High resolution pressure sensing
AssigneeTechnion Research & Development Foundation Limited
InventorsHossam HAICK, Meital SEGEV-BAR, Gady KONVALINA
Life of this patent
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Abstract
A pressure sensing device that may include a first and second sensing elements that comprise one or more piezoresistive materials; wherein the first sensing element has a first gradient; wherein the second sensing element has a second gradient; wherein the second gradient differs from the first gradient; wherein the first and second gradients facilitate a determination of a load of and a location of an event that involves applying pressure on the first and second sensing element.
Claims40
A pressure sensing device, comprising:
- a first and second sensing elements that comprise one or more piezoresistive materials;
- wherein the first sensing element has a first gradient;
- wherein the second sensing element has a second gradient;
- wherein the second gradient differs from the first gradient;
- wherein a sensing circuit that is coupled to the first and second sensing elements, is arranged to sense at least one out of resistance and conductance of the first and second sensing elements and to determine at least one out of a location and a load of an event that involves applying pressure on the first and second sensing elements.
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A pressure sensing device, comprising:
- a sensing element array that comprises multiple sensing elements that comprise one or more piezoresistive materials;
- wherein the sensing element array is characterized by a sensing array given property function that maps values of a given property of the multiple sensing elements to at least one out of location and a load of an event that involves applying pressure on at least one sensing elements of the sensing element array;
- wherein the location of the event is selected out of a group of locations that are associated with the sensing element array;
- and
- wherein each one of the multiple sensing elements is associated with a plurality of location of the group of locations.
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A pressure sensing device, comprising multiple pairs of sensing elements that are arranged in a serial manner to cover different regions of the sensing device;
- wherein each pair of sensing elements comprises a first and second sensing elements that comprise one or more piezoresistive materials;
- wherein the first sensing element has a first gradient;
- wherein the second sensing element has a second gradient;
- wherein the second gradient differs from the first gradient;
- wherein the first and second thickness gradients facilitate a determination of a load of and a location of an event that involves applying pressure on the first and second sensing elements.
52-59. (canceled)
Dependencies are inferred from the claim text.