Liquid crystal thermometer
US6257759A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1999 |
| Grant date | Jul 10, 2001 |
| Priority date | — |
| Expiry date | Jun 25, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01K13/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A self-updating temperature thermometer is disclosed that is capable of generating a real-time signal of core body temperature. The thermometer comprises a double-sided flexible substrate, having a first side and a second side. The first side has a plurality of cavities, and a liquid crystal composition in these cavities to define a plurality of sensor dots. A cover layer is disposed on the first side, and a pressure-sensitive adhesive is disposed on the second side of the substrate. The sensor surface area to substrate thickness is maximized using the structural features of this invention, thereby providing a thermometer exhibiting unexpectedly good results in that it is capable of generating a continuous temperature measurement that is automatically updated with changes in body temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.