Thermal pattern sensor
US10378961B2 · kind B2 · utility
1Cited by
6References
14Claims
0Family size
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Key dates
| Filing date | Nov 28, 2016 |
| Grant date | Aug 13, 2019 |
| Priority date | — |
| Expiry date | Nov 28, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J2005/345
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A thermal pattern sensor comprising a plurality of pixels, each pixel comprising at least one pyroelectric capacitor formed by at least one portion of pyroelectric material arranged between a lower electrode and an upper electrode, in which one of the lower and upper electrodes corresponds to an electrode for reading the pixel and in which a heating element that can heat the portion of pyroelectric material of the pyroelectric capacitor of the pixel by Joule effect during a measurement of the thermal pattern by the pyroelectric capacitor of the pixel is formed by the other of the lower and upper electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.