Patent · US Expired

Temperature measurement apparatus

US5246292A · kind A · utility

12Cited by
33References
9Claims
0Family size

Inventors

Key dates

Filing dateMay 28, 1992
Grant dateSep 21, 1993
Priority date
Expiry dateMay 28, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2010/0019
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Temperature measurement apparatus comprising an IR temperature change detector, a chopper for intermittently exposing the detector to an object whose temperature is to be measured, and means for providing an output indication representing the temperature of the object in response to the output of the detector, wherein the chopper is driven by a quartz timepiece movement.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.