Device and method of measuring animal urine
US11397152B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2019 |
| Grant date | Jul 26, 2022 |
| Priority date | — |
| Expiry date | May 26, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/7793
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods of measuring attributes of animal urine, using a test pad comprising multiple test patches and urine detection patches in a BAYER pattern is described. The pad comprises different test patches, each surrounded by urine detection patches. When a camera, electronics and software automatically detect fresh urine from a color change of a detection patch, nearby test patches are read with a color camera, after a specific time delay, and compared to color reference spots. Multiple layers and isolation zones in the test pad allow urine to enter the test and detection patches, while keeping urine puddles from spreading. Once used, detection and test patches are not used again. An array of many detection and test patches allows the test pad to be used for multiple urine samples in one vivarium cage before replacing. Embodiments use a mix of IR and white light, and IR cameras and color cameras.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.