Indicating device with light-pickup configuration
US9933287B2 · kind B2 · utility
1Cited by
3References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 24, 2016 |
| Grant date | Apr 3, 2018 |
| Priority date | — |
| Expiry date | Jul 23, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D13/265
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pointer is rotational relative to the dial plate. The pointer includes a pointer shaft, which is non-opaque to conduct light therethrough. A driver unit includes a drive shaft coaxial with the pointer shaft. A light source emits light. A hub interconnects the pointer shaft with the drive shaft. The hub includes a light pickup, which is non-opaque to receive light from the light source and to conduct the light into the pointer shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.