Interchangeable lens, method of operating interchangeable lens, program, lens system, and camera system
US10962863B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2018 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Dec 26, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2206/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A lens system according to a first aspect of the present invention includes an interchangeable lens, and an accessory which is mounted between the interchangeable lens and a camera body. The interchangeable lens is mountable to the camera body via the accessory and includes a lens-side communication unit that communicates with the camera body and the accessory, an accessory information acquisition unit that communicates with the accessory to acquire individual identification information of the accessory, an interchangeable lens information storage unit that stores individual identification information of the interchangeable lens, and an identification information generation unit that generates combination identification information which is information unique to a combination of the interchangeable lens and the accessory on the basis of the acquired individual identification information of the accessory and the stored individual identification information of the interchangeable lens, and the lens-side communication unit transmits the generated combination identification information to the camera body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.