Hand-held digital temperature measuring instrument
US4634294A · kind A · utility
162Cited by
23References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1981 |
| Grant date | Jan 6, 1987 |
| Priority date | — |
| Expiry date | May 12, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J2005/526
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Hand-held instrument for measuring the temperature of a target without contact with the target. The instrument utilizes a microprocessor and a digital display to calculate and indicate different temperature functions. Compensation is included for the effects of emissivity and ambient temperature changes which otherwise could result in inaccurate readings. Temperature trend direction liquid crystal arrow(s) actuated by the microprocessor are included in the display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.