Image pickup apparatus, lens unit, and methods of controlling the same
US-2015381880-A1 · Dec 31, 2015 · US
Interchangeable lens
US9507121B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9507121-B2 |
| Application number | US-201414202297-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 10, 2014 |
| Priority date | Sep 12, 2011 |
| Publication date | Nov 29, 2016 |
| Grant date | Nov 29, 2016 |
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Abstract
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An interchangeable lens includes: an attachment section to which a camera body is to be attached; a photographic optical system that includes a plurality of driven members whose driven state changes; a driven information transmission unit that transmits a plurality of items of driven information to the camera body according to a clock signal outputted from the camera body, the plurality of items of driven information being related to positions of the plurality of driven members; and a type information transmission unit that transmits type information via a first transmission unit, the type information representing a type of driven information which can be transmitted by the driven information transmission unit; wherein the driven information transmission unit transmits the driven information for each of the plurality of driven members via a second transmission unit that is different from the first transmission unit.
First claim
Opening claim text (preview).
What is claimed is: 1. An interchangeable lens, comprising: an attachment section to which a camera body is to be attached; a photographic optical system that includes a plurality of driven members whose driven state is changeable; a driven information transmission unit that transmits a plurality of items of driven information to the camera body according to a clock signal outputted from the camera body, the plurality of items of driven information being related to positions o…
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- What does patent US9507121B2 cover?
- An interchangeable lens includes: an attachment section to which a camera body is to be attached; a photographic optical system that includes a plurality of driven members whose driven state changes; a driven information transmission unit that transmits a plurality of items of driven information to the camera body according to a clock signal outputted from the camera body, the plurality of item…
- Who is the assignee on this patent?
- Nikon Corp
- What technology area does this patent fall under?
- Primary CPC classification G03B17/14. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Nov 29 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).