Optical lens module and electronic device
US-2024361502-A1 · Oct 31, 2024 · US
Diaphragm device
US8934162B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8934162-B2 |
| Application number | US-201213419780-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 14, 2012 |
| Priority date | Nov 20, 2009 |
| Publication date | Jan 13, 2015 |
| Grant date | Jan 13, 2015 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A diaphragm device includes: a board including an opening; a step motor including a teeth portion, and rotatable and stoppable at an interval of a predetermined step angle; a transmitting member including a driven teeth portion meshing the teeth portion, and capable of rotating and stopping in response to a drive force of the teeth portion; a drive ring capable of rotating and stopping in response to a drive force of the transmitting member; and a blade capable of stopping at a receding position to recede from the opening or at an aperture position to cover at least a part of the opening, in response to a drive force of the drive ring.
First claim
Opening claim text (preview).
What is claimed is: 1. A diaphragm device comprising: a board including an opening; a step motor including a teeth portion, and rotatable and stoppable at an interval of a predetermined step angle; a transmitting member including a driven teeth portion meshing the teeth portion, and capable of rotating and stopping in response to a drive force of the teeth portion; a drive ring capable of rotating and stopping in response to a drive force of the transmitting member; and a…
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- G03B9/06Primary
Physics · mapped topic
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Frequently asked questions
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- What does patent US8934162B2 cover?
- A diaphragm device includes: a board including an opening; a step motor including a teeth portion, and rotatable and stoppable at an interval of a predetermined step angle; a transmitting member including a driven teeth portion meshing the teeth portion, and capable of rotating and stopping in response to a drive force of the teeth portion; a drive ring capable of rotating and stopping in respo…
- Who is the assignee on this patent?
- Kawamoto Hisashi, Seiko Precision Kk
- What technology area does this patent fall under?
- Primary CPC classification G03B9/06. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Jan 13 2015 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).