Device for determining the optical power of lenses and measurement method
US11300479B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 28, 2018 |
| Grant date | Apr 12, 2022 |
| Priority date | — |
| Expiry date | Jun 28, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M11/0257
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for measuring the optical power of an optical test system includes an optical-object-generating assembly, a support for the optical test system, a digital image detector, and a deflector assembly. The deflector assembly is intended to generate a lateral movement in respect of the initial optical image, thereby producing a shifted optical image and a reference optical image. The digital image detector captures the shifted optical image and the reference optical image in at least one digital image containing data relating to the lateral movement. The device also includes a processing component to calculate the optical power of the optical test system from the data relating to the lateral movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.