movement of the first plunger. The plug gauge includes second contact elements, each at least partially received in a respective one of the second openings. The plug gauge includes a second plunger in the internal volume and movable relative to the housing. The second plunger is biased to urge the second contact elements radially outward through the second openings. The plug gauge includes a second sensor sensing movement of the second plunger.

Aspects of the subject disclosure may include, for example, obtaining a first plurality of circumference measurements, each of the first plurality of circumference measurements corresponding to a first circumference around a limb of a person at a respective one of a plurality of locations of the limb, each of the first plurality of circumference measurements being obtained from a respective one of a plurality of elastic measurement elements that is positioned at a respective one of the locations; determining, based upon the first plurality of circumference measurements, a first geometric profile along a length of the limb; and outputting data representing the first geometric profile. Other embodiments are disclosed.

Aspects of the subject disclosure may include, for example, obtaining a first plurality of circumference measurements, each of the first plurality of circumference measurements corresponding to a first circumference around a limb of a person at a respective one of a plurality of locations of the limb, each of the first plurality of circumference measurements being obtained from a respective one of a plurality of elastic measurement elements that is positioned at a respective one of the locations; determining, based upon the first plurality of circumference measurements, a first geometric profile along a length of the limb; and outputting data representing the first geometric profile. Other embodiments are disclosed.

The present disclosure discloses is a display device including a flexible substrate having an active area, a bezel area enclosing the active area, and a bending area defined in at least a part of the active area and the bezel area; and a plurality of bending sensing patterns disposed in the bending area, in which the bending area includes a plurality of sub bending areas and the plurality of bending sensing patterns is disposed in different areas of the plurality of sub bending areas, so that the bending degree of each sub bending area included in the bending area can be independently sensed.

The present disclosure discloses is a display device including a flexible substrate having an active area, a bezel area enclosing the active area, and a bending area defined in at least a part of the active area and the bezel area; and a plurality of bending sensing patterns disposed in the bending area, in which the bending area includes a plurality of sub bending areas and the plurality of bending sensing patterns is disposed in different areas of the plurality of sub bending areas, so that the bending degree of each sub bending area included in the bending area can be independently sensed.

A capacitive image sensing device and a capacitive image sensing method are provided. The capacitive image sensing device includes a sensor array, a first charge amplifier, a second charge amplifier, a differential amplifier and a first switching circuit. The sensor array includes a plurality of sensing electrodes and a first reference sensing electrode. An input terminal of the first charge amplifier is coupled to one of the sensing electrodes. A first input terminal of the differential amplifier is selectively coupled to an output terminal of the first charge amplifier. A second input terminal of the differential amplifier is coupled to an output terminal of the second charge amplifier. The first switching circuit is configured to selectively electrically connect and disconnect the first reference sensing electrode and the input terminal of the second charge amplifier.