Device and method for determining a cap arrangement indicating color discrimination
US8376956B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2008 |
| Grant date | Feb 19, 2013 |
| Priority date | — |
| Expiry date | Oct 11, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/0091
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A detector located on a positioning tray has a plurality of colored caps placed by a subject being tested. Each cap has a unique resonant circuit which is selectively energized to indicate cap position to the detector so that color discrimination of the subject may be determined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.