Reflective electro-luminescent measurement adapter for quality control of baked and fried goods
US5157254A · kind A · utility
1Cited by
5References
3Claims
0Family size
Inventor
Key dates
| Filing date | Feb 19, 1991 |
| Grant date | Oct 20, 1992 |
| Priority date | — |
| Expiry date | Feb 19, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/474
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a method and a device for measuring vividness by means of the light reflected from the surface of baked and fried goods. The adapter establishes a controlled environment for measuring the light reflected from such surfaces providing and interconnecting a controlled light source, a light sensor, providing a precise angle and precise distances between the light source and the surface and between the surface and the sensor. The measurements obtained by use of the invention define goods which fall within an acceptable range of vividness as it pertains to a consumer preferences.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.