Nondestructive measurement apparatus
US11099127B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2017 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | Jan 20, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/0221
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A nondestructive measurement apparatus includes a casing including a grip portion capable of being held in hand and a measurement portion having a ring shaped abutting portion to be abutted to a measurement target such as fruit or vegetable; a light source group including a plurality of light sources arranged to be separated in a circumferential direction in an interior thereof; a ring lens arranged in a ring shape smaller than the abutting portion at an inner portion of the abutting portion, for emitting lights from the light source group to an external of the casing in a ring shape; and a light guide member having one end surface exposed to an inner side of the ring lens and another end surface positioned in the interior of the casing, for emitting lights incident from the one end surface to the external from the another end surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.