Optical device and driving control method of optical device
US11307381B2 · kind B2 · utility
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2References
13Claims
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Key dates
| Filing date | Jun 28, 2017 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Jan 7, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2205/0046
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided is an optical device including an optics including at least two moving groups that are movable along an optical axis and share portions of driving regions; a plurality of actuators configured to move the at least two moving groups along the optical axis, respectively; and a control unit configured to control the positions of the at least two moving groups by operating the actuators, wherein the control unit moves the at least two moving groups independently, such that the position coordinates of the at least two moving groups in one integrated coordinates system do not coincide with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.