Object detection to activiate pressure sensors
AssigneeHewlett-Packard Development Company, L.P.
InventorsDaniel Polanco, Matthew G. Lopez, William Meyer
Life of this patent
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Abstract
An example system comprising a pressure sensor array, a proximity sensor comprising circuitry to sense an object approaching the pressure sensor array based on a change in a resonance frequency of the proximity sensor, and a controller to receive from the proximity sensor the sensed change in the resonance frequency and designate the pressure sensor array as active responsive to the sensed resonance frequency being below a threshold or inactive responsive to the sensed resonance frequency being above the threshold, wherein a data transmission rate of the active pressure sensor array is greater than a data transmission rate of the inactive pressure sensor array.
Claims15
A system comprising:
- a pressure sensor array;
- a proximity sensor comprising circuitry to sense an object approaching the pressure sensor array based on a change in a resonance frequency of the proximity sensor;
- and
- a controller to:
- receive from the proximity sensor the sensed change in the resonance frequency;
- and
- designate the pressure sensor array as active responsive to the sensed resonance frequency being below a threshold or inactive responsive to the sensed resonance frequency being above the threshold, wherein, if the pressure sensor array is designated as active, a data transmission rate of the pressure sensor array is greater than the data transmission rate of the pressure sensor array if the pressure sensor array is designated as inactive.
A pressure sensing device comprising;
- a plurality of pressure sensor arrays;
- a plurality of proximity sensors, wherein:
- each proximity sensor of the plurality of proximity sensors includes a capacitor that is to resonate;
- and
- each proximity sensor comprises circuitry to sense an object approaching the proximity sensor by sensing a change in a resonance frequency of the proximity sensor caused by the approaching object;
- and
- a controller to:
- receive proximity information from the proximity sensor that detects the object approaching the proximity sensor;
- designate which regions of pressure sensors of pressure sensor arrays will be active regions and which regions of pressure sensor arrays will be inactive regions, wherein a data transmission rate of the active pressure sensor arrays is greater than a data transmission rate of the inactive pressure sensor arrays;
- and
- receive information from the active regions.
A non-transitory computer-readable medium comprising instructions executable by a processor to:
- detect a presence of an object approaching a pressure sensing device;
- determine, based on a magnitude of change in a resonance frequency of a proximity sensor, a pressure sensor array that the object will contact, the pressure sensor array included in a plurality of pressure sensor arrays of the pressure sensing device;
- designate the determined pressure sensor array as active;
- assign the other of the pressure sensor arrays included in the plurality of pressure sensor arrays as inactive;
- and
- ascertain an amount of force exerted by the object on the pressure sensing device by reading data from the active pressure sensor array.
Dependencies are inferred from the claim text.